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

J. Kapusta

doi:10.1016/0370-2693(84)91181-X

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

J. Kapusta

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

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 language	English (US)
Pages (from-to)	201-203
Number of pages	3
Journal	Physics Letters B
Volume	136
Issue number	3
DOIs	https://doi.org/10.1016/0370-2693(84)91181-X
State	Published - Mar 1 1984

Bibliographical note

Funding Information:
I am grateful to S. Rudaz and O. Vails for fruitful discussions. This work was supported by a Summer Research Grant from the Graduate School of the University of Minnesota.

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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.",

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N2 - 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.

AB - 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.

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

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