研究業績

2022

Coprecipitation with samarium hydroxide using multitracer produced through neutron-induced fission of 235U toward chemical study of heavy elements: Y. Kasamatsu, M. Nagase, H. Ninomiya, E. Watanabe, Y. Shigekawa, N. Kondo, K. Takamiya, T. Ohtsuki, N. Shiohara, A. Shinohara; Appl. Radiat. Isot.179 110006/1-6 (2022)

Anion-exchange Experiment of Zr, Hf, and Th in HNO3 and Quantum Chemical Study on the Nitrate Complexes toward Chemical Research on Element 104, Rf: Eisuke Watanabe, Yoshitaka Kasamatsu, Takuya Yokokita, Sho Hayami, Katsuma Tonai, Hidemi Ninomiya, Narumi Kondo, Yudai Shigekawa, Hiromitsu Haba, Yasutaka Kitagawa, Masayoshi Nakano and Atsushi Shinohara; Solvent Extraction and Ion Exchange179 110006/1?6 (2022)

2021

Chemical Characterization of a Volatile Dubnium Compound, DbOCl3: Nadine Mariel Chiera, Tetsuya K. Sato, Robert Eichler, Tomohiro Tomitsuka, Masato Asai, Sadia Adachi,Rugard Dressler, Kentaro Hirose, Hiroki Inoue, Yuta Ito, Ayuna Kashihara, Hiroyuki Makii, Katsuhisa Nishio, Minoru Sakama,Kaori Shirai, Hayato Suzuki, Katsuyuki Tokoi,Eisuke Watanabe, Yuichiro Nagame; Angewandte Chemie133 18015-18018 (2021)

A novel challenge of nondestructive analysis on OGATA Koan's sealed medicine by muonic X-ray analysis: Kayoko Shimada-Takaura, Kazuhiko Ninomiya , Akira Sato, Naomi Ueda, Motonobu Tampo, Soshi Takeshita, Izumi Umegaki, Yasuhiro Miyake, Kyoko Takahashi; Journal of Natural Medicines (2021)

Position distribution calculation of annihilation radiations and bremsstrahlung x rays in water during irradiation of positive muons: a Monte Carlo simulation study: Yoshiyuki Hirano, Seiichi Yamamoto, Naritoshi Kawamura, Kazuhiko Ninomiya; Physica Scripta 96 025302 (2021)

Co-precipitation behaviour of single atoms of rutherfordium in basic solutions: Y. Kasamatsu, K. Toyomura, H. Haba, T. Yokokita, Y. Shigekawa, A. Kino, Y. Yasuda, Y. Komori, J. Kanaya, M. Huang, M. Murakami, H. Kikunaga, E. Watanabe, T. Yoshimura, K. Morita, T. Mitsugashira, K. Takamiya, T. Ohtsuki, and A. Shinohara; Nature Chem. 13 226-230 (2021)

2020

Structural and compositional characteristics of Fukushima release particulate material from Units 1 and 3 elucidates release mechanisms, accident chronology and future decommissionig strategy: Peter G. Martin, Christopher P. Jones, Stuart Bartlett, Konstantin Ignatyev, Dave Megson-Smith, Yukihiko Satou, Silvia Cipiccia, Darren J. Batey, Christoph Rau, Keisuke Sueki, Tatsuya Ishii, Junya Igarashi, Kazuhiko Ninomiya, Atsushi Shinohara,, Alison Rust, Thomas B. Scott; Scientific Reports 10 22056 (2020)

Production of 266Bh in the 248Cm(23Na,5n)266Bh reaction and its decay properties: H. Haba, F. Fan, D. Kaji, Y. Kasamatsu, H. Kikunaga, Y. Komori, N. Kondo, H. Kudo, K. Morimoto, K. Morita, M. Murakami, K. Nishio, J. P. Omtvedt,, K. Ooe, Z. Qin, D. Sato, N. Sato, T. Sato, Y. Shigekawa, A. Shinohara, M. Takeyama, T. Tanaka, A. Toyoshima, K. Tsukada, Y. Wakabayashi, Y. Wang, S. Wulff, S. Yamaki, S. Yano, Y. Yasuda, and T. Yokokita; Phys. Rev. C 102 024625 1-12 (2020)

Development of a retarding-field type magnetic bottle spectrometer for studying the internal-conversion process of 235mU: Y. Shigekawa, Y. Kasamatsu, Y. Yamakita, Y. Yasuda, E. Watanabe, N. Kondo, H. Haba, A. Shinohara; Nucl. Instrum. Meth. Phys. Res. A 976 164207 (2020)

Solvent extraction of Zr and Hf from HCl by Aliquat 336 using a flow-type extraction apparatus toward online chemical studies of element 104, rutherfordium: Y. Kasamatsu, N. Kondo, K. Nakamura, Y. Kuboki, H. Ninomiya, Y. Shigekawa, E. Watanabe, Y. Yasuda, K. Toyomura, M. Nagase, T. Yokokita, Y. Komori, H. Haba, T. Yoshimura, H. Itabashi, and A. Shinohara; Solvent Extr. Ion Exch. 38 318-327 (2020)

Optical imaging of muons: Seiichi Yamamoto, Kazuhiko Ninomiya, Naritoshi Kawamura and Yoshiyuki Hirano; Scientific Reports 10 20790 (2020)

Nuclear magnetic field in Na0.7CoO2 detected with μ-SR: Jun Sugiyama, Izumi Umegaki, Soshi Takeshita, Hiroya Sakurai, Shoichiro Nishimura, Ola Kenji Forslund, Elisabetta Nocerino, Nami Matsubara, Martin Mansson, Takehito Nakano, Ichihiro Yamauchi, Kazuhiko Ninomiya, M. Kenya Kubo, and Koichiro Shimomura; Phys. Rev. B 102 144431 (2020)

負ミュオンの化学: K. Ninomiya; RADIOISOTOPES 69 227-286 (2020)

Irradiation Test of 65-nm Bulk SRAMs With DC Muon Beam at RCNP-MuSIC Facility: Takumi Mahara, Seiya Manabe, Yukinobu Watanabe, Wang Liao, Masanori Hashimoto, Takeshi Y. Saito, Megumi Niikura, Kazuhiko Ninomiya, Dai Tomono, and Akira Sato; IEEE TRANSACTIONS ON NUCLEAR SCIENCE 67 7 1555-1559 (2020)

X-ray Spectroscopy of Muonic Atoms Isolated in Vacuum with Transition Edge Sensors: S. Okada, T. Azuma, D.A. Bennett, P. Caradonna, W.B. Doriese, M.S. Durkin, J.W. Fowler, J.D. Gard, T. Hashimoto, R. Hayakawa, G.C. Hilton, Y. Ichinohe, P. Indelicato, T. Isobe, S. Kanda, M. Katsuragawa, N. Kawamura, Y. Kino, Y. Miyake, K.M. Morgan, K. Ninomiya, H. Noda, G.C. O'Neil, T. Okumura, C.D. Reintsema, D.R. Schmidt, K. Shimomura, P. Strasser, D.S. Swetz, T. Takahashi, S. Takeda, S. Takeshita, H. Tatsuno, Y. Ueno, J.N. Ullom, S. Watanabe, S. Yamada; Journal of Low Temperature Physics 200 445-451 (2020)

Nondestructive High-Sensitivity Detections of Metallic Lithium Deposited on a Battery Anode Using Muonic X-rays: I. Umegaki, Y. Higuchi, Y. Kondo, K. Ninomiya, S. Takeshita, M. Tampo, H. Nakano, H. Oka, J. Sugiyama, M.K. Kubo, Y. Miyake; Anal. Chem. 92 (12) 8194-8200 (2020)

Nuclear isotope production by ordinary muon capture reaction: I.H. Hashim, H. Ejiri, F. Othman, F. Ibrahim, F. Soberi, N.N.A.M.A. Ghani, T. Shima, A. Sato, K. Ninomiya; Nuclear Inst. and Methods in Physics Research A 963, 163749 (2020)

Per atom muon capture ratios and effects of molecular structure on muon capture by γ- Fe2O3 and Fe3O4: K. Ninomiya M. Kajino, M. Inagaki, K. Terada, A. Sato, D. Tomono, Y. Kawashima, A. Shinohara; Journal of Radioanalytical and Nuclear Chemistry 324, 403-408 (2020)

連続ミューオン源 RCNP-MuSIC を用いた非接触での物体内部の元素濃度分析実験: K. Ninomiya, M. Nikura, A. Sato, K. Terada, T. Saito, T. Matsuzaki, D. Tomono, Y. Kawashima, A. Shinohara, K. Kubo, and T. Saito; RADIOISOTOPES 69, 13-17 (2020)

2019

Observation of internal-conversion electrons emitted from 229mTh produced by β decay of 229Ac: Y. Shigekawa, Y. Kasamatsu, E. Watanabe, H. Ninomiya, S. Hayami, N. Kondo, Y. Yasuda, H. Haba, and A. Shinohara; Phys. Rev. C 100, 044304 (2019)

Non-destructive, position-selective, and multi-elemental analysis method involving negative muons: Kazuhiko Ninomiya; Journal of Nuclear and Radiochemical Sciences 19, 8-13 (2019)

Development of a non-destructive isotopic analysis method by gamma-ray emission measurement after negative muon irradiation: Takuto Kudo, Kazuhiko Ninomiya, Patrick Strasser, Kentaro Terada, Yosuke Kawai, Motonobu Tampo, Yasuhiro Miyake, Atsushi Shinohara, Kenya M. Kubo; J Radioanal Nucl. Chem. 322 , 1299-1303 (2019)

