Is the spectrum of highly excited mesons purely coulombian?

Details Is the spectrum of highly excited mesons purely coulombian? Is the spectrum of highly excited mesons purely coulombian?

2008-10-31

arxiv.org/abs/0810.5651v1

Phys.Rev.Lett.101:232001,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, accepted for publication in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.101.232001

We show that a static central potential may provide a precise description of
highly excited light unflavoured mesons. Due to string breaking this potential
becomes of chromoelectric type at sufficiently large quark-antiquark distances
giving rise to a coulombian spectrum. The same conclusion can be inferred for
any other meson sector through a straightforward extension of our analysis.

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