Mass distribution in 36.2 MeV alpha induced fission of 232Th

被引：0
|
作者：
Banerjee, D. [1 ]
Nag, T. N. [2 ]
Tripathi, R. [2 ]
Raja, S. K. Wasim [1 ]
Sodaye, S. [2 ]
Pujari, P. K. [2 ]
Chakrabarti, A. [3 ,4 ]
Bhattacharjee, M. [3 ,4 ]
Doddi, L. K. [3 ,4 ]
Naik, V. [3 ,4 ]
机构：
[1] Variable Energy Cyclotron Ctr, Radiochem Div BARC, 1-AF Bidhan Nagar, Kolkata 700064, India
[2] Bhabha Atom Res Ctr, Radiochem Div, Mumbai 400085, Maharashtra, India
[3] Variable Energy Cyclotron Ctr, Radioact Ion Beam Grp, 1-AF Bidhan Nagar, Kolkata 700064, India
[4] HBNI Kolkata, 1-AF Bidhan Nagar, Kolkata 700064, India
来源：
EUROPEAN PHYSICAL JOURNAL A | 2020年 / 56卷 / 08期
关键词：
MODEL; CHARGE;
D O I：
10.1140/epja/s10050-020-00200-1
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Mass distribution of fission products has been determined in alpha+Th-232 reaction at E-lab = 36.2MeV using a particles from the cyclotron at the Variable Energy Cyclotron Centre (VECC), Kolkata. Yields of 64 fission products having half-lives in the range of about similar to 1 min to several days have been measured using gamma ray spectrometry. The mass distribution shows a clear triple humped structure indicating the contribution from both asymmetric and symmetric modes of fission. The experimental mass distribution was well reproduced by the calculation from the GEF code, which takes into account the multi-chance fission.
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页数：9
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