Cherenkov mesons as in-medium quark energy loss

Details Cherenkov mesons as in-medium quark energy loss Cherenkov mesons as in-medium quark energy loss

2010-09-29

arxiv.org/abs/1009.5937v1

JHEP 1011:091,2010

Physics

High Energy Physics

High Energy Physics - Theory

PDFLaTeX, 32 pages + appendices

Scientific paper

10.1007/JHEP11(2010)091

We recently showed that a heavy quark moving sufficiently fast through a quark-gluon plasma may lose energy by Cherenkov-radiating mesons [1]. Here we review our previous holographic calculation of the energy loss in N=4 Super Yang-Mills and extend it to longitudinal vector mesons and scalar mesons. We also discuss phenomenological implications for heavy-ion collision experiments. Although the Cherenkov energy loss is an O(1/Nc) effect, a ballpark estimate yields a value of dE/dx for Nc=3 which is comparable to that of other mechanisms.

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