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Author Ismail, M. ♦ Salah, F. ♦ Osman, M. M.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword PHYSICS ♦ ALPHA PARTICLES ♦ EXCHANGE INTERACTIONS ♦ NUCLEI ♦ POTENTIALS ♦ DENSITY MATRIX ♦ EXPANSION ♦ NUCLEAR STRUCTURE ♦ NUCLEON-NUCLEON INTERACTIONS ♦ OPTICAL MODELS
Abstract In the present work, we test the validity of replacing the nondiagonal matrix {rho}({ital {rvec r}}, {ital {rvec r}}{prime}) appearing in the exchange part of the {alpha}-nucleus optical potential by an approximation based on the density matrix expansion (DME) used frequently in nuclear structure calculations. We have found that for the recently derived BDM3Y nucleon-nucleon force the DME may produce a maximum error more than 29{percent} in the {alpha}-nucleus potential. {copyright} {ital 1996 The American Physical Society.}
ISSN 05562813
Educational Use Research
Learning Resource Type Article
Publisher Date 1996-12-01
Publisher Place United States
Journal Physical Review, C
Volume Number 54
Issue Number 6


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