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Effect of three nucleon forces in p-3He scattering

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arxiv 1210.5890 v1 pith:KKOQBCX4 submitted 2012-10-22 nucl-th

Effect of three nucleon forces in p-3He scattering

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keywords modelsnucleonscatteringdataderivedeffectexperimentalforces
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The effect of the inclusion of different models of three nucleon (3N) forces in p-3He elastic scattering at low energies is studied. Two models have been considered: one derived from effective field theory at next-to-next-to-leading order and one derived from a more phenomenological point of view -- the so-called Illinois model. The four nucleon scattering observables are calculated using the Kohn variational principle and the hyperspherical harmonic technique and the results are compared with available experimental data. We have found that with the inclusion of both 3N force models the agreement with the experimental data is improved, in particular for the proton vector analyzing power A_y.

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