Independent isomeric yield ratios of fission products in the epi-cadmium neutron induced fission of 241Pu

被引：3

作者：

Naik, Haladhara ^{[1
]}

Singh, Ram Janam ^{[1
]}

Dange, Srikant Pandurang ^{[1
]}

Jang, Wooyoung ^{[2
]}

机构：

[1] Bhabha Atom Res Ctr, Radiochem Div, Mumbai 400085, India

[2] Kyungpook Natl Univ, Dept Phys, Daegu 41566, South Korea

来源：

RADIOCHIMICA ACTA | 2023年 / 111卷 / 11期

关键词：

Pu-241(n; f); reaction; epi-cadmium neutron with <E-n>=1.9 MeV; independent isomeric yield ratios; off-line & gamma; -ray spectrometry; fragment angular momenta; effect of nuclear structure; FRAGMENT ANGULAR-MOMENTUM; U-233; MODEL; ISOTOPES;

D O I：

10.1515/ract-2023-0177

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Independent isomeric yield ratios (IR) of Sb-130,Sb-132, Te-131,Te-133, I-134,I-136, Xe-135 and Cs-138 have been measured in the epi-cadmium neutron induced fission of 241Pu by using an off-line gamma-ray spectrometric technique. The average neutron energy (<En>) of the epi-cadmium reactor neutron spectrum is 1.9 MeV. From the IR values, root mean square fragment angular momenta (J RMS) were deduced by using spin dependent statistical model analysis. Effect of nuclear structure on J RMS values was examined. The present data in the epi-cadmium neutron induced fission of Pu-241 were compared with the similar data in the thermal neutron induced fission of Pu-241 to examine the role of excitation energy on fragment angular momentum.

引用

页码：793 / 800

页数：8

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