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lambda. N effective interaction

Conference ·
OSTI ID:6746777
A combination of theoretical estimates, based on a ..lambda..N potential model, and phenomenological analysis of hypernuclear data is used to determine a set of four P/sub N/s/sub ..lambda../ two-body matrix elements which characterize the spin dependence of the ..lambda..N interaction in the p shell. The central spin-spin and the ..lambda.. spin-orbit matrix elements are most strongly constrained by existing data. The spin dependence is weak in the sense that s/sub ..lambda../ doublet splittings are predicted to be of order 100 keV except for the special case of /sub ..lambda..//sup 7/Li where the central spin-spin interaction dominates and the ground-state doublet separation is likely to be about 600 keV. The results of recent (K/sup -/, ..pi../sup -/..gamma..) experiments at the Brookhaven AGS are interpreted in terms of the ..lambda..N effective interaction.
Research Organization:
Brookhaven National Lab., Upton, NY (USA)
DOE Contract Number:
AC02-76CH00016
OSTI ID:
6746777
Report Number(s):
BNL-34955; CONF-8405193-20; ON: DE84014382
Country of Publication:
United States
Language:
English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALI METAL ISOTOPES
ANGULAR MOMENTUM
BARYON-BARYON INTERACTIONS
BARYONS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BINDING ENERGY
BOSONS
BOUND STATE
CHARGED-PARTICLE REACTIONS
COUPLING
ELEMENTARY PARTICLES
ENERGY
ENERGY LEVELS
EXCITED STATES
FERMIONS
HADRON REACTIONS
HADRON-HADRON INTERACTIONS
HADRONS
HYPERNUCLEI
HYPERONS
INTERACTIONS
INTERMEDIATE COUPLING
ISOTOPES
J-J COUPLING
KAON MINUS REACTIONS
KAON REACTIONS
L-S COUPLING
LAMBDA PARTICLES
LIGHT NUCLEI
LITHIUM 7
LITHIUM 8
LITHIUM ISOTOPES
MATRIX ELEMENTS
MESON REACTIONS
MESONS
NUCLEAR FRAGMENTS
NUCLEAR REACTIONS
NUCLEI
NUCLEON-HYPERON INTERACTIONS
NUCLEONS
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
P STATES
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PIONS
PIONS MINUS
PSEUDOSCALAR MESONS
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
SPIN
STABLE ISOTOPES
STRANGE PARTICLES
STRANGENESS-EXCHANGE REACTIONS