A Role of the Axial Vector Mesons on the Photon Production in Heavy Ion Collisions and Their Relevant Decays

Details A Role of the Axial Vector Mesons on the Photon Production in Heavy Ion Collisions and Their Relevant Decays A Role of the Axial Vector Mesons on the Photon Production in Heavy Ion Collisions and Their Relevant Decays

2001-08-06

arxiv.org/abs/nucl-th/0108009v1

Eur.Phys.J. A14 (2002) 87-93

Physics

Nuclear Physics

Nuclear Theory

12 pages, 2 figures

Scientific paper

A role of the axial vector mesons, such as $K_1$ and $a_1$, on the emitted photon spectrum in hot hadronic matter is studied through the channels $\pi \rho \to a_1 \to \pi \gamma$ and $K \rho \to K_1 \to K \gamma$. They are shown to be dominant channels in this spectrum. This study is carried out with an effective chiral lagrangian which includes vector and axial-vector mesons and explains well their relevant decays simultaneously.

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