Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1999-11-02
Mod.Phys.Lett.A16:1417-1426,2001
Physics
Nuclear Physics
Nuclear Theory
8 pages, latex, no figures, submitted to Mod. Phys. Lett. A
Scientific paper
10.1142/S0217732301004741
The charge symmetry breaking and charge independence breaking N-N ^1S_0 scattering length differences, Delta a_{CSB} and Delta a_{CIB}, are calculated by a resonating group method with a quark cluster model. By adding the QED-QCD interference effect to the quark mass difference and the electromagnetic interaction, the Delta a_{CSB} and Delta a_{CIB} values can be reproduced with model parameters constrained by the hadron isomultiplet mass splitting.
Goldman Tamar
Ping Jia-lun
Wang Faming
Xu Pu
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