Charles Gale et al 2004 J. Phys. G: Nucl. Part. Phys. 30 S1013 doi:10.1088/0954-3899/30/8/049
The electromagnetic signature of jets
Charles Gale1, T C Awes2, Rainer J Fries3 and Dinesh K Srivastava4
Show affiliationsRecent RHIC data have suggested an interesting scenario where jets, after being formed in the very first instants of the nuclear collision, interact strongly and are absorbed by the hot and dense matter subsequently created. In this respect, electromagnetic signals constitute another class of penetrating radiation. We first propose the study of large mass dileptons induced by the passage of high-energy quark jets through quark–gluon plasma. We find that the yield due to the jet–plasma interaction gets progressively larger as the collision energy increases: it is slightly less than the Drell–Yan contribution at RHIC energies, and it is a factor of 10 larger than Drell–Yan at the LHC. In a related investigation, we then propose to study dilepton-tagged jets. We estimate quantitatively the various background sources, and identify windows where those are sub-dominant.
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Issue 8 (August 2004)
Received 15 March 2004
Published 19 July 2004
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The electromagnetic signature of jets
Charles Gale et al 2004 J. Phys. G: Nucl. Part. Phys. 30 S1013
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