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The European Physical Journal A

, Volume 41, Issue 2, pp 215–227 | Cite as

Potential description of 6Li elastic scattering by 28Si

  • S. Hossain
  • M. N. A. Abdullah
  • A. K. BasakEmail author
  • S. K. Das
  • M. A. Uddin
  • A. S. B. Tariq
  • I. Reichstein
  • K. M. Rusek
  • F. B. Malik
Regular Article - Theoretical Physics

Abstract

This work compares the performance of traditional phenomelogical Woods-Saxon (WS) and squared WS (SWS) potentials with that of a non-monotonic (NM) potential, microscopically derived using the energy-density functional (EDF) formalism from a realistic two-nucleon potential that includes the Pauli priciple. The experimental differential cross-sections (DCS) for the 6Li elastic scattering by 28Si over the incident energies E $Li$ = 7.5-99.0 MeV are well accounted for using the NM potential without the need of renormalization. At higher energies, in the range of 135.0-318.0MeV, the EDF-generated NM potential parameters need a revision for the satisfactory description of the DCS data. The DCS data in the entire energy range of 7.5-318.0 are also well described by the WS and SWS potentials. The inclusion of a static spin-orbit potential to the NM, WS and SWS central potentials is found to reproduce the features of the vector analyzing power iT11 data at 22.8MeV reasonably well in each of the cases. However, the WS and SWS potential parameters needed to describe the DCS and iT11 data are found inconsistent in terms of the variations of the real volume integrals per nucleon pair (VJR) with the incident energy. On the other hand, the EDF-generated NM potential is found to be consistent in terms of VJR and satisfactorily accounts for the DCS data in the entire range of energies considered herein and the features of the iT11 data at 22.8MeV.

PACS

24.10.Ht Optical and diffraction models 21.60.Jz Nuclear Density Functional Theory and extensions (includes Hartree-Fock and random-phase approximations) 24.70.+s Polarization phenomena in reactions 27.20.+n 6 ≤ A ≤ 19 

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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • S. Hossain
    • 1
  • M. N. A. Abdullah
    • 2
  • A. K. Basak
    • 3
    Email author
  • S. K. Das
    • 1
  • M. A. Uddin
    • 3
  • A. S. B. Tariq
    • 3
  • I. Reichstein
    • 4
  • K. M. Rusek
    • 5
  • F. B. Malik
    • 6
    • 7
  1. 1.Department of PhysicsShahjalal University of Science and TechnologySylhetBangladesh
  2. 2.Department of PhysicsRajshahi University of Engineering and TechnologyRajshahiBangladesh
  3. 3.Department of PhysicsUniversity of RajshahiRajshahiBangladesh
  4. 4.School of Computer ScienceCarleton UniversityOttawaCanada
  5. 5.Department of Nuclear ReactionsThe Andrzej Soltan Institute for Nuclear StudiesWarsawPoland
  6. 6.Department of PhysicsSouthern Illinois UniversityCarbondaleUSA
  7. 7.Department of PhysicsWashington UniversitySt. LouisUSA

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