Production of 191Pt from an iridium target by vertical beam irradiation and simultaneous alkali fusion: Honoka Obata, Katsuyuki Minegishi, Kotaro Nagatsu, Ming-Rong Zhang, Atsushi Shinohara; Applied Radiation and Isotopes 149, 31-37 (2019)

Estimation of dose and light distributions in water during irradiation of muon beams: Yoshiyuki Hirano, Kazuhiko Ninomiya and Seiichi Yamamoto; Phys. Scr. 94, 125804 (2019)

X-ray pumping of the 229Th nuclear clock isomer: T. Masuda, A. Yoshimi, A. Fujieda, H. Fujimoto, H. Haba, H. Hara, T. Hiraki, H. Kaino, Y. Kasamatsu, S. Kitao, K. Konashi, Y. Miyamoto, K. Okai, S. Okubo, N. Sasao, M. Seto, T. Schumm, Y. Shigekawa, K. Suzuki, S. Stellmer, K. Tamasaku, S. Uetake, M. Watanabe, T. Watanabe, Y. Yasuda, A. Yamaguchi, Y. Yoda, T. Yokokita, M. Yoshimura, K. Yoshimura; Nature 573, 238-242 (2019)

First determination of Pu isotopes (239Pu, 240Pu and 241Pu) in radioactive particles derived from Fukushima Daiichi Nuclear Power Plant accident: Junya Igarashi, Jian Zheng, Zijian Zhang, Kazuhiko Ninomiya, Yukihiko Satou, Miho Fukuda, Youyi Ni, Tatsuo Aono, Atsushi Shinohara; Scientific Reports 9, 11807 (2019)

Activity of 90Sr in Fallout Particles Collected in the Difficult-to-Return Zone around the Fukushima Daiichi Nuclear Power Plant: Zijian Zhang, Junya Igarashi, Yukihiko Satou, Kazuhiko Ninomiya, Keisuke Sueki, Atsushi Shinohara; Environ. Sci. Technol. 53, 5868-5876 (2019)

Initial quantum levels of captured muons in CO, CO2, and COS: Go Yoshida, Kazuhiko Ninomiya, Makoto Inagaki, Wataru Higemoto, Patrick Strasser, Naritoshi Kawamura, Koichiro Shimomura, Yasuhiro Miyake, Taichi Miura, Kenya M. Kubo, Atsushi Shinohara; J Radioanal Nucl Chem 320(2), 283-289 (2019)

Development of non-destructive isotopic analysis methods using muon beams and their application to the analysis of lead: Kazuhiko Ninomiya, Takuto Kudo, Patrick Strasser, Kentaro Terada, Yosuke Kawai, Motonobu Tampo, Yasuhiro Miyake, Atsushi Shinohara, Kenya M. Kubo; J Radioanal Nucl Chem 320, 801-805 (2019)

Chemical Environmental Effect on Muon Capture Processes for Iron Compounds: Kazuhiko Ninomiya, Takuto Kudo, Michihiro Kitanaka, Motonobu Tampo, Yasuhiro Miyake, Atsushi Shinohara, and Michael K. Kubo; JPS Conf.Proc. 25, 011010(2019)

Fungal spore involvement in the resuspension of radiocaesium in summer: Yasuhito Igarashi, Kazuyuki Kita, Teruya Maki, Takeshi Kinase, Naho Hayashi, Kentaro Hosaka, Kouji Adachi, Mizuo Kajino, Masahide Ishizuka, Tsuyoshi Thomas Sekiyama, Yuji Zaizen, Chisato Takenaka, Kazuhiko Ninomiya, Hiroshi Okochi & Atsuyuki Sorimachi; SCIENTIFIC REPORTS 9, 1954 (2019).

Negative muon capture ratios for nitrogen oxide molecules: Kazuhiko Ninomiya, Takashi U. Ito, Wataru Higemoto, Naritoshi Kawamura, Patrick Strasser, Takashi Nagatomo, Koichiro Shimomura, Yasuhiro Miyake, Makoto Kita, Atsushi Shinohara, Kenya M. Kubo, Taichi Miura; Journal of Radioanalytical and Nuclear Chemistry 319,767-773 (2019)

2018

229mThと235mUの核壊変の化学状態依存性: 笠松良崇、菊永英寿; Radioisotopes 67,471-482 (2018).

The seasonal variations of atmospheric 134,137Cs activity and possible host particles for their resuspension in the contaminated areas of Tsushima and Yamakiya, Fukushima, Japan: Takeshi Kinase, Kazuyuki Kita, Yasuhito Igarashi, Kouji Adachi, Kazuhiko Ninomiya, Atsushi Shinohara, Hiroshi Okochi, Hiroko Ogata, Masahide Ishizuka, Sakae Toyoda, Keita Yamada, Naohiro Yoshida, Yuji Zaizen, Masao Mikami, Hiroyuki Demizu and Yuichi Onda; Progress in Earth and Planetary Science5:12 (2018)

Development of new methods for aqueous chemistry on element 104, rutherfordium: Batch-type solid-liquid extraction and coprecipitation: Y. Kasamatsu; J. Nucl. Radiochem. Sci.,18, 24-31 (2018)

Atmospheric Activity Concentration of 90Sr and 137Cs after the Fukushima Daiichi Nuclear Accident: Zijian Zhang, Kazuhiko Ninomiya, Yoshiaki Yamaguchi, Kazuyuki Kita, Haruo Tsuruta, Yasuhito Igarashi, and Atsushi Shinohara; Environ. Sci. Technol 52 (17), 9917-9925 (2018)

Nuclear Magnetic Field in Solids Detected with Negative-Muon Spin Rotation and Relaxation: Jun Sugiyama, Izumi Umegaki, Hiroshi Nozaki, Wataru Higemoto, Koji Hamada, Soshi Takeshita, Akihiro Koda, Koichiro Shimomura, Kazuhiko Ninomiya, and M. Kenya Kubo; Phys. Rev. Lett. 121,,087202 (2018).

Toward an energy measurement of the internal conversion electron in the deexcitation of the 229Th isomer: Simon Stellmer, Yudai Shigekawa, Veronika Rosecker, Georgy A. Kazakov, Yoshitaka Kasamatsu, Yuki Yasuda, Atsushi Shinohara, and Thorsten Schumm; Phys. Rev. C 98, 014317 (2018).

Variation of half-life and internal-conversion electron energy spectrum between 235mU oxide and fluoride: Y. Shigekawa, Y. Kasamatsu, Y. Yasuda, M. Kaneko, M. Watanabe, and A. Shinohara; Phys. Rev. C 98, 014306 (2018).

Nuclear resonant scattering experiment with fast time response: photonuclear excitation of 201Hg: A. Yoshimi, H. Hara, T. Hiraki, Y. Kasamatsu, S. Kitao, Y. Kobayashi, K. Konashi, R. Masuda, T. Masuda, Y. Miyamoto, K. Okai, S. Okubo, R. Ozaki, N. Sasao, O. Sato, M. Seto, T. Schumm, Y. Shigekawa, S. Stellmer, K. Suzuki, S. Uetake, M. Watanabe, A. Yamaguchi, Y. Yasuda, Y. Yoda, K. Yoshimura, and M. Yoshimura; Phys.Rev.C 97,024607 , pp.1-6 (2018).

Muonic X-ray measurements on mixtures of CaO/MgO and Fe3O4/MnO: K. Ninomiya, M. Kitanaka, A. Shinohara, M. Tampo, Y, Miyake, Y, Sakai& M. K. Kubo; J Radioanal Nucl Chem 316(3), 1107-1111 (2018).

Isotope identification of lead by muon induced X-ray and gamma-ray measurements: Kazuhiko NINOMIYA, Michael K. KUBO, Patrick STRASSER, AtsushiSHINOHARA, Motonobu TAMPO, Naritoshi KAWAMURA, Yasuhiro MIYAKE; JPS Conf. Proc 21, 011043 (2018).

Muon Transfer Rates from Muonic Hydrogen Atoms to Gaseous Benzene and Cyclohexane: Makoto Inagaki, Kazuhiko Ninomiya, Go Yoshida, Wataru Higemoto, Naritoshi Kawamura, Yasuhiro Miyake, Taichi Miura and Atsushi Shinohara; Journal of Nuclear and Radiochemical Sciences 18, pp.5-8 (2018).

Detection of Li in Li-ion battery electrode materials by muonic x-ray: Izumi Umegaki, Yuki Higuchi, Hiroshi Nozaki, Kazuhiko Ninomiya, M. Kenya Kubo, Motonobu Tampo, Koji Hamada, Shogo Doiuchi,Patrick Strasser, Naritoshi Kawamura, Yasuhiro Miyake, and Jun Sugiyama; JPS Conf. Proc 21, 011041 (2018).

Development of Muonic Atom Beam Extraction System and First Evaluation by Intense Negative Muon Beam of J-PARC MUSE: Go YOSHIDA, Kazuhiko NINOMIYA, Makoto INAGAKI, Michisato TOYODA, Jun AOKI, Naritoshi KAWAMURA, Yasuhiro MIYAKE, and Atsushi SHINOHARA; JPS Conf. Proc 21, 011046 (2018).

2017

Non-destructive elemental analysis of a carbonaceous chondrite with direct current Muon beam at MuSIC.: K. Terada, A. Sato, K. Ninomiya, Y. Kawashima, K. Shimomura, G. Yoshida, Y. Kawai, T. Osawa & S. Tachibana; SCIENTIFIC REPORTS 7, 15478 (2017).

