Effects of a spin-flavour dependent interaction on the baryon mass spectrum

The effective quark interaction in a relativistically covariant constituent quark model based on the Salpeter equation is supplemented by an extra phenomenological flavour dependent force in order to account for some discrepancies mainly in the description of excited negative parity Delta resonances...

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Published in:arXiv.org 2012-01
Main Authors: Ronniger, Michael, Metsch, Bernard Ch
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Language:English
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Baryons
Form factors
Quark models
Quarks
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Metsch, Bernard Ch
description The effective quark interaction in a relativistically covariant constituent quark model based on the Salpeter equation is supplemented by an extra phenomenological flavour dependent force in order to account for some discrepancies mainly in the description of excited negative parity Delta resonances. Simultaneously an improved description of some other features of the light-flavoured baryon mass spectrum and of some electromagnetic form factors is obtained.
doi_str_mv 10.48550/arxiv.1111.3835
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subjects Baryons
Form factors
Quark models
Quarks
title Effects of a spin-flavour dependent interaction on the baryon mass spectrum
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