The omega meson at high temperatures

Details The omega meson at high temperatures The omega meson at high temperatures

2001-02-15

arxiv.org/abs/hep-ph/0102189v2

Phys.Lett. B515 (2001) 89-93

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 2 figures; reference and paragraph added; version to appear in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(01)00822-X

The decays of the omega meson in a heat bath of thermally excited pions is
studied within the framework of real-time thermal field theory using an
appropriate effective Lagrangian. We show that the omega meson spectrum
broadens considerably at temperatures T > 100 MeV, primarily because of omega
pi -> pi pi reactions in the thermal environment.

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