Lifetime of a Disoriented Chiral Condensate

Details Lifetime of a Disoriented Chiral Condensate Lifetime of a Disoriented Chiral Condensate

1998-06-18

arxiv.org/abs/nucl-th/9806055v2

Phys.Rev.Lett. 81 (1998) 4096-4099

Physics

Nuclear Physics

Nuclear Theory

9 pages, 3 figures, REVTeX, Eq. (3) modified

Scientific paper

10.1103/PhysRevLett.81.4096

The lifetime of a disoriented chiral condensate formed within a heat bath of pions is calculated assuming temperatures and densities attainable at present and future heavy-ion colliders. A generalization of the reduction formula to include coherent states allows us to derive a formula for the decay rate. We predict the half-life to be between 4 and 7 fm/c, depending on the assumed pion density. We also calculate the lifetime in the presence of higher resonances and baryons, which shortens the lifetime by at most 20%.

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