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Structure of light. lambda. -hypernuclei and the (K/sup -/,. pi. /sup -/) reaction

Conference ·
OSTI ID:6773899
A brief description of the procedure and highlights of the calculations performed on a broad range of p-shell nuclei including ..lambda../sup 9/Be, ..lambda../sup 12/C, ..lambda../sup 13/C, ..lambda../sup 14/N and ..lambda../sup 16/O for which data exist and ..lambda../sup 10/B, ..lambda../sup 14/C, ..lambda../sup 15/N for which data do not exist are given. The mechanism for the (K/sup -/, ..pi../sup -/) reaction which generates the rich excitation spectra seen experimentally is briefly considered. The use of a relativistic DWBA formalism includes naturally the distortion in K/sup -/, ..pi../sup -/ wave functions and permits quantitatively reliable estiamtes of reaction cross-sections to be made. An essentially complete treatment of second-half p-shell nuclei with fixed ..lambda..N and NN potentials is possible because of the small size variations of these nuclei. In principle at least a three body ..lambda..NN force should be present, inducing an apparent nucleon-number dependence in an effective two body interaction. The emphasis is on extraction, from the hypernuclear spectrum and excitation probabilities, of details of the ..lambda..N interaction not otherwise obtainable experimentally. (WHK)
Research Organization:
Brookhaven National Lab., Upton, NY (USA); CEA Centre d'Etudes Nucleaires de Saclay, 91 - Gif-sur-Yvette (France)
DOE Contract Number:
AC02-76CH00016
OSTI ID:
6773899
Report Number(s):
BNL-31671; CONF-820635-7; ON: DE82021758
Country of Publication:
United States
Language:
English

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Related Subjects

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72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALINE EARTH ISOTOPES
BARYONS
BERYLLIUM 9
BERYLLIUM ISOTOPES
BOSONS
CARBON 12
CARBON 13
CARBON ISOTOPES
CHARGED-PARTICLE REACTIONS
ELEMENTARY PARTICLES
ENERGY LEVELS
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
FERMIONS
HADRON REACTIONS
HADRONS
HYPERNUCLEI
HYPERONS
ISOTOPES
KAON MINUS REACTIONS
KAON REACTIONS
LAMBDA PARTICLES
LIGHT NUCLEI
MESON REACTIONS
MESONS
NITROGEN 14
NITROGEN ISOTOPES
NUCLEAR FRAGMENTS
NUCLEAR REACTIONS
NUCLEI
ODD-ODD NUCLEI
OXYGEN 16
OXYGEN ISOTOPES
P STATES
PIONS
PIONS MINUS
PSEUDOSCALAR MESONS
SPECTROSCOPY
STABLE ISOTOPES
STRANGE PARTICLES