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Journal Articles

Measurements of EC and weak $$alpha$$ decays of neutron-deficient transuranium isotopes

Asai, Masato; Sakama, Minoru; Tsukada, Kazuaki; Ichikawa, Shinichi; Haba, Hiromitsu; Nishinaka, Ichiro; Nagame, Yuichiro; Goto, Shinichi; Kojima, Yasuaki*; Oura, Yasuji*; et al.

Journal of Nuclear Science and Technology, 39(Suppl.2), p.474 - 477, 2002/08

http://wwwndc.jaea.go.jp/nd2001/proc/pdf/1_0474.pdf

Neutron-deficient americium and curium isotopes with half-lives $$leq$$10 min have been produced with the tandem accelerator, and their EC and weak $$alpha$$ decays have been successfully measured through an on-line isotope separation. Decay schemes of $$^{235,236}$$Am have been established, and proton-neutron configurations in the parent and daughter nuclei have been determined. Observed $$alpha$$ transitions in $$^{233,235}$$Am were found to be the favored transitions between the $$pi 5/2^{-}[523]$$ Nilsson states. Information on nuclear structure, deformation, and atomic masses in this region were obtained.

Journal Articles

Decay studies of neutron-deficient Am, Cm, and Bk nuclei using an on-line isotope separator

Asai, Masato; Sakama, Minoru*; Tsukada, Kazuaki; Ichikawa, Shinichi; Haba, Hiromitsu; Nishinaka, Ichiro; Nagame, Yuichiro; Goto, Shinichi*; Akiyama, Kazuhiko; Toyoshima, Atsushi; et al.

Journal of Nuclear and Radiochemical Sciences, 3(1), p.187 - 190, 2002/06

https://doi.org/10.14494/jnrs2000.3.187

EC and $$alpha$$ decays of neutron-deficient americium, curium, and berkelium nuclei have been studied using the JAERI on-line isotope separator. Decay schemes of $$^{235, 236}$$Am have been established for the first time, and proton-neutron configurations in $$^{235, 236}$$Am and $$^{235, 236}$$Pu have been determined. $$alpha$$ transitions observed in $$^{233, 235}$$Am were found to be the favored transitions between the $$pi 5/2^{-}[523]$$ Nilsson states. $$Q_{alpha}$$ values of $$^{237, 238}$$Cm have been determined. Nuclear structure, deformation, and atomic masses for these nuclei were discussed.

Journal Articles

Recent results from the JAERI recoil mass separator

Mitsuoka, Shinichi; Ikezoe, Hiroshi; Ikuta, T.*; Hamada, Shingo; Nagame, Yuichiro; Tsukada, Kazuaki; Nishinaka, Ichiro; Otsuki, Tsutomu*

Journal of Radioanalytical and Nuclear Chemistry, 239(1), p.155 - 157, 1999/00

https://doi.org/10.1007/BF02349548
 Times Cited Count：0 Percentile：0.01(Chemistry, Analytical)

no abstracts in English

Journal Articles

$$alpha$$-decay properties of the new neutron deficient isotope $$^{212}$$Pa

Mitsuoka, Shinichi; Ikezoe, Hiroshi; *; Nagame, Yuichiro; Tsukada, Kazuaki; Nishinaka, Ichiro; Oura, Yasutsugu*

Physical Review C, 55(3), p.1555 - 1558, 1997/03

https://doi.org/10.1103/PhysRevC.55.1555
 Times Cited Count：28 Percentile：80.11(Physics, Nuclear)

no abstracts in English

Journal Articles

$$alpha$$ decay of a new isotope $$^{209}$$Th

Ikezoe, Hiroshi; *; Hamada, S.; Nagame, Yuichiro; Nishinaka, Ichiro; Tsukada, Kazuaki; Oura, Yasutsugu*

Physical Review C, 54(4), p.2043 - 2046, 1996/10

https://doi.org/10.1103/PhysRevC.54.2043
 Times Cited Count：21 Percentile：72.95(Physics, Nuclear)

no abstracts in English

Journal Articles

1.5,Nuclear spectroscopy

Sekine, Toshiaki

Dai-4-Pan Jikken Kagaku Kouza, 14; Kaku, Hoshasen, p.83 - 111, 1992/00

no abstracts in English

6 (Records 1-6 displayed on this page)
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