Inclusive jet measurements in Pb plus Pb collisions at 5 TeV with the ATLAS detector

被引：0
作者：
Slovak, Radim [1 ]
机构：
[1] Charles Univ Prague, Fac Math & Phys, V Holesovickach 2, CR-18000 Prague, Czech Republic
来源：
NUCLEAR AND PARTICLE PHYSICS PROCEEDINGS | 2017年 / 289卷
关键词：
heavy ion collisions; jet quenching; fragmentation functions;
D O I：
10.1016/j.nuclphysbps.2017.05.027
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
In relativistic heavy ion collisions, a hot medium with a high density of unscreened color charges is produced. Jets are produced at the early stages of this collision and are known to be affected by parton energy loss during their propagation through the hot medium. One manifestation of this energy loss is a lower yield of jets propagating the medium than expected in the absence of medium effects. ATLAS has provided a quantification of this jet suppression by the jet R-AA measurement in run 1 of the LHC. A factor of two suppression was seen in central heavy ion collisions with respect to pp collisions. The R-AA exhibited only a weak, if any, rapidity dependence, and a slow rise with increasing jet momentum. These proceedings summarizes results on the inclusive jet production, new results on dijet measurements and the measurement of the jet fragmentation in Pb+Pb collisions at center of mass energy of 2.76 TeV.
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页码：133 / 136
页数：4
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