Two photon decay of $π^0$ and $η$ at finite temperature and density

Details Two photon decay of $π^0$ and $η$ at finite temperature and density Two photon decay of $π^0$ and $η$ at finite temperature and density

2004-11-12

arxiv.org/abs/hep-ph/0411173v1

J.Phys. G31 (2005) S1171-S1174

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 1 figure. Talk given at Strange Quark Matter 2004, Cape Town, South Africa, 15-20 September, 2004

Scientific paper

10.1088/0954-3899/31/6/080

A comparative study of the anomalous decays $\pi^0, \eta \to\gamma\gamma$, at finite temperature and at finite density, is performed in the framework of the three--flavor Nambu--Jona-Lasinio. The similarities and differences between both scenarios are discussed. In both cases the lifetimes of these mesons decrease significantly at the critical point, although this might not be sufficient to observe enhancement of these decays in heavy-ion collisions.

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