Mass Differences Within SU(3) Multiplets and Relativistic Quark Model

The maas differences within SU(3) multiplets are studied in the framework of a relativistic quark model where the hadrons are described by Bethe- Salpeter wave functions. We show that it is neceasary to take into aecount all the effects due to the superstrong coupling between the quarks in order to...

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Veröffentlicht in:	Physical review. D, Particles and fields Particles and fields, 1973-10, Vol.8 (8), p.2640-2649
1. Verfasser:	Fontannaz, Michel
Format:	Artikel
Sprache:	eng
Schlagworte:	BARYONS- MASS DIFFERENCE BETHE-SALPETER EQUATION MASS FORMULAE MESONS- MASS DIFFERENCE N64240 -Physics (High Energy)-Particle Interactions & Properties (Theoretical)-Strong (General) N64310 -Physics (High Energy)-Particle Invariance Principles & Symmetry-General QUARK MODEL- PARTICLE MULTIPLETS SU-3 GROUPS- PARTICLE MULTIPLETS WAVE FUNCTIONS QUARK MODEL
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Zusammenfassung:	The maas differences within SU(3) multiplets are studied in the framework of a relativistic quark model where the hadrons are described by Bethe- Salpeter wave functions. We show that it is neceasary to take into aecount all the effects due to the superstrong coupling between the quarks in order to get results which agree with experiment (mass-breaking parameters depending on L, S, and J, splitting of the SIGMA and A masses, etc.). We apply the model to the L = O, L = l
ISSN:	0556-2821 1089-4918
DOI:	10.1103/PhysRevD.8.2640