Anomalous Transverse Distribution of Pions as a signal for the production of DCC's

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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10 pages, LaTex and 3 eps figures

Scientific paper

10.1103/PhysRevC.54.3298

We give evidence that the production of DCC's during a non-equilibrium phase transition can lead to an anomalous transverse distribution of secondary pions when compared to a more conventional boost invariant hydrodynamic flow in local thermal equilibrium. Our results pertain to the linear $\sigma$ model,treated in leading order in large-$N$, in a boost invariant approximation. We also show that the interpolating number density of the field theory calculation plays the role of a classical relativistic phase space number distribution in determining the momentum distribution of pions in the center of mass frame.

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