Suppression of dilepton production in hot hadronic matter
- Cyclotron Institute and Physics Department, Texas A&M University, College Station, Texas 77843 (United States)
- Department of Physics, Yonsei University, Seoul 120-749 (Korea, Republic of)
Dilepton production from pion-pion annihilation in a hot hadronic matter is studied using an effective chiral Lagrangian that includes explicitly vector mesons. We find that the production rate for dileptons with invariant masses around the {rho}-meson resonance is suppressed as a result of the modification of the pion electromagnetic form factor at finite temperature. The relevance of this phenomenon to the partial restoration of chiral symmetry in hot hadronic matter is discussed.
- OSTI ID:
- 112947
- Journal Information:
- Physical Review, C, Journal Name: Physical Review, C Journal Issue: 2 Vol. 52; ISSN PRVCAN; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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