Curved QCD string dynamics

Details Curved QCD string dynamics Curved QCD string dynamics

1999-03-01

arxiv.org/abs/hep-ph/9903222v1

Phys.Rev. D60 (1999) 074026

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages REVTeX, 10 PostScript Figures

Scientific paper

10.1103/PhysRevD.60.074026

We consider the effects of going beyond the approximation of a straight string in mesons by using a flexible flux tube model wherein a Nambu-Goto string bends in response to quark accelerations. The curved string is dynamically identical to the straight string even for ultra-relativistic mesons except for a small additional radial momentum. We numerically solve the curved string model in the case where both ends have equal mass quarks and also the case where one end is fixed. No approximation of non-relativistic motion is made. We note some small but interesting difference from the straight string.

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