The decay of the omega meson at finite temperature

Details The decay of the omega meson at finite temperature The decay of the omega meson at finite temperature

1997-05-30

arxiv.org/abs/nucl-th/9705057v1

Physics

Nuclear Physics

Nuclear Theory

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Scientific paper

The decay width of the $\omega$ meson at finite temperature is calculated using the Gell-Mann Sharp Wagner model of $\rho$ pole dominance. Effective masses of the $\rho$ and $\omega$ are determined within the framework of real-time formalism of finite temperature field theory. It is shown that even though the mass of the $\omega$-meson decreases with temperature, its decay width increases because of an interesting interplay between the phase space factors, the transition matrix element and Bose enhancement.

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