Use of a size-resolved 1-D resuspension scheme to evaluate resuspended radioactive material associated with mineral dust particles from the ground surface.: M. Ishizuka, M. Mikami, T. Y. Tanaka, Y. Igarashi, K. Kita, Y. Yamada, N. Yoshida, S. Toyoda, Y. Satou, T. Kinase, K. Ninomiya, A. Shinohara; Journal of Environmental Radioactivity 166, 436-448 (2017).

超重元素の溶液系での分析化学実験: 笠松良崇; ぶんせき 3, 96-102 (2017).

104番元素Rfの抽出平衡の観測: 笠松良崇, 横北卓也; 放射化学 35, 2-8 (2017).

新たな溶液化学実験手法で超重元素ラザホージウムの化学平衡を観測: 笠松良崇; Academist Journal 2017

2016

Rapid isolation method for radioactive strontium using EmporeTM Strontium Rad Disk.: Zhang, Z.;. Ninomiya, K.; Takahashi, N.; Saito, T.; Kita, K.; Yamaguchi, Y.; Shinohara, A.; J. Nucl. Radiochem. Sci. 16, 15-21 (2016).

Negative muon induced elemental analysis by muonic X-ray and prompt gamma-ray measurements.: Ninomiya, K.; Inagaki, M.; Kubo, M. K.; Nagatomo, T.; Higemoto, W.; Kawamura, N.; Strasser, P.; Shimomura, K.; Miyake, Y.; Sakamoto, S.; Shinohara, A.; Saito, T.; J. Radioanal. Nucl. Chem. 309, 65-69 (2016).

Observation of the chemical reaction equilibria of element 104, rutherfordium: Solid-liquid extraction of Rf, Zr, Hf and Th with Aliquat 336 resin from HCl.: Yokokita, T.; Kasamatsu, Y.; Kino, A.; Haba, H.; Shigekawa, Y.; Yasuda, Y.; Nakamura, K.; Toyomura, K.; Komori, Y.; Murakami, M.; Yoshimura, T.; Takahashi, N.; Morita, K.; Shinohara, A.; A. Dalton Trans. 45, 18827-18831 (2016).

Coprecipitation experiment with Sm hydroxide using a multitracer produced by nuclear spallation reaction: A tool for chemical studies with superheavy elements.: Kasamatsu, Y.; Yokokita, T.; Toyomura, K.; Shigekawa, Y.; Haba, H.; Kanaya, J.; Huang, M.; Ezaki, Y.; Yoshimura, T.; Morita, K.; Shinohara, A.; Appl. Radiat. Isot. 118, 105-116 (2016).

Development and evaluation of a collection apparatus for recoil products for study of the deexcitation process of 235mU: Y. Shigekawa, Y. Kasamatsu and A. Shinohara; Rev. Sci. Instrum. 87, 053508 (2016).

Chemical Environmental Effects on Muon Transfer Process in Low Pressure Mixture Gases; H2 + CO and H2 + CO2: Go YOSHIDA, Kazuhiro NINOMIYA, Makoto INAGAKI, Wataru HIGEMOTO, Naritoshi KAWAMURA, Koichiro SHIMOMURA, Yasuhiro MIYAKE, Taichi MIURA, Michael Kenya KUBO, and Atsushi SHINOHARA; Radioisotopes 65, 113-118 (2016).

2015

Elemental Analysis System with Negative-Muon Beam: Takahito OSAWA, Kazuhiro NINOMIYA, Go YOSHIDA, Makoto INAGAKI, Kenya M. Kubo, Naritoshi KAWAMURA, and Yasuhiro MIYAKE; JPS Conf. Proc. 8, 025003 (2015).

Online Monitoring of Negative Muon Beam Profiles at J-PARC MUSE using a Gated Image Intensifier: T. U. Ito, W. Higemoto, K. Ninomiya, M. K. Kubo, N. Kawamura, and K. Shimomura; JPS Conf. Proc. 8, 036014 (2015).

The Development of a Non-Destructive Analysis System with Negative Muon Beam for Industrial Devices at J-PARC MUSE: Motonobu Tampo, Kouji Hamada, Naritoshi Kawamura, Makoto Inagaki, Takashi U. Ito, Kenji M. Kojima, Kenya M. Kubo, Kazuhiko Ninomiya, Patrick Strasser, Go Yoshida and Yasuhiro Miyake; JPS Conf. Proc. 8, 036016 (2015).

Development of an automated batch-type solid-liquid extraction apparatus and extraction of Zr, Hf, and Th by triisooctylamine from HCl solutions for chemistry of element 104, Rf: Y. Kasamatsu, A. Kino, T. Yokokita, K. Nakamura, Y. Komori, K. Toyomura, T. Yoshimura, H. Haba, J. Kanaya, M. Huang, Y. Kudou, N. Takahashi, and A. Shinohara; Radiochim. Acta 103, 513-521 (2015).

Distribution behaviors of Nb, Ta, and Pa as homologues of Db in cation exchange and solid-liquid and liquid-liquid extractions by Aliquat 336 from hydrochloric acid: T. Yokokita, Y. Kasamatsu, T. Yoshimura, N. Takahashi, and A. Shinohara; Solvent Extr. Ion Exch. 33, 472-495 (2015).

Solvent extraction of zirconium and hafnium as homologues of rutherfordium by triisooctylamine from HCl solutions: A. Kino, Y. Kasamatsu, T. Yokokita, T. Yoshimura, Y. Komori, Y. Kikutani, N. Takahashi, and A. Shinohara; Solvent Extr. Res. Dev. Jpn. 22, 127-134 (2015).

Production of 88Nb and 170Ta for chemical studies of element 105, Db, using the GARIS gas-jet system: M. Huang, H. Haba, M. Murakami, M. Asai, D. Kaji, J. Kanaya, Y. Kasamatsu, H. Kikunaga, Y. Kikutani, Y. Komori, H. Kudo, Y. Kudou, K. Morimoto, K. Morita, K. Nakamura, K. Ozeki, R. Sakai, A. Shinohara, T. Sumita, K. Tanaka, A. Toyoshima, K. Tsukada, Y. Wakabayashi, and A. Yoneda; J. Radioanal. Nucl. Chem. 304, 845-849 (2015).

Elemental Analysis of Bronze Artifacts by Muonic X-ray Spectroscopy: Kazuhiko Ninomiya, Michael K. Kubo, Patrick Strasser, Takashi Nagatomo, Yoshio Kobayashi, Katsuhiko Ishida, Wataru Higemoto, Naritoshi Kawamura, Koichiro Shimomura, Yasuhiro Miyake, Takao Suzuki, Atsushi Shinohara, Tsutomu Saito; JPS Conf. Proc. 8, 033005 (2015).

Muonic Atom Formation by Muon Transfer Process in C6H6 or C6H12 and CCl4 Mixtures: Makoto Inagaki, Kazuhiko Ninomiya, Kazuya Fujihara, Go Yoshida, Yoshitaka Kasamatsu, Michael K. Kubo, Wataru Higemoto, Naritoshi Kawamura, Takashi Nagatomo, Yasuhiro Miyake, Taichi Miura, Atsushi Shinohara; JPS Conf. Proc. 8, 033004 (2015).

Nondestructive Elemental Depth-Profiling Analysis by Muonic X-ray Measurement: K. Ninomiya, M. K. Kubo, T. Nagatomo, W. Higemoto, T. U. Ito, N. Kawamura, P. Strasser, K. Shimomura, Y. Miyake, T. Suzuki, Y. Kobayashi, S. Sakamoto, A. Shinohara, T. Saito; Anal. Chem. 87, 4597-4600 (2015).

Measurement of evaporation-residue cross sections with light beams and deformed lanthanide target nuclei: S. Ueno, K. Toda, A. Asano, N. Takahashi, Y. Kasamatsu, T. Yokokita, A. Yokoyama; J. Radioanal. Nucl. Chem. 303, 1273-1276 (2015).

Daily variation of I-131, Cs-134 and Cs-137 activity concentrations in the atmosphere in Osaka during the early phase after the FDNPP accident: Z. Zhang, K. Ninomiya, N. Takahashi, A. Shinohara; J. Radioanal. Nucl. Chem. 303, 1527-1531 (2015).

Muon capture probability of carbon and oxygen for CO, CO2, and COS under low-pressure gas conditions: G. Yoshida, K. Ninomiya, T. U. Ito, W. Higemoto, T. Nagatomo, P. Strasser, N. Kawamura, K. Shimomura, Y. Miyake, T. Miura, K. M. Kubo, A. Shinohara; J. Radioanal. Nucl. Chem. 303, 1277-1281 (2015).

Solid-liquid extraction of Mo and W by Aliquat 336 from HCl solutions toward extraction chromatography experiments of Sg: Y. Komori, T. Yokokita, Y. Kasamatsu, H. Haba, A. Toyoshima, K. Toyomura, K. Nakamura, J. Kanaya, M. Huang, Y. Kudou, N. Takahashi, A. Shinohara; J. Radioanal. Nucl. Chem. 303, 1385-1388 (2015).

