Title of article :
Strange vector currents and the OZI-rule
Author/Authors :
Ulf-G. Mei?ner، نويسنده , , V. Mull، نويسنده , , J. Speth، نويسنده , , J.W. Van Orden، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1997
Pages :
6
From page :
381
To page :
386
Abstract :
We investigate within a meson-exchange model the OZI allowed coupling of the Φ meson to the nucleon with the inclusion of kaon loops and hyperon excitations. All parameters of the model have previously been determined from a variety of hadronic reactions. A strong cancellation of the various contributions is observed which results in a small ΦNN coupling. We also show that a realistic isoscalar spectral function including the correlated πϱ exchange leads to sizeably reduced strange vector form factors based on the dispersion-theoretical analysis of the nucleonsʹ electromagnetic form factors explaining our previous result.
Journal title :
PHYSICS LETTERS B
Serial Year :
1997
Journal title :
PHYSICS LETTERS B
Record number :
908647
Link To Document :
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