The Baryon Baryon Interaction in a Quark Model With Quark - Anti-quark Excitations

Fujiwara, Yoshikazu

doi:10.1143/PTPS.91.160

The Baryon Baryon Interaction in a Quark Model With Quark - Anti-quark Excitations

Yoshikazu Fujiwara
(
- Regensburg U.
)

Aug 3, 1987

39 pages

Published in:

Prog.Theor.Phys.Suppl. 91 (1987) 160-180

DOI:

10.1143/PTPS.91.160

Report number:

TPR-87-11

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Abstract: (Oxford Journals)

The flavor symmetry aspect of the hyperon-nucleon interaction is investigated in a quark model in which the (qq̄) excitations inherent in the quark-gluon interaction are explicitly incorporated into the model space. It is shown that the long range part of the hyperon-nucleon interaction generated from the (3q)-(3q) to (3q)-(3q)(qq̄) coupling kernels has similar flavor dependence to that of the SU_3 OBEP, where the SU_3 parameters of the coupling constants are usually selected around the SU_6 values. The flavor-SU_3 symmetry breaking effect is also discussed in the single baryon problem ; results are given for the baryon-meson coupling constants, the ground state baryon spectrum, and the magnetic moments of the octet baryons.

TALK: KYOTO 1987
BARYON BARYON: INTERACTION
INTERACTION: BARYON BARYON
NUCLEON HYPERON: INTERACTION
INTERACTION: NUCLEON HYPERON
QUARK ANTIQUARK: EXCITED STATE
QUANTUM CHROMODYNAMICS
QUARK GLUON: INTERACTION
INTERACTION: QUARK GLUON
QUARK: EXCHANGE

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