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Observation of a centrality-dependent dijet asymmetry in lead-lead collisions at √sNN=2.76  TeV with the ATLAS detector at the LHC

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 reconst...

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Hauptverfasser: Aad, Georges (VerfasserIn) , Andrei, George Victor (VerfasserIn) , Dietzsch, Thorsten (VerfasserIn) , Hanke, Paul (VerfasserIn) , Khomich, Andrei (VerfasserIn) , Kluge, Eike-Erik (VerfasserIn) , Kugel, Andreas (VerfasserIn) , Männer, Reinhard (VerfasserIn) , Meier, Karlheinz (VerfasserIn) , Müller, Felix (VerfasserIn) , Poddar, Sahill (VerfasserIn) , Radescu, Voica (VerfasserIn) , Schätzel, Sebastian (VerfasserIn) , Scharf, Veit (VerfasserIn) , Schöning, André (VerfasserIn) , Schultz-Coulon, Hans-Christian (VerfasserIn) , Stamen, Rainer (VerfasserIn) , Wessels, Martin (VerfasserIn)
Körperschaft: ATLAS Collaboration (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 13 December 2010
In: Physical review letters
Year: 2022, Jahrgang: 105, Pages: 1-18
ISSN:1079-7114
DOI:10.1103/PhysRevLett.105.252303
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.105.252303
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.105.252303
Volltext
Verfasserangaben:G. Aad et al.* (ATLAS Collaboration)
Beschreibung
Zusammenfassung: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.
Beschreibung:Im Titel steht der Ausdruck "sNN" unter dem Wurzelzeichen
*ATLAS Collaboration: G. Aad, V. Andrei, T.A. Dietzsch, P. Hanke, A. Khomich, E.-E. Kluge, A. Kugel, R. Maenner, K. Meier, F. Mueller, S. Poddar, V. Radescu, S. Schaetzel, V. Scharf, A. Schoening, H.-C. Schultz-Coulon, R. Stamen, M. Wessels [und 3021 weitere Personen]
Gesehen am 31.10.2022
Beschreibung:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.105.252303

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