Dilepton Radiation from Strongly Interacting Systems
Piotr Salabura, Joachim Stroth
TL;DR
This paper reviews how dilepton radiation from QCD matter serves as a tool to explore the properties and phases of strongly interacting systems, highlighting experimental findings and theoretical concepts.
Contribution
It provides a comprehensive overview of dilepton emission phenomenology, integrating experimental data and theoretical insights to advance understanding of QCD matter phases.
Findings
Dilepton emission observed in various QCD environments
Experimental data on lepton pair production in different processes
Discussion of dileptons as probes for exotic QCD phases
Abstract
We review the current understanding of time-like virtual photon emission from QCD matter. The phenomenology of dilepton emission is discussed and basic theoretical concepts are introduced. The experimental findings are presented, grouped into production of lepton pairs in elementary processes, production off cold nuclear matter and emission from heavy-ion collisions. The review emphasizes the role of dilepton emission as tool for studying exotic phases of QCD matter. Open questions and a route to probe the QCD phase diagram with dileptons are outlined.
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