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Effect of Angular Momentum Transfer on Isomeric Cross-Section Ratio

Author Affiliations

  • 1Department of Physics, University of Calicut, Kerala, INDIA

Res. J. Recent Sci., Volume 3, Issue (ISC-2013), Pages 20-22, (2014)


The isomeric cross-section ratios are calculated for the reactions 113,In(a,n)116Sbm,g, 115In(,3n)116Sbm,g, 116Sn(p,n)116Sbm,g, 116Sn(d,2n)116Sbm,g, 117Sn(p,2n)116Sbm,g, 115In(,n)118Sbm,g, 116Sn(,pn)118Sbm,g, 118Sn(p,n)118Sbm,g 118Sn(d,2n)118Sbm,g, 119Sn(p,2n)118Sbm,g, 117Sn(n,p)117Inm,g, 118Sn(p,a)115Inm,g over the energy ranges from threshold up to 40 MeV using the nuclear reaction code EMPIRE 3.1. It is found that isomeric cross-section ratio depends on the spins of ground and isomeric states of residual nucleus as well as the incident energy. The isomeric cross-section ratio increases slowly for the cases where larger angular momentum ( ΔJ) is carried away by the emitted particle and increases sharply when ΔJ is smaller.


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