Test of the reaction mechanism for gamma N -> K Lambda(1520) using the polarized photon

Details Test of the reaction mechanism for gamma N -> K Lambda(1520) using the polarized photon Test of the reaction mechanism for gamma N -> K Lambda(1520) using the polarized photon

2006-11-16

arxiv.org/abs/hep-ph/0611213v2

Phys.Rev.D75:014027,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 14 figures, accepted for publication in PRD

Scientific paper

10.1103/PhysRevD.75.014027

We study the reaction mechanism for the photoproduction of the Lambda(1520), based on an effective Lagrangian approach. We investigate each contribution of the s-, u-, t-channel processes and contact term, separately. One of the most characteristic features of this reaction is the contact-term dominance which governs the photoproduction from the proton, when the K*-exchange contribution is possibly not too large. We suggest several different ways of the polarizations and arrangement of the beam and target to make to understand the role of each contribution separately in future experiments.

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