Anomalous fission fragment angular distribution in the B11+Am243 reaction at near-barrier energies

R. Tripathi, K. Sudarshan, S. Sodaye, S. K. Sharma, and A. V. R. Reddy
Phys. Rev. C 75, 024609 – Published 16 February 2007

Abstract

Fission fragment angular distributions were measured in B11+Am243 reaction in the beam energy (Elab) range of 60–72 MeV. Experimental anisotropies in B11+Am243 reaction were found to be higher than the values calculated using the statistical theory indicating contribution from noncompound nucleus fission. For B11+Am243 reaction, entrance channel mass asymmetry is higher than the Businaro-Gallone critical mass asymmetry. Observation of anomalous fission fragment angular distribution in B11+Am243 reaction possibly indicates that the target deformation plays an important role in deciding the contribution from noncompound nucleus fission.

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  • Received 13 November 2006

DOI:https://doi.org/10.1103/PhysRevC.75.024609

©2007 American Physical Society

Authors & Affiliations

R. Tripathi*, K. Sudarshan, S. Sodaye, S. K. Sharma, and A. V. R. Reddy

  • Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai-400085, India

  • *Corresponding author. Email: rahult@barc.gov.in

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Issue

Vol. 75, Iss. 2 — February 2007

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