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dc.contributor.author
CMS Collaboration
dc.contributor.author
Chatrchyan, Serguei
dc.contributor.author
Bachmair, Felix
dc.contributor.author
Bäni, Lukas
dc.contributor.author
Bianchini, Lorenzo
dc.contributor.author
Bortignon, Pierluigi
dc.contributor.author
Buchmann, Marco A.
dc.contributor.author
Casal, Bruno
dc.contributor.author
Chanon, Nicolas
dc.contributor.author
Deisher, Amanda
dc.contributor.author
Dissertori, Günther
dc.contributor.author
Dittmar, Michael
dc.contributor.author
Donegà, Mauro
dc.contributor.author
Dünser, Marc
dc.contributor.author
Eller, Philipp
dc.contributor.author
Grab, Christoph
dc.contributor.author
Hits, Dmitry
dc.contributor.author
Lustermann, Werner
dc.contributor.author
Mangano, Boris
dc.contributor.author
Marini, Andrea C.
dc.contributor.author
Martinez Ruiz del Arbol, Pablo
dc.contributor.author
Meister, Daniel
dc.contributor.author
Mohr, Niklas
dc.contributor.author
Nägeli, Christoph
dc.contributor.author
Nef, Pascal
dc.contributor.author
Nessi-Tedaldi, Francesca
dc.contributor.author
Pandolfi, Francesco
dc.contributor.author
Pape, Luc
dc.contributor.author
Pauss, Felicitas
dc.contributor.author
Peruzzi, Marco
dc.contributor.author
Quittnat, Milena
dc.contributor.author
Ronga, Frédéric J.
dc.contributor.author
Rossini, Marco
dc.contributor.author
Starodumov, Andrey
dc.contributor.author
Takahashi, Maiko
dc.contributor.author
Tauscher, Ludwig
dc.contributor.author
Theofilatos, Konstantinos
dc.contributor.author
Treille, Daniel
dc.contributor.author
Wallny, Rainer
dc.contributor.author
Weber, Hannsjörg A.
dc.contributor.author
et al.
dc.date.accessioned
2018-05-03T12:45:26Z
dc.date.available
2017-06-11T05:33:02Z
dc.date.available
2018-05-03T12:45:26Z
dc.date.issued
2014-02
dc.identifier.other
10.1007/JHEP02(2014)088
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/81108
dc.identifier.doi
10.3929/ethz-b-000081108
dc.description.abstract
Azimuthal dihadron correlations of charged particles have been measured in PbPb collisions at sNN−−−−√ = 2.76TeV by the CMS collaboration, using data from the 2011 LHC heavy-ion run. The data set includes a sample of ultra-central (0-0.2% centrality) PbPb events collected using a trigger based on total transverse energy in the hadron forward calorimeters and the total multiplicity of pixel clusters in the silicon pixel tracker. A total of about 1.8 million ultra-central events were recorded, corresponding to an integrated luminosity of 120 μb − 1. The observed correlations in ultra-central PbPb events are expected to be particularly sensitive to initial-state fluctuations. The single-particle anisotropy Fourier harmonics, from v 2 to v 6, are extracted as a function of particle transverse momentum. At higher transverse momentum, the v 2 harmonic becomes significantly smaller than the higher-order v n (n ≥ 3). The p T-averaged v 2 and v 3 are found to be equal within 2%, while higher-order v n decrease as n increases. The breakdown of factorization of dihadron correlations into single-particle azimuthal anisotropies is observed. This effect is found to be most prominent in the ultra-central PbPb collisions, where the initial-state fluctuations play a dominant role. A comparison of the factorization data to hydrodynamic predictions with event-by-event fluctuating initial conditions is also presented.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Springer
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
Relativistic heavy ion physics
en_US
dc.subject
Heavy Ions
en_US
dc.subject
Harmonic flow
en_US
dc.title
Studies of azimuthal dihadron correlations in ultra-central PbPb collisions at √sNN=2.76 TeV
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2014-02-20
ethz.journal.title
Journal of High Energy Physics
ethz.journal.volume
2014
en_US
ethz.journal.issue
2
en_US
ethz.pages.start
88
en_US
ethz.size
38 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.identifier.nebis
001934172
ethz.publication.place
Berlin
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich, direkt::00012 - Lehre und Forschung, direkt::00007 - Departemente, direkt::02010 - Departement Physik / Department of Physics::02532 - Institut für Teilchenphysik (IPP) / Institute for Particle Physics (IPP)::03381 - Pauss, Felicitas (emeritus)
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::03593 - Dissertori, Günther / Dissertori, Günther
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::03904 - Wallny, Rainer / Wallny, Rainer
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::08803 - Grab, Christoph (Tit.Prof.)
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich, direkt::00012 - Lehre und Forschung, direkt::00007 - Departemente, direkt::02010 - Departement Physik / Department of Physics::02532 - Institut für Teilchenphysik (IPP) / Institute for Particle Physics (IPP)::03381 - Pauss, Felicitas (emeritus)
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::03593 - Dissertori, Günther / Dissertori, Günther
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::03904 - Wallny, Rainer / Wallny, Rainer
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::08803 - Grab, Christoph (Tit.Prof.)
ethz.date.deposited
2017-06-11T05:33:26Z
ethz.source
ECIT
ethz.identifier.importid
imp593651ac055e051670
ethz.ecitpid
pub:127621
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2017-07-17T09:09:12Z
ethz.rosetta.lastUpdated
2018-12-02T09:55:01Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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