Electron-positron pair production as a probe of chiral symmetry in a hot QCD plasma

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Abstract

Chiral symmetry in the high-temperature plasma phase of QCD is consistent with at least three qualitatively different quark dispersion relations. The rate for qq → e+e-, with zero total momentum of the e+e- pair in the plasma rest frame is direct measure of the quark dispersion relation. For the three plausible dispersion relations the rates differ by orders of magnitude when the e+e- invariant mass M < 2T.

Original languageEnglish (US)
Pages (from-to)201-203
Number of pages3
JournalPhysics Letters B
Volume136
Issue number3
DOIs
StatePublished - Mar 1 1984

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