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Binding energies of hypernuclei and. lambda. -nuclear interactions. Revision

Conference ·
OSTI ID:6179306
;
Variational Monte Carlo calculations have been made for the s-shell hypernuclei and also of /sub ..lambda..//sup 9/Be with a 2..cap alpha.. + ..lambda.. model. The well depth is calculated variationally with the Fermi hypernetted chain method. A satisfactory description of all the relevant experimental ..lambda.. separation energies and also of the ..lambda..p scattering can be obtained with reasonable TPE ..lambda..N and ..lambda..NN forces and strongly repulsive dispersive ..lambda..NN forces which are preferred to be spin dependent. We discuss variational calculations for /sub ..lambda lambda..//sup 6/He and /sub ..lambda lambda..//sup 10/Be with ..cap alpha.. + 2..lambda.. and 2..cap alpha.. + 2..lambda.. models, and the results obtained for the ..lambda lambda.. interaction and for /sub ..lambda lambda..//sup 6/He from analysis of /sub ..lambda lambda..//sup 10/Be. Coulomb effects and charge symmetry breaking in the A=4 hypernuclei are discussed. 28 refs.
Research Organization:
Argonne National Lab., IL (USA); Aligarh Muslim Univ. (India)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
6179306
Report Number(s):
CONF-850921-1-Rev.; ON: DE86004066
Country of Publication:
United States
Language:
English

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Related Subjects

653007* -- Nuclear Theory-- Nuclear Models-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALINE EARTH ISOTOPES
BARYONS
BERYLLIUM 10
BERYLLIUM 9
BERYLLIUM ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BINDING ENERGY
C INVARIANCE
CLUSTER MODEL
CORRECTIONS
COULOMB CORRECTION
ELEMENTARY PARTICLES
ENERGY
ENERGY LEVELS
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
FERMIONS
HADRONS
HELIUM 6
HELIUM ISOTOPES
HYPERNUCLEI
HYPERONS
INVARIANCE PRINCIPLES
ISOTOPES
LAMBDA BARYONS
LAMBDA PARTICLES
LIGHT NUCLEI
MATHEMATICAL MODELS
MONTE CARLO METHOD
NUCLEAR FRAGMENTS
NUCLEAR MODELS
NUCLEAR POTENTIAL
NUCLEI
POTENTIALS
RADIOISOTOPES
S STATES
STABLE ISOTOPES
STRANGE PARTICLES
SYMMETRY BREAKING
VARIATIONAL METHODS
YEARS LIVING RADIOISOTOPES