Baryon-baryon potentials in the flavor SU(3) limit from lattice QCD

Details Baryon-baryon potentials in the flavor SU(3) limit from lattice QCD Baryon-baryon potentials in the flavor SU(3) limit from lattice QCD

2009-11-12

arxiv.org/abs/0911.2305v1

PoS LAT2009:133,2009

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 9 figures, Talk given at the "XXVII International Symposium on Lattice Field Theory(LATTICE 2009)", July 26-31 2009,

Scientific paper

We investigate baryon-baryon (BB) interactions in the flavor SU(3) symmetric world, by using the 3-flavor full QCD simulations. In the SU(3) limit, six independent two-baryon states exist for a given orbital angular momentum. We forcus on S-wave states and extract BB potentials using the method recently developed. We discuss the flavor dependence of the potentials, in particular, the strength of the repulsion at short distance. We find that the SU(3) flavor structure of the repulsive core is compatible with that expected from the Pauli principle for the quarks.

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