Development of a new continuous dissolution apparatus with a hydrophobic membrane for superheavy element chemistry: K. Ooe, M. F. Attallah, M. Asai, N. Goto, N. S. Gupta, H. Haba, M. Huang, J. Kanaya, Y. Kaneya, Y. Kasamatsu, Y. Kitatsuji, Y. Kitayama, K. Koga, Y. Komori, T. Koyama, J. V. Kratz, H. V. Lerum, S. Miyashita, Y. Oshimi, V. Pershina, D. Sato, T. K. Sato, Y. Shigekawa, A. Shinohara, A. Tanaka, A. Toyoshima, K. Tsukada, S. Tsuto, T. Yokokita, A. Yokoyama, J. P. Omtvedt, Y. Nagame, M. Schade; J. Radioanal. Nucl. Chem. 303, 1317-1320 (2015).

Chemical studies of Mo and W in preparation of a seaborgium (Sg) reduction experiment using MDG, FEC, and SISAK: A. Toyoshima, K. Ooe, S. Miyashita, M. Asai, M. F. Attallah, N. Goto, N. S. Gupta, H. Haba, M. Huang, J. Kanaya, Y. Kaneya, Y. Kasamatsu, Y. Kitatsuji, Y. Kitayama, K. Koga, Y. Komori, T. Koyama, J. V. Kratz, H. V. Lerum, Y. Oshimi, V. Pershina, D. Sato, T. K. Sato, Y. Shigekawa, A. Shinohara, A. Tanaka, K. Tsukada, S. Tsuto, T. Yokokita, A. Yokoyama, J. P. Omtvedt, Y. Nagame, M. Schadel; J. Radioanal. Nucl. Chem. 303, 1069-1071 (2015).

Solvent extraction using carrier-free radiotracers of Mo and W from HCl and HCl/LiCl solutions into Aliquat 336: T. Yokokita, K. Ooe, Y. Kasamatsu, T. Yoshimura, N. Takahashi, N. Shiohara, K. Takamiya, Y. Komori, Y. Kikutani, A. Kino, A. Shinohara; J. Radioanal. Nucl. Chem. 303, 1091-1094 (2015).

2014

Feasibility studies towards future self-sufficient supply of the 99Mo/99mTc isotopes with Japanese accelerators: K. Nakai, N. Takahashi, J. Hatazawa, A. Shinohara, Y. Hayashi, H. Ikeda, Y. Kanai, T. Watanabe, M. Fukuda, K. Hatanaka; Proc. Jpn. Acad. Ser. B 90, 413-421 (2014).

Coprecipitation behaviors of Zr, Hf, and Th with Sm hydroxide for chemical study of element 104, Rf: Y. Kasamatsu, K. Toyomura, N. Shiohara, T. Yokokita, Y. Komori, A. Kino, T. Yoshimura, N. Takahashi, H. Haba, Y. Kudou, H. Kikunaga, T. Mitsugashira, T. Ohtsuki, K. Takamiya, A. Shinohara; J. Nucl. Radiochem. Sci. 14, 7-11 (2014).

Solvent extraction of Mo(V) and Mo(VI) from hydrochloric acid into Aliquat 336 chloroform solution: T. Yokokita, Y. Kasamatsu, K. Ooe, T. Yoshimura, N. Takahashi, Y. Komori, A. Shinohara; J. Radioanal. Nucl. Chem. 301, 751-756 (2014).

A new X-ray fluorescence spectroscopy for extraterrestrial materials using a muon beam: K. Terada, K. Ninomiya, T. Osawa, S. Tachibana, Y. Miyake, M. K. Kubo, N. Kawamura, W. Higemoto, A. Tsuchiyama, M. Ebihara, M. Uesugi; Sci. Rep. 4, 5072 (2014).

Measurements of cross sections for neutron-induced reactions on chromium and yttrium targets at 197 MeV: S. Sekimoto, H. Suzuki, H. Yashima, K. Ninomiya, Y. Kasamatsu, T. Shima, N. Takahashi, A. Shinohara, H. Matsumura, M. Hagiwara, K. Nishiizumi, M. W. Caffee, S. Shibara; Nucl. Data Sheets 119, 197-200 (2014).

Production of 262Db in the 248Cm(19F,5n)262Db reaction and decay properties of 262Db and 258Lr: H. Haba, M. Huang, D. Kaji, J. Kanaya, Y. Kudou, K. Morimoto, K. Morita, M. Murakami, K. Ozeki, R. Sakai, T. Sumita, Y. Wakabayashi, A. Yoneda, Y. Kasamatsu, Y. Kikutani, Y. Komori, K. Nakamura, A. Shinohara, H. Kikunaga, H. Kudo, K. Nishio, A. Toyoshima, K. Tsukada; Phys. Rev. C 89, 024618 (2014).

Measurements of the neutron activation cross sections for Bi and Co at 386 MeV: H. Yashima, S. Sekimoto, K. Ninomiya, Y. Kasamatsu, T. Shima, N. Takahashi, A. Shinohara, H. Matsumura, D. Satoh, Y. Iwamoto, M. Hagiwara, K. Nishiizumi, M. W. Cafee, S. Shibata; Radiat. Prot. Dosim. 161, 139-143 (2014).

2013

Measurement of the Md3+/Md2+ reduction potential studied with flow electrolytic chromatography: A. Toyoshima, Z. Li, M. Asai, N. Sato, T. K. Sato, T. Kikuchi, Y. Kaneya, Y. Kitatsuji, K. Tsukada, Y. Nagame, M. Schadel, K. Ooe, Y. Kasamatsu, A. Shinohara, H. Haba, J. Even; Inorg. Chem. 52, 12311-12313 (2013).

Solvent extraction of Zr and Hf from hydrochloric acid using tributylphosphate for the extraction of element 104, rutherfordium: Y. Kasamatsu, Y. Kikutani, A. Kino, Y. Komori, T. Yokokita, T. Yoshimura, N. Takahashi, A. Shinohara; Radiochim. Acta 101, 515-518 (2013).

Excitation functions for production of Rf isotopes in the 248Cm + 18O reaction: M. Murakami, S. Goto, H. Murayama, T. Kojima, H. Kudo, D. Kaji, K. Morimoto, H. Haba, Y. Kudou, T. Sumita, R. Sakai, A. Yoneda, K. Morita, Y. Kasamatsu, H. Kikunaga, T. K. Sato; Rhys. Rev. C 88, 024618/1-8 (2013).

Adsorption behavior of 95Nb and 179Ta as homologues of element 105, Db, on cation exchanger in HF/HNO3 solution: Y. Kasamatsu, A. Toyoshima, H. Toume, K. Tsukada, M. Asai, H. Haba, Y. Nagame; J. Nucl. Radiochem. Sci. 13, 9-12 (2013).

Suppression of β-particle events using a capillary tube in liquid scintillation α spectrometry: Y. Komori, H. Kikunaga, T. Yoshimura, A. Shinohara; Appl. Radiat. Isot. 72, 195-199 (2013).

Excited-State Characteristics of Tetracyanidonitridorhenium(V) and -technetium(V) Complexes with N-Heteroaromatic Ligands: H. Ikeda, A. Ito, E. Sakuda, N. Kitamura, T. Takayama, T. Sekine, A. Shinohara, T. Yoshimura; Inorg. Chem. 52, 6319-6327 (2013).

Measurements of cross sections for production of light nuclides by 300 MeV proton bombardment of Cu and Y: S. Sekimoto, T. Omoto, H. Joto, T. Utsunomiya, H. Yashima, K. Ninomiya, K.C. Welten, M.W. Caffee, Y. Matsushi, H. Matsuzaki, R. Nakagaki, T. Shima, N. Takahashi, A. Shinohara, H. Matsumura, D. Satoh, Y. Iwamoto, M. Hagiwara, K. Nishiizumi, S. Shibata; Nucl. Instr. Meth. Phys. Res. B 294, 475-478 (2013).

Ground-state configuration of the N = 157 nucleus 259No: M. Asai, K. Tsukada, M. Sakama, H. Haba, T. Ichikawa, Y. Ishii, A. Toyoshima, T. Ishii, I. Nishinaka, Y. Nagame, Y. Kasamatsu, M. Shibata, Y. Kojima, H. Hayashi; Phys. Rev. C 87, 014332/1-6 (2013).

2012

Photoluminescence Switching with Changes in the Coordination Number and Coordinating Volatile Organic Compounds in Tetracyanidonitridorhenium(V) and -technetium(V) Complexes: H. Ikeda, T. Yoshimura, A. Ito, E. Sakuda, N. Kitamura, T. Takayama, T. Sekine, A. Shinohara; Inorg. Chem. 51, 12065-12074 (2012).

New result in the production and decay of an isotope, 278113, of the 113th element: K. Morita, K. Morimoto, D. Kaji, H. Haba, K. Ozeki, Y. Kudou, T. Sumita, Y. Wakabayashi, A. Yoneda, K. Tanaka, S. Yamaki, R. Sakai, T. Akiyama, S. Goto, H. Hasebe, M. Huang, T. Huang, E. Ideguchi, Y. Kasamatsu, K. Katori, Y. Kariya, H. Kikunaga, H. Koura, H. Kudo, A. Mashiko, K. Mayama, S. Mitsuoka, T. Moriya, M. Murakami, H. Murayama, S. Namai, A. Ozawa, N. Sato, K. Sueki, M. Takeyama, F. Tokanai, T. Yamaguchi, A. Yoshida; J. Phys. Soc. Jpn. 81, 103201/1-4 (2012).

Production of 265Sg in the 248Cm(22Ne,5n)265Sg reaction and decay properties of two isomeric states in 265Sg: H. Haba, D. Kaji, Y. Kudou, K. Morimoto, K. Morita, K. Ozeki, R. Sakai, T. Sumita, A. Yoneda, Y. Kasamatsu, Y. Komori, A. Shinohara, H. Kikunaga, H. Kudo, K. Nishio, K. Ooe, N. Sato, K. Tsukada; Phys. Rev. C 85, 024611/1-11 (2012).

