Analyzing powers for elastic and inelastic scattering of polarized Li6 from C12 at 30 MeV

E. L. Reber, K. W. Kemper, P. V. Green, P. L. Kerr, A. J. Mendez, E. G. Myers, B. G. Schmidt, and V. Hnizdo
Phys. Rev. C 50, 2917 – Published 1 December 1994
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Abstract

Vector and tensor analyzing powers (iT11,T20,T21, and T22) for C12(6Li→,6Li)12C elastic scattering and inelastic scattering leading to the 2+ (4.44 MeV) and 3 (9.64 MeV) states in C12 are presented over the c.m. angular range 15–138° for a 6 bombarding energy of 30 MeV. These are the first complete set of 3 analyzing powers for 6 scattering. The results of a coupled channels analysis that uses an optical potential with a double-folded real part show the necessity to include projectile excitation, an explicit spin-orbit potential, and reorientation terms in the potential in order to achieve a reasonable overall description of the analyzing-power data. The deformation lengths are set by normalizing the calculations to previously measured Li6 (3+,2+) inelastic-scattering cross sections. The explicit spin-orbit potential is the major contributor to the vector analyzing power iT11 for C12 (2+) inelastic scattering, while the reorientation of the Li6 ground state contributes strongly to the analyzing power T21 for elastic scattering. The calculations fail to account for the relatively large magnitude of the experimental tensor analyzing powers for the C12 (3) inelastic scattering.

  • Received 7 July 1994

DOI:https://doi.org/10.1103/PhysRevC.50.2917

©1994 American Physical Society

Authors & Affiliations

E. L. Reber, K. W. Kemper, P. V. Green, P. L. Kerr, A. J. Mendez, E. G. Myers, and B. G. Schmidt

  • Department of Physics, Florida State University, Tallahassee, Florida 32306

V. Hnizdo

  • Department of Physics and Schonland Research Centre for Nuclear Sciences, University of the Witwatersrand, Johannesburg, 2050 South Africa

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Vol. 50, Iss. 6 — December 1994

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