Hadron Interactions and ReactionsNo Access

LATTICE QCD CALCULATION OF NUCLEAR FORCES

NORIYOSHI ISHII

Center for Computational Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305–8577, Japan

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SINYA AOKI

RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973, USA

Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305–8577, Japan

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TETSUO HATSUDA

Department of Physics, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113–0033, Japan

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https://doi.org/10.1142/S0217732308029198Cited by:3 (Source: Crossref)

Abstract

Quenched lattice QCD results of nuclear forces are presented. Inter-nucleon potentials are constructed from Bethe-Salpeter wave functions of two nucleon states by using a Schrödinger-type equation. The results of the central force in ¹S₀ channel posses the repulsive core at short distance as well as the attraction at medium distance, both of which are enhanced in the light quark mass region. A preliminary result on the tensor force is also presented with the central force in ³S₁ channel.

Keywords:

PACS: 12.38.Gc, 13.75.Cs, 21.30.Cb, 21.45.Bc

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Vol. 23, No. 27n30

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LATTICE QCD CALCULATION OF NUCLEAR FORCES

Abstract

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