Photo-production of Nucleon Resonances and Nucleon Spin Structure Function in the Resonance Region

Details Photo-production of Nucleon Resonances and Nucleon Spin Structure Function in the Resonance Region Photo-production of Nucleon Resonances and Nucleon Spin Structure Function in the Resonance Region

2001-06-20

arxiv.org/abs/hep-ph/0106225v2

Phys.Rev. C65 (2002) 015202

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 pages, 5 figures

Scientific paper

10.1103/PhysRevC.65.015202

The photo-production of nucleon resonances is calculated based on a chiral constituent quark model including both relativistic corrections H{rel} and two-body exchange currents, and it is shown that these effects play an important role. We also calculate the first moment of the nucleon spin structure function g1 (x,Q^2) in the resonance region, and obtain a sign-changing point around Q^2 ~ 0.27 {GeV}^2 for the proton.

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