Note on Strange Quarks in the Nucleon

Details Note on Strange Quarks in the Nucleon Note on Strange Quarks in the Nucleon

1994-02-08

arxiv.org/abs/hep-ph/9402250v2

Phys.Lett. B329 (1994) 169-174

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, latex style. One figure, available from the author upon request. University of Regensburg TPR-94-04

Scientific paper

10.1016/0370-2693(94)90755-2

Scalar matrix elements involving strange quarks are studied in several models. Apart from a critical reexamination of results obtained in the Nambu and Jona-Lasinio model we study a scenario, motivated by instanton physics, where spontaneous chiral symmetry breaking is induced by the flavor-mixing 't Hooft interaction only. We also investigate possible contributions of virtual kaon loops to the strangeness content of the nucleon.

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