Regularities in hadron systematics, Regge trajectories and a string quark model

Details Regularities in hadron systematics, Regge trajectories and a string quark model Regularities in hadron systematics, Regge trajectories and a string quark model

2006-08-24

arxiv.org/abs/hep-ph/0608278v2

Phys.Rev.D75:014007,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages, 9 eps figures

Scientific paper

10.1103/PhysRevD.75.014007

An empirical principle for the construction of a linear relationship between the total angular momentum and squared-mass of baryons is proposed. In order to examine linearity of the trajectories, a rigorous least-squares regression analysis was performed. Unlike the standard Regge-Chew-Frautschi approach, the constructed trajectories do not have non-linear behaviour. A similar regularity may exist for lowest-mass mesons. The linear baryonic trajectories are well described by a semi-classical picture based on a spinning relativistic string with tension. The obtained numerical solution of this model was used to extract the (di)quark masses.

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