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Variation of jet quenching from RHIC to LHC and thermal suppression of QCD coupling constant

Authors :
Zakharov, B. G.
Publication Year :
2011

Abstract

We perform a joint jet tomographic analysis of the data on the nuclear modification factor $R_{AA}$ from PHENIX at RHIC and ALICE at LHC. The computations are performed accounting for radiative and collisional parton energy loss with running coupling constant. Our results show that the observed slow variation of $R_{AA}$ from RHIC to LHC indicates that the QCD coupling constant is suppressed in the quark-gluon plasma produced at LHC.<br />Comment: 9 pages, 2 figures

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.1105.2028
Document Type :
Working Paper
Full Text :
https://doi.org/10.1134/S0021364011120162