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Journal Articles

Validation of the multinucleon transfer method for the determination of the fission barrier height

Kean, K. R.; Nishio, Katsuhisa; Hirose, Kentaro; Vermeulen, M. J.; Makii, Hiroyuki; Orlandi, R.; Tsukada, Kazuaki; Andreyev, A. N.; Tsekhanovich, I.*; Chiba, Satoshi*

Physical Review C, 100(1), p.014611_1 - 014611_6, 2019/07

 Times Cited Count:3 Percentile:32.18(Physics, Nuclear)

Journal Articles

Remarks on the fission barriers of super-heavy nuclei

Hofmann, S.*; Heinz, S.*; Mann, R.*; Maurer, J.*; M$"u$nzenberg, G.*; Antalic, S.*; Barth, W.*; Dahl, L.*; Eberhardt, K.*; Grzywacz, R.*; et al.

European Physical Journal A, 52(4), p.116_1 - 116_12, 2016/04

 Times Cited Count:29 Percentile:88.12(Physics, Nuclear)

Journal Articles

Fission barrier of superheavy nuclei and persistence of shell effects at high spin; Cases of $$^{254}$$No and $$^{220}$$Th

Henning, G.*; Khoo, T. L.*; Lopez-Martens, A.*; Seweryniak, D.*; Alcorta, M.*; Asai, Masato; Back, B. B.*; Bertone, P. F.*; Boilley, D.*; Carpenter, M. P.*; et al.

Physical Review Letters, 113(26), p.262505_1 - 262505_6, 2014/12

 Times Cited Count:34 Percentile:83.02(Physics, Multidisciplinary)

Fission barrier heights of a shell-stabilized superheavy nucleus $$^{254}$$No have been determined as a function of spin up to 19$$hbar$$ through the measured distribution of entry points of $$gamma$$ deexcitations in the excitation energy vs. spin plane. The fission barrier height of $$^{254}$$No was determined to be 6.0 MeV at spin 15$$hbar$$, and 6.6 MeV at spin 0$$hbar$$ by extrapolation. This demonstrates that the shell effect actually enlarges the fission barrier in such heavy nuclei and keeps the barrier high even at high spin.

Journal Articles

Exploring the stability of super heavy elements; First measurement of the fission barrier of $$^{254}$$No

Henning, G.*; Lopez-Martens, A.*; Khoo, T. L.*; Seweryniak, D.*; Alcorta, M.*; Asai, Masato; Back, B. B.*; Bertone, P. F.*; Boilley, D.*; Carpenter, M. P.*; et al.

EPJ Web of Conferences, 66, p.02046_1 - 02046_8, 2014/03

 Times Cited Count:3 Percentile:69.7(Physics, Nuclear)

Fission barrier heights of $$^{254}$$No have been determined through the entry distribution method. The entry distribution is the initial distribution of excitation energy and spin from which the $$gamma$$ deexcitation starts in the fusion-evaporation reaction. The initial distribution is extracted from measured $$gamma$$-ray multiplicity and total $$gamma$$-ray energy. This paper describes the details of the entry distribution method, and reports the first determination of the fission barrier heights of $$^{254}$$No, which is the heaviest nucleus whose fission barrier has been measured.

Journal Articles

Five-dimensional fission-barrier calculations from $$^{70}$$Se to $$^{252}$$Cf

M$"o$ller, P.*; Sierk, A. J.*; Iwamoto, Akira

Physical Review Letters, 92(7), p.072501_1 - 072501_4, 2004/02

 Times Cited Count:154 Percentile:95.59(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Fragment mass distribution of the $$^{239}$$Pu(${it d,pf}$) reaction via the superdeformed $$beta$$-vibrational resonance

Nishio, Katsuhisa; Ikezoe, Hiroshi; Nagame, Yuichiro; Mitsuoka, Shinichi; Nishinaka, Ichiro; Duan, L.*; Sato, Kenichiro; Goto, Shinichi*; Asai, Masato; Haba, Hiromitsu; et al.

Physical Review C, 67(1), p.014604_1 - 014604_5, 2003/01

 Times Cited Count:9 Percentile:52.73(Physics, Nuclear)

no abstracts in English

Journal Articles

Fission characteristics of individual deformation paths in heavy elements

Zhao, Y. L.*; Nishinaka, Ichiro; Nagame, Yuichiro; Tsukada, Kazuaki; Sueki, Keisuke*; Tanikawa, Masashi*; Goto, Shinichi*; Nakahara, Hiromichi*

Journal of Nuclear and Radiochemical Sciences, 3(1), p.103 - 107, 2002/06

no abstracts in English

Journal Articles

Nuclear fission modes and fragment mass asymmetries in a five-dimensional deformation space

M$"o$ller, P.*; Madland, D. G.*; Sierk, A. J.*; Iwamoto, Akira

Nature, 409(6822), p.785 - 789, 2001/02

 Times Cited Count:287 Percentile:99.33(Multidisciplinary Sciences)

no abstracts in English

Journal Articles

Realistic fission saddle-point shapes

M$"o$ller, P.*; Iwamoto, Akira

Physical Review C, 61(4), p.047602_1 - 047602_4, 2000/04

 Times Cited Count:8 Percentile:45.73(Physics, Nuclear)

no abstracts in English

Journal Articles

Angular momentum effects on mass division in actinide fission

Zhao, Y.*; Tanikawa, Masashi*; Sueki, Keisuke*; Nishinaka, Ichiro; Tsukada, Kazuaki; Oura, Yasutsugu*; Nagame, Yuichiro; Nakahara, Hiromichi*

Radiochimica Acta, 86(3-4), p.79 - 88, 1999/00

no abstracts in English

Journal Articles

Nuclear fission of neutron-deficient protactinium nuclides

Nishinaka, Ichiro; Nagame, Yuichiro; Tsukada, Kazuaki; Ikezoe, Hiroshi; Sueki, Keisuke*; Nakahara, Hiromichi*; Tanikawa, Masashi*; Otsuki, Tsutomu*

Physical Review C, 56(2), p.891 - 899, 1997/08

 Times Cited Count:20 Percentile:71.99(Physics, Nuclear)

no abstracts in English

Journal Articles

Bimodal nature in low energy fission of light actinides

Nagame, Yuichiro; Nishinaka, Ichiro; Tsukada, Kazuaki; ; Ikezoe, Hiroshi; Y.L.Zhao*; Oura, Yasutsugu*; Sueki, Keisuke*; Nakahara, Hiromichi*; *; et al.

Radiochimica Acta, 78, p.3 - 10, 1997/00

no abstracts in English

Journal Articles

Two deformation paths in proton-induced fission of $$^{232}$$Th

Nagame, Yuichiro; Nishinaka, Ichiro; Tsukada, Kazuaki; Oura, Yasutsugu*; ; Ikezoe, Hiroshi; Y.L.Zhao*; Sueki, Keisuke*; Nakahara, Hiromichi*; *; et al.

Physics Letters B, 387, p.26 - 30, 1996/00

 Times Cited Count:44 Percentile:87.54(Astronomy & Astrophysics)

no abstracts in English

Journal Articles

Systematic variation of fission barrier heights for symmetric and asymmetric mass divisions

Otsuki, Tsutomu*; Nakahara, Hiromichi*; Nagame, Yuichiro

Physical Review C, 48(4), p.1667 - 1676, 1993/10

 Times Cited Count:28 Percentile:82.56(Physics, Nuclear)

no abstracts in English

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