Energy and width of. sigma. hyperon in nuclear matter
Journal Article
·
· Phys. Rev., C; (United States)
The width GAMMA and the potential well depth -V/sub ..sigma../ of the ..sigma.. hyperon in nuclear matter are calculated with the help of the Brueckner theory. Results obtained for GAMMA and V/sub ..sigma../ with model D of the Nijmegen baryon-baryon interaction and simple estimates of GAMMA in terms of the cross section for the ..sigma../sup -/p..--> lambda..n process are consistent with empirical estimates. It is shown that the exclusion principle and dispersive effects strongly suppress the ..sigma..N..--> lambda..N process in nuclear matter and are capable of reducing GAMMA to values suggested by recent (K,..pi..) experiments.
- Research Organization:
- Institute of Nuclear Research, Hoza 69, PL-00-681 Warsaw, Poland
- OSTI ID:
- 6521093
- Journal Information:
- Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 23:4; ISSN PRVCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
653002* -- Nuclear Theory-- Nuclear Matter
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON-BARYON INTERACTIONS
BARYONS
BRUECKNER MODEL
CROSS SECTIONS
ELEMENTARY PARTICLES
FERMIONS
HADRON-HADRON INTERACTIONS
HADRONS
HAMILTONIANS
HYPERNUCLEI
HYPERONS
INTERACTIONS
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
MATHEMATICAL SPACE
MATTER
NUCLEAR FRAGMENTS
NUCLEAR MATTER
NUCLEAR MODELS
NUCLEAR POTENTIAL
NUCLEI
NUCLEON-HYPERON INTERACTIONS
OPTICAL MODELS
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PARTICLE WIDTHS
PAULI PRINCIPLE
PHASE SPACE
POTENTIALS
QUANTUM OPERATORS
SIGMA PARTICLES
SPACE
STRANGE PARTICLES
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON-BARYON INTERACTIONS
BARYONS
BRUECKNER MODEL
CROSS SECTIONS
ELEMENTARY PARTICLES
FERMIONS
HADRON-HADRON INTERACTIONS
HADRONS
HAMILTONIANS
HYPERNUCLEI
HYPERONS
INTERACTIONS
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
MATHEMATICAL SPACE
MATTER
NUCLEAR FRAGMENTS
NUCLEAR MATTER
NUCLEAR MODELS
NUCLEAR POTENTIAL
NUCLEI
NUCLEON-HYPERON INTERACTIONS
OPTICAL MODELS
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PARTICLE WIDTHS
PAULI PRINCIPLE
PHASE SPACE
POTENTIALS
QUANTUM OPERATORS
SIGMA PARTICLES
SPACE
STRANGE PARTICLES