Development of Nondestructive and Quantitative Elemental Analysis Method Using Calibration Curve between Muonic X-ray Intensity and Elemental Composition in Bronze: K. Ninomiya, T. Nagatomo, K. Kubo, T. U. Ito, W. Higemoto, M. Kita, A. Shinohara, P. Strasser, N. Kawamura, K. Shimomura, Y. Miyake, T. Saito; Bull. Chem. Soc. Jpn. 85, 228-230 (2012).

Sulfate complexation of element 104, Rf, in H2SO4/HNO3 mixed solution: Z. J. Li, A. Toyoshima, M. Asai, K. Tsukada, T. K. Sato, N. Sato, T. Kikuchi, Y. Nagame, M. Schadel, V. Pershina, X. H. Liang, Y. Kasamatsu, Y. Komori, K. Ooe, A. Shinohara, S. Goto, H. Murayama, M. Murakami, H. Kudo, H. Haba, Y. Takeda, M. Nishikawa, A. Yokoyama, S. Ikarashi, K. Sueki, K. Akiyama, J. V. Kratz; Radiochim. Acta 100, 157-164 (2012).

2011

Direct Observation of Metal Cluster-to-ligand Charge Transfer Excited-state on the Octahedral Haxarhenium Complex: Yoshimura, T.; Ishizaka, S.; Kashiwa, T.; Ito, A.; Sakuda, E.; Shinohara, A.; Kitamura, N.; Inorg. Chem. 50, 9918-9920 (2011).

Separation of Am(III), Cm(III), and Cf(III) Using Capillary Electrophoresis: Kikunaga, H.; Yoshimura, T.; Kuribayashi, T.; Kitamoto, Y.; Takahashi, N.; Haba, H.; Ezaki, Y.; Enomoto, S.; Mitsugashira, T.; Shinohara, A.; Proc. Radiochem. 1, 167-171 (2011).

Precision measurement of the half-life of 90mNb and 99mTc: Kikunaga, H.; Fujisawa, H.; Ooe, K.; Takayama, R.; Shinohara, A.; Takamiya, K.; Kasamatsu, Y.; Ezaki, Y.; Haba, H.; Nakanishi, T.; Mitsugashira, T.; Hirose, K.; Ohtsuki, T.; Proc. Radiochem. 1, 113-116 (2011).

Solvent Extraction of Trivalent Actinides with Di(2-ethylhexyl)phosphoric Acid: Takayama, R.; Ooe, K.; Yahagi, W.; Fujisawa, H.; Komori, Y.; Kikunaga, H.; Yoshimura, T.; Takahashi, N.; Takahisa, K.; Haba, H.; Kudou, Y.; Ezaki, Y.; Toyoshima, A.; Asai, M.; Nagame, Y.; Saito, T.; Mitsugashira, T.; Shinohara A.; Proc. Radiochem. 1, 157-160 (2011).

Extraction Behavior of Carrier-free and Macro amounts of Molybdenum and Tungsten from HCl solution: Ooe, K.; Yahagi, W.; Komori, Y.; Fujisawa, H.; Takayama, R.; Kikunaga, H.; Yoshimura, T.; Takahashi, N.; Haba, H.; Kudou, Y.; Ezaki, Y.; Shinohara, A.; Proc. Radiochem. 1, 127-130 (2011).

Radiochemical study of sub-barrier fusion hindrance in 19F+209Bi reaction: Nishinaka, I.; Kasamatsu, Y.; Tanikawa, M.; Goto, S.; Asai, M.; Proc. Radiochem. 1, 117-121 (2011).

Cross Sections of 7Be, 22Na and 24Na for Geochemical and Cosmochemical Important Elements by Monoenergetic 287 and 370 MeV Neutrons: Ninomiya, K.; Omoto, T.; Nakagaki, R.; Takahashi, N.; Shinohara, A.; Sekimoto, S.; Utsunomiya, T.; Yashima, H.; Shibata, S.; Shima, T.; Kinoshita, N.; Matsumura, H.; Hagiwara, M.; Iwamoto, Y.; Satoh, D.; Caffee, M. W.; Welten, K. C.; Imamura, M.; Nishiizumi, K.; Proc. Radiochem. 1, 123-126 (2011).

Fluorido Complex Formation of Element 104, Rutherfordium (Rf): Ishii, Y.; Toyoshima, A.; Tsukada, K.; Asai, M.; Li, Z.; Nagame, Y.; Miyashita, S.; Mori, T.; Suganuma, H.; Haba, H.; Goto, S.; Kudo, H.; Akiyama, K.; Oura, Y.; Shinohara, A.; Schädel, M.; Pershina, V.; Kratz, J. V.; Bull. Chem. Soc. Jpn. 9, 903-911 (2011).

Determination of the half-life of the ground state of 229Th by using 232U and 233U decay series: Kikunaga, H.; Suzuki, T.; Nomura, M.; Mitsugashira, T.; Shinohara, A.; Phys. Rev. C 84, 014316, 1-5 (2011).

Negative Muon Capture on Nitrogen Oxide Molecules: Ninomiya, K,; Ito, T. U,; Higemoto, W.; Kita, M.; Shinohara, A.; Nagatomo, T.; Kubo, K.; Strasser, P.; Kawamura, N.; Shimomura, K.; Miyake, Y.; Miura, T.; J. Kor. Phys. Soc. 59, 2917-2920 (2011).

Production and decay properties of the 1.9-s isomeric state in 261Rf: Haba, H.; Kaji, D.; Kikunaga, H.; Kudou, Y.; Morimoto, K.; Morita, K.; Ozeki, K.; Sumita, T.; Yoneda, A.; Kasamatsu, Y.; Komori, Y.; Ooe, K.; Shinohara, A.; Phys. Rev. C 83, 034602, 1-7 (2011).

2010

Synthesis, spectroscopic and electrochemical properties, and electronic structures of octahedral hexatechnetium(III) clusters [Tc6Q8(CN)6]4- (Q = S, Se): Yoshimura, T.; Ikai, T.; Takayama, T.; Sekine, T.; Kino, Y.; Shinohara, A.; Inorg. Chem. 49, 5876-5882 (2010).

Superheavy Element Nuclear Chemistry at RIKEN: Haba, H.; Kaji, D.; Kasamatsu, Y.; Kikunaga, H.; Komori, Y.; Kudou, Y.; Morimoto, K.; Morita, K.; Ooe, K.; Ozeki, K.; Sato, N. Shinohara, A.; Toyoshima, A.; Yokoyama, A.; Yoneda, A.; Yoshimura, T.; AIP Conference Proceedings 1235, 356-362 (2010).

Photoluminescent properties of chalcobromide-capped octahedral hexarhenium(III) complexes [{Re6Q8-nBrn}Br6]n-4 (Q = Se, n = 1-3; Q = S, n = 1, 2): Yoshimura, T.; Matsuda, A.; Ito, Y.; Ishizaka, S.; Shinoda, S.; Tsukube, H.; Kitamura, N.; Shinohara, A.; Inorg. Chem. 49, 3473-3481 (2010).

Synthesis, structures, and properties of new chalcogenide-capped octahedral hexatechnetium(III) complexes [Tc6S8X6]4- (X = Br, I), [Tc6Se8I2], and [Tc6Te15]: Yoshimura, T.; Ikai, T.; Tooyama, Y.; Takayama, T.; Sekine, T.; Kino, Y.; Kirishima, A.; Sato, N.; Mitsugashira, T.; Takahashi, N.; Shinohara, A.; Eur. J. Inorg. Chem. 8, 1214-1219 (2010).

Excited-state properties of octahedral hexarhenium(III) complexes with redox-active N-heteroaromatic ligands: Yoshimura, T.; Suo, C.; Tsuge, K.; Ishizaka, S.; Nozaki, K.; Sasaki, Y.; Kitamura, N.; Shinohara, A.; Inorg. Chem. 49, 531-540 (2010).

Extraction chromatographic behavior of Rf, Zr, and Hf in HCl solution with styrene-divinylbenzene copolymer resin modified by TOPO (trioctylphosphine oxide): Toyoshima, A.; Kasamatsu, Y.; Tsukada, K.; Asai, M.; Ishii, Y.; Toume, H.; Nishinaka, I.; Sato, T. K.; Nagame, Y.; Schädel, M.; Haba, H.; Goto, S.; Kudo, H.; Akiyama, K.; Oura, Y.; Ooe, K.; Shinohara, A.; Sueki, K.; Kratz, J. V.; J. Nucl. Radiochem. Sci. 11, 7-11 (2010).

2009

Poly[(μ2-2-hydroxy-2-methylpropionato-κ3-O1,O2:O1')(μ2-2-hydroxy-2-methylpropionato-κ2O1: κO1')dioxido-uranium(VI)]: Yoshimura, T.; Kikunaga, H.; Shinohara, A.; Acta Cryst. E E65, m355-356 (2009).

Development of a rapid source preparation method for high-resolution α-particle spectrometry: Kikunaga, H.; Kasamatsu, Y.; Takamiya, K.; Ohtsuki, T.; Yuki, H.; Yokoyama, A.; Nakanishi, T.; Mitsugashira, T.; Appl. Radiat. Isot. 67, 539-543 (2009).

