Hard Photodisintegration of 3He

Details Hard Photodisintegration of 3He Hard Photodisintegration of 3He

2010-08-17

arxiv.org/abs/1008.2806v1

Physics

Nuclear Physics

Nuclear Theory

7 pages, 4 figures

Scientific paper

Large angle photodisintegration of two nucleons from the 3He nucleus is studied within the framework of the hard rescattering model (HRM). In the HRM the incoming photon is absorbed by one nucleon's valence quark that then undergoes a hard rescattering reaction with a valence quark from the second nucleon producing two nucleons emerging at large transverse momentum . Parameter free cross sections for pp and pn break up channels are calculated through the input of experimental cross sections on pp and pn elastic scattering. The calculated cross section for pp breakup and its predicted energy dependency are in good agreement with recent experimental data. Predictions on spectator momentum distributions and helicity transfer are also presented.

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