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Large $N_{c}$, chiral approach to $M_{\eta}'$ at finite temperature

We study the temperature dependence of the eta and eta' meson masses withinthe framework of U(3)_L x U(3)_R chiral perturbation theory, up tonext-to-leading order in a simultaneous expansion in momenta, quark masses andnumber of colours. We find that both masses decrease at low temperatures, bu...

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Detalles Bibliográficos
Autores principales:	Escribano, R., Ling, F.S., Tytgat, M.H.G.
Lenguaje:	eng
Publicado:	2000
Materias:	Particle Physics - Phenomenology
Acceso en línea:	https://dx.doi.org/10.1103/PhysRevD.62.056004 http://cds.cern.ch/record/430066

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