Characteristics of the asymmetric mass distribution in proton-induced fission of actinides

S. Goto; D. Kaji; I. Nishinaka; Y. Nagame; S. Ichikawa; K. Tsukada; M. Asai; H. Haba; S. Mitsuoka; K. Nishio; M. Sakama; Y. Zhao; K. Sueki; K. Tanikawa; K. Takamiya; H. Kudo; H. Nakahara

doi:10.1023/a:1022271529219

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 255: Issue 1

Characteristics of the asymmetric mass distribution in proton-induced fission of actinides

Authors:

S. Goto

S. Goto Niigata University Department of Chemistry, Faculty of Science Niigata 950-2181 Japan

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D. Kaji

D. Kaji Niigata University Department of Chemistry, Faculty of Science Niigata 950-2181 Japan

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I. Nishinaka

I. Nishinaka Japan Atomic Energy Research Institute Tokai, Ibaraki 319-1195 Japan

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Y. Nagame

Y. Nagame Japan Atomic Energy Research Institute Advanced Science Research Center Tokai-mura, Ibaraki 319-1195 Japan

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S. Ichikawa

S. Ichikawa Japan Atomic Energy Research Institute Tokai, Ibaraki 319-1195 Japan

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K. Tsukada

K. Tsukada Japan Atomic Energy Research Institute Advanced Science Research Center Tokai-mura, Ibaraki 319-1195 Japan

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M. Asai

M. Asai Japan Atomic Energy Research Institute Advanced Science Research Center Tokai-mura, Ibaraki 319-1195 Japan

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H. Haba

H. Haba Japan Atomic Energy Research Institute Advanced Science Research Center Tokai-mura, Ibaraki 319-1195 Japan

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S. Mitsuoka

S. Mitsuoka Japan Atomic Energy Research Institute Tokai, Ibaraki 319-1195 Japan

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K. Nishio

K. Nishio Japan Atomic Energy Research Institute Tokai, Ibaraki 319-1195 Japan

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M. Sakama

M. Sakama Tokyo Metropolitan University Department of Chemistry Hachioji, Tokyo 192-0397 Japan

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Y. Zhao

Y. Zhao Chinese Academy of Science Institute of High Energy Physics Beijing 100039 P.R. China

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K. Sueki

K. Sueki Tokyo Metropolitan University Graduate School of Science Hachioji, Tokyo 192-0397 Japan

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K. Tanikawa

K. Tanikawa The University of Tokyo Department of Chemistry Bunkyo-ku, Tokyo 113-0033 Japan

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K. Takamiya

K. Takamiya Kyoto University Research Reactor Institute Kumatori, Osaka 590-0494 Japan

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H. Kudo

H. Kudo Niigata University Department of Chemistry Niigata 950-2181 Japan

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H. Nakahara

H. Nakahara Tokyo Metropolitan University Graduate School of Science Hachioji, Tokyo 192-0397 Japan

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Pages:: 73–76

Online Publication Date:: 01 Nov 2004

Publication Date:: 17 Jan 2003

Article Category:: Research Article

DOI:: https://doi.org/10.1023/a:1022271529219

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Abstract

To study the correlation between fragment mass distributions and shell structures of fission fragments, fragment mass and energy distributions in proton-induced fission of ²³²Th and uranium isotopes, ^233,235,238U, were precisely measured using a double-TOF method. It was found that the lighter side of the heavier wing of asymmetric mass distributions shifts to larger fragment mass number corresponding to the N/Z value of the fissioning nucleus. The results are explained qualitatively by the change of the most probable mass number of fission fragments of Z = 50 proton-shell.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)