Half-life estimation of the first excited state of 229Th by using α-particle spectrometry: Kikunaga, H.; Kasamatsu, Y.; Haba, H.; Mitsugashira, T.; Hara, M.; Takamiya, K.; Ohtsuki, T.; Yokoyama, A.; Nakanishi, T.; Shinohara, A.; Phys. Rev. C 80, 034315-1-4 (2009).

Anionic fluoro complex of element 105, Db: Kasamatsu, Y.; Toyoshima, A.; Asai, M.; Tsukada, K.; Li, Z.; Ishii, Y.; Toume, H.; Sato, T. K.; Kikuchi, T.; Nishinaka, I.; Nagame, Y.; Haba, H.; Kikunaga, H.; Kudou, Y.; Oura, Y.; Akiyama, K.; Sato, W.; Ooe, K.; Fujisawa, H.; Shinohara, A.; Goto, S.; Hasegawa, T.; Kudo, H.; Nanri, T.; Araki, M.; Kinoshita, N.; Yokoyama, A.; Fan, F.; Qin, Z.; Düllmann, Ch E.; Schädel, M.; Kratz, J. V.; Chem. Lett. 38, 1084-1085 (2009).

Adsorption of Nb, Ta and Pa on anion exchanger in HF and HF/HNO3 solutions: Model experiments for the chemical study of Db: Kasamatsu, Y.; Toyoshima, A.; Haba, H.; Toume, H.; Tsukada, K.; Akiyama, K.; Yoshimura, T.; Nagame, Y.; J. Radioanal. Nucl. Chem. 279, 371-376 (2009).

Oxidation of element 102, Nobelium, with flow electrolytic column chromatography on an atom-at-a-time scale: Toyoshima, A.; Kasamatsu, Y.; Tsukada, K.; Asai, M.; Kitatsuji, Y.; Ishii, Y.; Toume, H.; Nishinaka, I.; Haba, H.; Ooe, K.; Sato, W.; Shinohara, A.; Akiyama, K.; Nagame, Y.; J. Am. Chem. Soc. 131, 9180-9181 (2009).

Decay properties of 266Bh and 262Db produced in the 248Cm + 23Na reaction: Morita, K.; Morimoto, K.; Kaji, D.; Haba, H.; Ozeki, K.; Kudou, Y.; Sato, N.; Sumita, T.; Yoneda, A.; Ichikawa, T.; Fujimori, Y.; Goto, S.; Ideguchi, E.; Kasamatsu, Y.; Katori, K.; Komori, Y.; Koura, H.; Kudo, H.; Ooe, K.; Ozawa, A.; Tokanai, F.; Tsukada, K.; Yamaguchi, T.; Yoshida, A.; J. Phys. Soc. Jpn. 78, 064201-1-6 (2009).

RIKEN gas-filled recoil Ion separator (GARIS) as a promising interface for superheavy element chemistry - Production of element 104, 261Rf, using the GARIS/Gas-jet system -: Haba, H.; Kaji, D.; Komori, Y.; Kudou, Y.; Morimoto, K.; Morita, K.; Ooe, K.; Ozeki, K.; Sato, N.; Shinohara, A. Yoneda A.; Chem. Lett. 38, 426-427 (2009).

Adsorption of Db and its homologues Nb and Ta, and the pseudo-homologue Pa on anion-exchange resin in HF solution: Tsukada, K.; Haba, H.; Asai, M.; Toyoshima, A.; Akiyama, K. Kasamatsu, Y.; Nishinaka, I.; Ichikawa, S.; Yasuda, K.; Miyamoto, Y.; Hashimoto, K.; Nagame, Y.; Goto, S.; Kudo, H.; Sato, W.; Shinohara, A.; Oura, Y.; Sueki, K.; Kikunaga, H.; Kinoshita, N.; Yokoyama, A.; Schädel, M.; Brüchle, W.; Kratz, J. V.; Radiochim. Acta 97, 83-89 (2009).

2008

Development of an electrochemistry apparatus for the heaviest elements: A. Toyoshima, Y. Kasamatsu, A. Kitatsuji, K. Tsukada, H. Haba, A. Shinohara, and Y. Nagame; Radiochim. Acta 96, 323-326 (2008).

Fluoride Complexation of Element 104, Rutherfordium (Rf), Investigated by Cation-Exchange Chromatography: Y. Ishii, A. Toyoshima, K. Tsukada, M. Asai, H. Toume, I. Nishinaka, Y. Nagame, S. Miyashita, T. Mori, H. Suganuma, H. Haba, M. Sakamaki, S. Goto, H. Kudo, K. Akiyama, Y. Oura, H. Nakahara, Y. Tashiro, A. Shinohara, M. Schädel, W. Brüchle, V. Pershina, and J. V. Kratz; Chem. Lett. 37(3), 288-289 (2008).

Observation of local fields at 111Cd(←111In) sites in aluminum-doped ZnO: Wataru Sato, Yasufumi Komeno, Minoru Tanigaki, Akihiro Taniguchi, Satoshi Kawata, and Yoshitaka Ohkubo; Journal of the Physical Society of Japan 77, 105001(1-2) (2008).

Temperature-dependent behavior of impurity atoms implanted in highly oriented pyrolytic graphite ― An application of a new online TDPAC method: Wataru Sato, Hideki Ueno, Hiroshi Watanabe, Hisanori Miyoshi, Akihiro Yoshimi, Daisuke Kameda, Takashi Ito, Kenzi Shimada, Jou Kaihara, Shinichi Suda, Yoshio Kobayashi, Atsushi Shinohara, Yoshitaka Ohkubo, and Koichiro Asahi; Journal of the Physical Society of Japan 77, 095001(1-2) (2008).

Local fields and conduction-electron behavior at impurity sites in indium-doped ZnO: W. Sato, Y. Itsuki, S. Morimoto, H. Susuki, S. Nasu, A. Shinohara, and Y. Ohkubo; Physical Review B 78, 045319(1-5) (2008).

Rattling motion of 140Ce(←140La) confined in the hexaboride cage: W. Sato, A. Shinohara, and Y. Ohkubo; Physical Review B 78, 012301(1-4) (2008).

Online time-differential perturbed angular correlation study with an 19O beam ― Residence sites of oxygen atoms in highly oriented pyrolytic graphite: W. Sato, H. Ueno, H. Watanabe, H. Miyoshi, A. Yoshimi, D. Kameda, T. Ito, K. Shimada, J. Kaihara, S. Suda, Y. Kobayashi, A. Shinohara, Y. Ohkubo, and K. Asahi; Nucl. Instr. Meth. Phys. Res. B 266, 316-322 (2008).

Hexafluoro complex of rutherfordium in mixed HF/HNO3 solutions: A. Toyoshima, H. Haba, K. Tsukada, M. Asai, K. Akiyama, S. Goto, Y. Ishii, I. Nishinaka, T. K. Sato, Y. Nagame, W. Sato, Y. Tani, H. Hasegawa, K. Matsuo, D. Saika, Y. Kitamoto, A. Shinohara, M. Ito, J. Saito, H. Kudo, A. Yokoyama, M. Sakama, K. Sueki, Y. Oura, H. Nakahara, M. Schädel, W. Brüchle, and J. V. Kratz; Radiochim. Acta 96, 125-134 (2008).

Development of an online preparation system for multitracer solutions: Y. Kasamatsu, M. Yatsukawa, W. Sato, K. Ninomiya, T. Ohki, N. Takahashi, A. Yokoyama, H. Kikunaga, N. Kinoshita, S. Shibata, and A. Shinohara; Appl. Radiat. Isotopes 66, 271-277 (2008).

2007

Photochemical reaction of CpFe(CO)2SiMe3 (Cp = η5-C5H5) with a trihydrosilane containing a bulky amino substituent, bis(trimethylsilyl)aminosilane: Masakazu Hirotsu, Takuo Nishida, Hiromitsu Sasaki, Takako Muraoka, Takashi Yoshimura, and Keiji Ueno; Organometallics 26, 2495-2498 (2007).

Local magnetic field of a perovskite manganite La0.7Ca0.3MnO3: W. Sato, N. Ochi, A. Taniguchi, T. Terai, T. Kakeshita, A. Shinohara, and Y. Ohkubo; J. Nucl. Radiochem. Sci. 8(2), 89-92 (2007).

TDPAC and its application to chemistry: Y. Ohkubo, Y. Murakami, W. Sato, and A. Yokoyama; J. Nucl. Radiochem. Sci. 8(2), 79-84 (2007).

Development of on-line solvent extraction system with microchips for heavy element chemistry: K. Ooe, Y. Tashiro, D. Saika, Y. Kitamoto, K. Matsuo, T. Takabe, T. Kuribayashi, N. Takahashi, T. Yoshimura, W. Sato, K. Takahisa, and A. Shinohara; J. Nucl. Radiochem. Sci. 8(2), 59-62 (2007).

Development of Gas-jet Transport System Coupled to the RIKEN Gas-filled Recoil Ion Separator GARIS for Superheavy Element Chemistry: H. Haba, D. Kaji, H. Kikunaga, T. Akiyama, N. Sato, K. Morimoto, A. Yoneda. K. Morita, T. Takabe, and A. Shinohara; J. Nucl. Radiochem. Sci. 8(2), 55-58 (2007).

Time-dependent quadrupole interactions for 140Ce ions implanted in highly oriented pyrolytic graphite: W. Sato, H. Ueno, A. Taniguchi, Y. Itsuki, Y. Kasamatsu, A. Shinohara, K. Asahi, K. Asai, and Y. Ohkubo; J. Radioanal. Nucl. Chem. 272, 665-668 (2007).

