Fusion cross sections for Li6,7 + Mg24 reactions at energies below and above the barrier

M. Ray, A. Mukherjee, M. K. Pradhan, Ritesh Kshetri, M. Saha Sarkar, R. Palit, I. Majumdar, P. K. Joshi, H. C. Jain, and B. Dasmahapatra
Phys. Rev. C 78, 064617 – Published 30 December 2008

Abstract

Measurement of fusion cross sections for the Li6,7 + Mg24 reactions by the characteristic γ-ray method has been done at energies from below to well above the respective Coulomb barriers. The fusion cross sections obtained from these γ-ray cross sections for the two systems are found to agree well with the total reaction cross sections at low energies. The relatively large difference between total cross sections and measured fusion cross sections at higher energies is consistent with the fact that other channels, in particular breakup, open up with an increase of bombarding energy. The breakup channel, however, appears not to have any influence on fusion cross sections. The critical angular momenta (lcr) deduced from the fusion cross sections are found to have an energy dependence similar to other Li-induced reactions.

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  • Received 18 December 2007

DOI:https://doi.org/10.1103/PhysRevC.78.064617

©2008 American Physical Society

Authors & Affiliations

M. Ray1, A. Mukherjee2, M. K. Pradhan2, Ritesh Kshetri2, M. Saha Sarkar2, R. Palit3, I. Majumdar3, P. K. Joshi3, H. C. Jain3, and B. Dasmahapatra2,*

  • 1Behala College, Parnasree, Kolkata-700060, India
  • 2Saha Institute of Nuclear Physics, 1/AF, Bidhannagar, Kolkata-700064, India
  • 3Tata Institute of Fundamental Research, Mumbai-400005, India

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Issue

Vol. 78, Iss. 6 — December 2008

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