Confinement from a massive scalar in QCD

Details Confinement from a massive scalar in QCD Confinement from a massive scalar in QCD

1998-02-28

arxiv.org/abs/hep-ph/9803209v1

Eur.Phys.J.C6:701-703,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 5 pages

Scientific paper

10.1007/s100520050377

A model is introduced with a massive scalar coupling to the Yang--Mills term in four--dimensional gauge theory. It is shown that the resulting potential of colour sources consists of a short range Coulomb interaction and a long range confining part. Far away from the source the scalar vanishes $\sim r^{-1}$ while the potential diverges linearly $\sim r$. Up to an $N_c$--dependent factor of order 1 the tension parameter in the model is $gmf$, where $m$ denotes the mass of the scalar and $f$ is a coupling scale entering the scalar--gluon coupling.

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