Hadron Masses and Screening from AdS Wilson Loops

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We show that in strongly coupled N=4 SYM the binding energy of a heavy and a light quark is independent of the strength of the coupling constant. As a consequence we are able to show that in the presence of light quarks the analog of the QCD string can snap and color charges are screened. The resulting neutral mesons interact with each other only via pion exchange and we estimate the masses
4 pages, revtex

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High Energy Physics - Theory, Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/190695

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/0211107
 http://arxiv.org/abs/hep-th/0211107
 Phys.Rev.Lett.90:091601,2003
 doi:10.1103/PhysRevLett.90.091601

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