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arxiv: 1311.0571 · v2 · pith:D35IMYGTnew · submitted 2013-11-04 · ⚛️ nucl-th · nucl-ex

The Sigma(1385) photoproduciton from proton within a Regge-plus-resonance approach

classification ⚛️ nucl-th nucl-ex
keywords approachcontributionscrossdeltadifferentialprotonregge-plus-resonancesigma
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The interaction mechanism of the $\Sigma$(1385) photoproduction from proton is investigated within a Regge-plus-resonance approach based on the experimental data released by CLAS Collaboration recently. The t-channel and u-channel contributions are responsible to the behaviors of the differential cross sections at forward and backward angles, respectively. The contributions from nucleon resonances including $N^*$ and $\Delta^*$, which are determined by the predicted decay amplitudes in constituent quark model, are found small but essential to reproduce the differential cross section especially the contribution from $F_{35}$ state $\Delta(2000)$.

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