Reconciling $G_A/G_V, <r_n^2>$ and $μ_{p,n}$ in Chiral Quark Model with one Gluon Generated Configuration Mixing

Details Reconciling $G_A/G_V, <r_n^2>$ and $μ_{p,n}$ in Chiral Quark Model with one Gluon Generated Configuration Mixing Reconciling $G_A/G_V, <r_n^2>$ and $μ_{p,n}$ in Chiral Quark Model with one Gluon Generated Configuration Mixing

2000-03-22

arxiv.org/abs/hep-ph/0003217v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 latex pages with 2 tables, revised in the light of latest data

Scientific paper

The spin polarization functions $(\Delta u, ~\Delta d, ~\Delta s)$ for proton are calculated in the chiral quark model ($\chi$QM) with SU(3) symmetry breaking as well as configuration mixing generated by one gluon exchange forces for the NMC and the most recent E866 data. Besides reproducing the spin polarization functions $\Delta u,\Delta d, \Delta s$ as well as $G_A/G_V$, it can accomodate nucleon magnetic moments and neutron charge radius as well, thus resolving the compatibility problem of these parameters which could not be achieved in constituent quark models.

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