Post-neutron mass yield distribution in the thermal neutron induced fission of Cm

H. Naik; S. P. Dange; W. Jang; R. J. Singh

doi:10.1140/epja/s10050-020-00228-3

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2023 Impact factor 2.6

Hadrons and Nuclei

Eur. Phys. J. A (2020) 56: 227
https://doi.org/10.1140/epja/s10050-020-00228-3

Regular Article - Experimental Physics

Post-neutron mass yield distribution in the thermal neutron induced fission of ${}^{{{245}}}$ Cm

H. Naik¹^*, S. P. Dange¹, W. Jang² and R. J. Singh¹

¹ Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai, 400 085, India
² Department of Physics, Kyungpook National University, Daegu, 41566, Korea

^* e-mail: naikhbarc@yahoo.com

Received: 24 June 2020
Accepted: 17 August 2020
Published online: 9 September 2020

Abstract

In the ${}^{{245}}$ Cm(n $_{\mathrm {th}}$ , f) reaction, the cumulative and independent yields of various fission products within the mass range of 83–119 and 123–162 were measured by using an off-line $\upgamma$ -ray spectrometric technique of the unseparated or radio-chemically separated samples. Charge distribution correction was applied on the cumulative yields to obtain the post-neutron mass yield distribution. From the mass yields data, full width at tenth maximum (FWTM) of light and heavy mass wings, the average light mass ( $\langle \hbox {A}_{\mathrm {L}}\rangle$ ) and heavy mass ( $\langle \hbox {A}_{\mathrm {H}}\rangle$ ) as well as the average neutrons number ( $\langle \upnu \rangle$ ) were obtained. The mass yield distribution in the ${}^{{245}}$ Cm(n $_{\mathrm {th}}$ , f) reaction was compared with the similar data of other actinides to examine the effect of nuclear structure, standard I and standard II asymmetric mode of fission as well as the role of A $_{\mathrm {F}}$ /Z $_{\mathrm {F}}$ value of the fissioning system.