Study of electronic X rays emitted from pionic and muonic atoms: K. Ninomiya, H. Sugiura, T. Nakatsuka, Y. Kasamatsu, H. Kikunaga, W. Sato, T. Yoshimura, H. Matsumura, K. Takamiya, M. K. Kubo, K. Sueki, A. Yokoyama, Y. Hamajima, T. Miura, K. Nishiyama, and A. Shinohara; J. Radioanal. Nucl. Chem. 272, 661-664 (2007).

Mössbauer spectroscopic study of 57Fe species produced by 56Fe(n, γ)57Fe reaction in iron disulfide: Y. Kobayashi, Y. Tsuruoka, M. K. Kubo, H. Nonaka, Y. Yamada, Y. Sakai, H. Shoji, W. Sato, A. Shinohara, Y. Watanabe, and H. Matsue; J. Radioanal. Nucl. Chem. 272, 623-626 (2007).

Extraction behavior of rutherfordium into tributylphosphate from hydrochloric acid: H. Haba, K. Tsukada, M. Asai, A. Toyoshima, Y. Ishii, H. Toume, T. Sato, I. Nishinaka, T. Ichikawa, S. Ichikawa, Y. Nagame, W. Sato, K. Matsuo, Y. Kitamoto, Y. Tashiro, A. Shinohara, J. Saito, M. Ito, T. Ikezawa, M. Sakamaki, S. Goto, H. Kudo, H. Kikunaga, M. Arai, S. Kamataki, A. Yokoyama, K. Akiyama, K. Sueki, Y. Oura, M. Schdel, W. Brüchle, and J. V. Kratz; Radiochim. Acta 95, 1-6 (2007).

Startup of superheavy element chem.istry at RIKEN: H. Haba, T. Akiyama, D. Kaji, H. Kikunaga, T. Kuribayashi, K. Morimoto, K. Morita, K. Ooe, N. Sato, A. Shinohara, T. Takabe, Y. Tashiro, A. Toyoshima, A. Yoneda, and T. Yoshimura; Eur. Phys. J. D 45(1), 81-86 (2007).

Target Preparation by the Precipitation Method for Nuclear Reactions: K. Takamiya, T. Ohtsuki, H. Yuki, T. Mitsugashira, N. Sato, T. Suzuki, M. Fujita, T. Shinozuka, Y. Kasamatsu, H. Kikunaga, A. Shinohara, S. Shibata, and T. Nakanishi; Appl. Radiat. Isotopes 65, 32-35 (2007).

γ線摂動角相関法による炭素物質中の不純物挙動の観察: 佐藤渉; 放射線化学 84, 22-31 (2007).

高配向熱分解グラファイト中の不純物140Ceと19Fの存在状態: 佐藤渉; メスバウアー分光研究会会誌 8, 8-9 (2007).

2006

Sulfur-Bridged Dinuclear and Tetranuclear Complexes Consisting of cis-[Ru(bpy)2]2+ and cis-[Ni(aet)2] Units: T. Yoshimura, A. Shinohara, M. Hirotsu, K. Ueno, and T. Konno; Bull. Chem. Soc. Jpn. 79, 1745-1747 (2006).

Nuclear Quadrupole Relaxation of 140Ce Implanted in Highly Oriented Pyrolytic Graphite: W. Sato, H. Ueno, A. Taniguchi, Y. Itsuki, Y. Kasamatsu, A. Shinohra, K. Asahi, K. Asai, and Y. Ohkubo; Phys. Rev. B 74, 214302 (1-7) (2006).

この世で最も重い元素の化学的研究: 篠原厚; 化学 61, 42-44 (2006).

2005

Search for the decay of 229mTh by photon detection: Yoshitaka Kasamatsu, Hidetoshi Kikunaga, Koichi Takamiya, Toshiaki Mitsugashira, Takashi Nakanishi, Y. Ohkubo, Tsutomu Ohtsuki, Wataru Sato and Atsushi Shinohara; Radiochim. Acta 93, 511-514 (2005).

Energy shift of electronic X-rays emitted from pionic atoms: Kazuhiko Ninomiya, Hironori Sugiura, Yoshitaka Kasamatsu, Hidetoshi Kikunaga, Koichi Takamiya, Wataru Sato, Hiroshi Matsumura, Akihiko Yokoyama, Keisuke Sueki, Taichi Miura, Yasunori Hamajima and Atsushi Shinohara; Radiochim. Acta 93, 515-518 (2005).

Chemical studies on rutherfordium (Rf) at JAERI: Yuichi Nagame, K. Tsukada, M. Asai, A. Toyoshima, K. Akiyama, Y. Ishii, T. Kaneko-Sato, M. Hirata, I. Nishinaka, S. Ichikawa, H. Haba and Shuichi Enomoto; Radiochim. Acta 93, 519-526 (2005).

The First RuIIPdII2S3 Metallochelate Ring Formed on a [Ru(bpy)2]2+ Core: Takashi Yoshimura, Atsushi Shinohara, Masakazu Hirotsu and Takumi Konno; Chem. Lett. 34, 1310-1311 (2005).

Synthesis, Structure, and Spectroscopic Properties of fac-[TcICl(CO)3(bpy)]: Yuji Tooyama, Arinori Harano, Takashi Yoshimura, Tsutomu Takayama, Tsutomu Sekine, Hiroshi Kudo and A. Shinohara; J. Nucl. Radiochem. Sci. 6, 153-155 (2005).

A Novel Seven-coordinate Technetium(IV) Complex: Synthesis and Characterization of [TcO(tpen)]2+ (tpen = N, N, N', N'-Tetrakis(2-pyridylmethyl)ethylenediamine): Takashi Yoshimura, Masanori Kawai, Tsutomu Takayama, Tsutomu Sekine, Hiroshi Kudo and Atsushi Shinohara; Chem. Lett. 34, 1624-1625 (2005).

超重元素の化学的研究: 篠原厚，塚田和明，永目諭一郎; 日本物理学会誌 60, 709-716 (2005).

2004

Fluoride Complexation of Element 104, Rutherfordium: H. Haba, K. Tsukada, M. Asai, A. Toyoshima, K. Akiyama, l. Nishinaka, M. Hirata, T. Yaita, S. lchikawa, Y. Nagame, K. Yasuda, Y. Miyamoto, T. Kaneko, S. Goto, S. Ono, T. Hirai, H. Kudo, M. Shigekawa, A. Shinohara, Y. Oura, H. Nakahara, K. Sueki, H. Kikunaga, N. Kinoshita, N. Tsuruga, A. Yokoyama, M. Sakama, S. Enomoto, M. Schädel, W. Brüchle and J. V. Kratz; J. Am. Chem. Soc. 126, 5219-5224 (2004).

Elution Curve of Rutherfordium (Rf) in Anion-Exchange Chromatography with Hydrofluoric Acid Solution: A. Toyoshima, H. Haba, K. Tsukada, M. Asai, K. Akiyama, I. Nishinaka, Y. Nagame, D. Saika, K. Matsuo, W. Sato, A. Shinohara, H. Ishizu, M. Ito, J. Saito, S. Goto, H. Kudo, H. Kikunaga, N. Kinoshita, C. Kato, A. Yokoyama, and K. Sueki; J. Nucl. Radiochem. Sci. 5(2), 45-48 (2004).

Application of the High-Spin Isomer Beams to the Secondary Fusion Reaction and the Measurement of g-Factor: H. Watanabe, K. Asahi, T. Kishida, H. Ueno, W. Sato, A. Yoshimi, Y. Kobayashi, D. Kameda, H. Miyoshi, T. Fukuchi, Y. Wakabayashi, T. Sasaki, M. Kibe, N. Hokoiwa, A. Odahara, B. Cederwall, K. Lagergren, Zs. Podolyak, M. Ishihara, and Y. Gono; Nucl. Phys. A 746, 540c-543c (2004).

Study on the Transient Field at Very High Velocities for the g-Factor Measurement of Excited States in Unstable Nuclei: A. Yoshimi, H. Ueno, W. Sato, H. Watanabe, Y. Kobayashi, J. Murata, H. Miyoshi, K. Shimada, and K. Asahi; Nucl. Phys. A 738, 519-522 (2004).

Measurement of Nuclear Moments in the Region of Light Neutron-Rich Nuclei: H. Ueno, K. Asahi, H. Ogawa, D. Kameda, H. Miyoshi, A. Yoshimi, H. Watanabe, K. Shimada, W. Sato, K. Yoneda, N. Imai, Y. Kobayashi, M. Ishihara, and W.-D. Schmidt-Ott; Nucl. Phys. A 738, 211-255 (2004).

Recent Result from the Nuclear Moment Measurements Using a Spin Polarized Radioactive Beam: D. Kameda, K. Asahi, H. Ueno, A. Yoshimi, H. Watanabe, H. Miyoshi, K. Shimada, J. Murata, Y. Kobayashi, G. Kato, S. Emori, W. Sato, and H. Ogawa; Nucl. Phys. A 734, 481-484 (2004).

Lifetime of a New High-Spin Isomer in 150Dy: H. Watanabe, Y. Wakabayashi, Y. Gono, T. Fukuchi, H. Ueno, W. Sato, A. Yoshimi, D. Kameda, H. Miyoshi, T. Kishida, Y. Kobayashi, T. Morikawa, S. Motomura, O. Kashiyama, K. Saito, A. Odahara, and K. Asahi; Eur. Phys. J. A 19, 163-167 (2004).

