Abstract

The Hidden Local Symmetry Lagrangian is used to study the interactions of φ mesons with pseudoscalar and vector mesons in a hadronic gas at finite temperature. We have found a small φ mean free path (∼2 fm at T = 175 MeV). This implies that φ mesons produced after hadronization in relativistic heavy ion collisions will not leave the system without scattering. The effect of these interactions on the time evolution of the φ yield in the expanding hadronic fireball is investigated.

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