Evidence of N*(1535) resonance contribution in the pn->dφreaction

Details Evidence of N*(1535) resonance contribution in the pn->dφreaction Evidence of N*(1535) resonance contribution in the pn->dφreaction

2009-05-03

arxiv.org/abs/0905.0260v2

Phys.Rev.C80:025203,2009

Physics

Nuclear Physics

Nuclear Theory

13 pages,4 figures

Scientific paper

10.1103/PhysRevC.80.025203

The N*(1535) resonance contributions to the pn->d\phi reaction are evaluated in an effective Lagrangian model. The \pi-, \eta-, and \rho-meson exchange are considered. It is shown that the contributions from \pi- and \rho-meson exchange are dominant, while the contribution from \eta-meson exchange is negligibly small. Our theoretical results reproduce the experimental data of both total cross section and angular distribution well. This is another evidence that the N*(1535) resonance has large s\bar{s} component leading to a large coupling to N\phi, which may be the real origin of the OZI rule violation in the \piN and pN reactions.

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