Axial charges of the nucleon and N* resonances

Details Axial charges of the nucleon and N* resonances Axial charges of the nucleon and N* resonances

2009-08-27

arxiv.org/abs/0908.3959v1

Phys.Rev.C81:028201,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 3 tables

Scientific paper

10.1103/PhysRevC.81.028201

The axial charges of the nucleon and the well-established N* resonances are studied within a consistent framework. For the first time the axial charges of the N* resonances are produced for the relativistic constituent quark model. The axial charge of the nucleon is predicted close to experiment, and the ones of N*(1535) and N*(1650), the only cases where such a comparison is possible, agree well with results from quantum chromodynamics on the lattice that have recently become available. The relevance of the magnitudes of the N* axial charges for the low-energy behavior of quantum chromodynamics is discussed.

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