Spectator-model operators in point-form relativistic quantum mechanics

Details Spectator-model operators in point-form relativistic quantum mechanics Spectator-model operators in point-form relativistic quantum mechanics

2004-11-24

arxiv.org/abs/hep-ph/0411322v2

Eur.Phys.J. A25 (2005) 97-105

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 4 figures, updated version accepted for publication in Europ. Phys. J. A

Scientific paper

10.1140/epja/i2004-10276-4

We address the construction of transition operators for electromagnetic, weak, and hadronic reactions of relativistic few-quark systems along the spectator model. While the problem is of relevance for all forms of relativistic quantum mechanics, we specifically adhere to the point form, since it preserves the spectator character of the corresponding transition operators in any reference frame. The conditions imposed on the construction of point-form spectator-model operators are discussed and their implications are exemplified for mesonic decays of baryon resonances within a relativistic constituent quark model.

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