Fusion cross sections for 7Li + 12C system at near barrier energies

Parkar, V. V. ; Mahata, K. ; Santra, S. ; Kailas, S. ; Shrivastava, A. ; Ramachandran, K. ; Chatterjee, A. ; Jha, V. ; Singh, P. (2007) Fusion cross sections for 7Li + 12C system at near barrier energies Nuclear Physics A, 792 (3-4). pp. 187-200. ISSN 0375-9474

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S03759...

Related URL: http://dx.doi.org/10.1016/j.nuclphysa.2007.05.013

Abstract

Elastic scattering and alpha particle angular distributions for the reaction 7Li + 12C have been measured at Elab=7.5,9,12, and 15 MeV. Statistical and direct reaction model calculations have been performed to deduce the fusion and direct reaction cross sections. The fusion cross sections measured in the present work are found to be consistent with those obtained by measurement of characteristic γ-rays, which are very different from those measured by direct detection of evaporation residues. The contribution from direct reactions to the alpha particle cross section has been quantified by exact finite range transfer calculations and found to be negligible (<6%) at all the bombarding energies studied. The measured fusion cross sections at all the energies studied are nearly equal to the reaction cross sections which imply that the direct reaction contributions are less and fusion is the dominant process.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Elastic Scattering; Fusion Cross Sections; Charge Particle Detection; Statistical Model Analysis; Direct and Compound Nuclear Angular Distributions
ID Code:15731
Deposited On:13 Nov 2010 12:39
Last Modified:03 Jun 2011 06:48

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