Energy Shift of Electronic X rays Emitted from Pionic Atoms: K. Ninomiya, H. Sugiura, Y. Kasamatsu, H. Kikunaga, N. Kinoshita, Y. Tani, H. Hasegawa, M. Yatsukawa, K. Takamiya, W. Sato, H. Matsumura, A. Yokoyama, K. Sueki, Y. Hamajima, T. Miura, and A. Shinohara; KEK Preprint 2004-98 (2004).

2003

Radioisotope Production in Target Fragmentation with High-Energy Heavy Ions at HIMAC: A. Yokoyama, T. Murae, N. Kinoshita, H. Kikunaga, T. Ohki, M. Shigekawa, Y. Kasamatsu, A. Shinohara, S. Shibata and T. Saito; Czechoslovak Journal of Physics 53, A411-A416 (2003).

Transactinide Nuclear Chemistry at JAERI: Y. Nagame, H. Haba, K. Tsukada, M. Asai, K. Akiyama, M. Hirata, I. Nishinaka, S. Ichikawa, H. Nakahara, S. Goto, T. Kaneko, H. Kudo, A. Toyoshima, A. Shinohara, M. Schädel, J. V. Kratz, H. W. Gäggeler and A. Türler; Czechoslovak Journal of Physics 53, A299-A304 (2003).

Time-Differential Perturbed Angular Correlation of 140Ce Implanted in Highly Oriented Pyrolytic Graphite: W. Sato, Y. Kasamatsu, Y. Ohkubo, A. Taniguchi and A. Shinohara; J. Nucl. Radiochem. Sci. 4(1), 15-18 (2003).

Structural Studies on the Stepwise Chelating Processes of Bidentate 2-(Aminomethyl)pyridine and Tridentate Bis(2-pyridylmethyl)amine toward an Acetate-Bridged Dirhodium(II) Center: T. Yoshimura, K. Umakoshi and Y. Sasaki; Inorg. Chem. 42, 7106-7115 (2003).

Preparation, Structures, and Redox and Emission Characteristics of the Isothiocyanate Complexes of Hexarhenium(III) Clusters [Re6(μ3-E)8(NCS)6]4- (E = S, Se): T. Yoshimura, Z. N. Chen, A. Itasaka, M. Abe, Y. Sasaki, S. Ishizaka, N. Kitamura, Spartak S. Yarovoi, Sergey F. Solodovnikov, and Vladimir E. Fedorov; Inorg. Chem. 42, 4857-4863 (2003).

Identification of the New Isotope 241Bk: M. Asai, K. Tsukada, S. Ichikawa, M. Sakama, H. Haba, Y. Nagame, I. Nishinaka, K. Akiyama, A. Toyoshima, T. Kaneko, Y. Oura, Y. Kojima and M. Shibata; Eur. Phys. J. A 16, 17-19 (2003).

Anion Exchnage Behavior of Nobelium: A. Toyoshima, K. Tsukada, H. Haba, M. Asai, S. Goto, K. Akiyama, I. Nishinaka, K. Akiyama, S. Ichikawa, Y. Nagame and A. Shinohara; J. Radioanal. Nucl. Chem. 255, 485-487 (2003).

Valence States of 57Fe Decayed from 57Mn Implanted into KMnO4: Y. Kobayashi, M. K. Kubo, Y. Yamada, T. Saito, H. Ueno, H. Ogawa, W. Sato, K. Yoneda, H. Watanabe, N. Imai, H. Miyoshi and K. Asahi; J. Radioanal. Nucl. Chem. 255, 403-406 (2003).

On-line TDPAC Studies with the 19O beam: W. Sato, H. Ueno, H. Watanabe, H. Ogawa, H. Miyoshi, N. Imai, A. Yoshimi, K. Yoneda, D. Kameda, Y. Kobayashi and K. Asahi; J. Radioanal. Nucl. Chem. 255, 183-186 (2003).

Alpha-Decay from the 3.5 eV Isomer of 229Th: T. Mitsugashira, M. Hara, T. Ohtsuki, H. Yuki, K. Takamiya, Y. Kasamatsu, A. Shinohara, H. Kikunaga and T. Nakanishi; J. Radioanal. Nucl. Chem. 255, 63-66 (2003).

2002

Decay Studies of Neutron-Deficient Am, Cm, and Bk Nuclei Using an On-line Isotope Separator: M. Asai, M. Sakama, K. Tsukada, S. Ichikawa, H. Haba, I. Nishinaka, Y. Nagame, S. Goto, K. Akiyama, A. Toyoshima, Y. Kojima, Y. Oura, H. Nakahara, M. Shibata and K. Kawade; J. Nucl. Radiochem. Sci. 3(1), 187-190 (2002).

Anion Exchange Behavior of Rf in HCl and HNO3 Solutions: H. Haba, K. Tsukada, M. Asai, S. Goto, A. Toyoshima, I. Nishinaka, K. Akiyama, M. Hirata, S. Ichikawa, Y. Nagame, Y. Shoji, M. Shigekawa, T. Koike, M. Iwasaki, A. Shinohara, T. Kaneko, T. Maruyama, S. Ono, H. Kudo, Y. Oura, K. Sueki, H. Nakahara, M. Sakama, A. Yokoyama, J. V. Krtaz, M. Schädel and W. Brüchle; J. Nucl. Radiochem. Sci. 3(1), 143-146 (2002).

Status and Prospects of Heavy Element Nuclear Chemistry Research at JAERI: Y. Nagame, M. Asai, H. Haba, K. Tsukada, S. Goto, M. Sakama, I. Nishinaka, A. Toyoshima, K. Akiyama and S. Ichikawa; J. Nucl. Radiochem. Sci. 3(1), 129-132, (2002).

Production Cross Sections of 261Rf and 262Db in Bombardments of 248Cm with 18O and 19F Ions: Y. Nagame, M. Asai, H. Haba, S. Goto, K. Tsukada, I. Nishinaka, K. Nishio, S. Ichikawa, A. Toyoshima, K. Akiyama, H. Nakahara, M. Sakama, M. Schädel, J. V. Kratz, H. W. Gäggeler and A. Türler; J. Nucl. Radiochem. Sci. 3(1), 85-88 (2002).

Assignment of the Ground-State Spin-Parity for 17C through g-Factor Measurement: H. Ogawa, K. Asahi, H. Ueno, H. Miyoshi, D. Kameda, K. Yoneda, H. Watanabe, N. Imai, T. Suga, A. Yoshimi, W. Sato, K. Sakai, K. Yogo, Y. Kobayashi, A. Yoshida, T. Kubo and M. Ishihara; Prog. Theor. Phys. Sup. 146, 607-608 (2002).

2001

Pion Transfer Process of Pionic Atoms in the Gas Mixtures Containing Hydrogen at Various Pressures: A. Shinohara, T. Miura, A. Yokoyama, K. Takamiya, T. Kaneko, T. Muroyama, T. Saito, Y. Hamajima, H. Muramatsu, S. Kojima, H. Baba, and M. Furukawa; Radiochim. Acta 89, 849-852 (2001).

Startup of Transactinide Chemistry in JAERI: H. Haba, K. Tsukada, M. Asai, I. Nishinaka, M. Sakama, S. Goto, M. Hirata, S. Ichikawa, Y. Nagame, T. Kaneko, H. Kudo, A. Toyoshima, Y. Shoji, A. Yokoyama, A. Shinohara, Y. Oura, K. Sueki, H. Nakahara, M. Schädel, J. V. Krata, A. Türler, and H. W. Gäggeler; Radiochim. Acta 89, 733-736 (2001).

Radiochemical Study on the Mechanism of Target Fragmentation of Cu, Nb, Pr and Au Target Induced by 12C and 40Ar Projectiles: A. Yokoyama, S. Morimoto, H. Araki, J. Sanada, H. Baba, A. Shinohara, S. Shibata, T. Saito, and Y. Ohkubo; Radiochim. Acta 89, 703-706 (2001).

2000

Preparation of Multitracer by Thermal Neutron Fission of 235U: K. Takamiya, M. Akamine, S. Shibata, A. Toyoshima, Y. Kasamatsu, and A. Shinoharaa; J. Nucl. Radiochem. Sci. 1(2), 81-82 (2000).

Formation Process of Pionic Atoms and Their Behavior in Material Phases: Atsushi Shinohara; J. Nucl. Radiochem. Sci. 1(1), 33-37 (2000).

1999

Behavior of Pionic Hydrogen Atoms in Gas and Liquid Phases: A. Shinohara, T. Muroyama, T. Miura, A. Yokoyama, T. Takamiya, T. Kaneko, T. Saito, J. Sanada, H. Araki, S. Kojima, Y. Hamajima, H. Muramatsu, H. Baba, and M. Furukawa; J. Radioanal. Nucl. Chem. 239, 169-173 (1999).

Negative Pion Transfer Process in a Hydrogen-Containing Gas Mixture: T. Muroyama, A. Shinohara, T. Saito, A. Yokoyama, K. Takamiya, S. Morimoto, K. Nakanishi, H. Baba, T. Miura, Y. Hamajima, T. Kaneko, H. Muramatsu, S. Kojima, and M. Furukawa; J. Radioanal. Nucl. Chem. 239, 159-163 (1999).

Reaction Mechanism for The Target-Like Products from The 197Au Target Bombarded with 12C Ions of Energies above 100 MeV/u: A. Yokoyama, S. Morimoto, T. Inoue, J. Sanada, H. Araki, T. Saito, H. Baba, S. Shibata, A. Shinohara, T. Muroyama, and Y. Ohkubo; J. Radioanal. Nucl. Chem. 239, 143-149 (1999).