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|a Taylor, Frank E.
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|a Massachusetts Institute of Technology. Department of Physics
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|a Taylor, Frank E.
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|a Taylor, Frank E.
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|a Observation of a Centrality-Dependent Dijet Asymmetry in Lead-Lead Collisions at [sqrt]sNN=2.76 TeV with the ATLAS Detector at the LHC
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|a Observation of a Centrality-Dependent Dijet Asymmetry in Lead-Lead Collisions at √sNN=2.76 TeV with the ATLAS Detector at the LHC
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|b American Physical Society,
|c 2011-05-10T15:19:37Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/62796
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|a By using the ATLAS detector, observations have been made of a centrality-dependent dijet asymmetry in the collisions of lead ions at the Large Hadron Collider. In a sample of lead-lead events with a per-nucleon center of mass energy of 2.76 TeV, selected with a minimum bias trigger, jets are reconstructed in fine-grained, longitudinally segmented electromagnetic and hadronic calorimeters. The transverse energies of dijets in opposite hemispheres are observed to become systematically more unbalanced with increasing event centrality leading to a large number of events which contain highly asymmetric dijets. This is the first observation of an enhancement of events with such large dijet asymmetries, not observed in proton-proton collisions, which may point to an interpretation in terms of strong jet energy loss in a hot, dense medium.
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|a United States. Dept. of Energy
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|a National Science Foundation (U.S.)
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|a en_US
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|a Article
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|t Physical Review Letters
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