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Jet-Hadron Correlations in √s[subscript NN] = 200 GeV p + p and Central Au + Au Collisions

Author(s)
Stevens, Justin; van Nieuwenhuizen, Gerrit J
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Abstract
Azimuthal angular correlations of charged hadrons with respect to the axis of a reconstructed (trigger) jet in Au + Au and p + p collisions at √s[subscript NN] = 200  GeV in STAR are presented. The trigger jet population in Au + Au collisions is biased toward jets that have not interacted with the medium, allowing easier matching of jet energies between Au + Au and p + p collisions while enhancing medium effects on the recoil jet. The associated hadron yield of the recoil jet is significantly suppressed at high transverse momentum (p[assoc over T]) and enhanced at low p[assoc over T] in 0%–20% central Au + Au collisions compared to p + p collisions, which is indicative of medium-induced parton energy loss in ultrarelativistic heavy-ion collisions.
Date issued
2014-03
URI
http://hdl.handle.net/1721.1/88987
Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Adamczyk, L., J. K. Adkins, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, I. Alekseev, J. Alford, et al. “Jet-Hadron Correlations in √s[subscript NN] = 200 GeV p + p and Central Au + Au Collisions.” Physical Review Letters 112, no. 12 (March 2014). © 2014 American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114

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