Production of φMesons in Near-Threshold πN and N N Reactions

Details Production of φMesons in Near-Threshold πN and N N Reactions Production of φMesons in Near-Threshold πN and N N Reactions

2000-01-14

arxiv.org/abs/nucl-th/0001027v1

Eur.Phys.J.A7:543-557,2000

Physics

Nuclear Physics

Nuclear Theory

35 pages including 18 figures

Scientific paper

10.1007/s100500050427

We analyze the production of $\phi$ mesons in $\pi N$ and NN reactions in the near-threshold region, using throughout the conventional ``non-strange'' dynamics based on such processes which are allowed by the non-ideal $\omega-\phi$ mixing. We show that the occurrence of the direct $\phi NN$ interaction may show up in different unpolarized and polarization observables in $\pi N\to N\phi$ reactions. We find a strong non-trivial difference between observables in the reactions $pp\to pp\phi$ and $pn\to pn\phi$ caused by the different role of the spin singlet and triplet states in the entrance channel. A series of predictions for the experimental study of this effect is presented.

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