Glueball phenomenology and the relativistic flux tube model

Details Glueball phenomenology and the relativistic flux tube model Glueball phenomenology and the relativistic flux tube model

2009-06-17

arxiv.org/abs/0906.3098v2

Phys.Rev.D80:074021,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

v2: References added and changes in sec. 9

Scientific paper

10.1103/PhysRevD.80.074021

The relativistic flux tube model is an effective description of confined quarks and gluons in which the confining interaction is carried by the flux tube, a Nambu-Goto string. We first show that the relativistic flux tube model can be applied to glueballs seen as bound states of transverse constituent gluons. After a comparison of that approach with usual spinless Salpeter Hamiltonians, we compute glueball masses and decay widths. Comments about the $\eta$-$\eta'$-pseudosclar glueball problem, the glueball--Pomeron conjecture, and finite-temperature effects are finally given. We also point out the existence of a duality between open- and closed-flux tube models of glueballs.

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