Contribution to a conference proceedings/Internal Report

PUBDB-2015-05659

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Recent Heavy Ion Results on the Hard Scattering and Jet Quenching from the ATLAS and CMS experiments at the LHC

Olszewski, A. ; CMS Collaboration (Collaboration author) ; ATLAS Collaboration (Collaboration author)

2014
Deutsches Elektronen-Synchrotron, DESY Hamburg

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Please use a persistent id in citations: doi:10.3204/DESY-PROC-2014-04/287

Report No.: DESY-PROC-2014-04

Abstract: Recent results on studies of hard scattering processes and jet quenching in nuclear collisions from the ATLAS and CMS experiments at the Large Hadron Collider (LHC) are reviewed. They are based on high statistics samples of PbPb collisions at $\sqrt{s_{\rm NN}}=2.76$~TeV collected at the LHC in 2011, and $pp$ collisions at $\sqrt{s}=2.76$~TeV and $p$Pb collisions at $\sqrt{s_{\rm NN}}=5.02$~TeV collected in 2013. New results for the jet nuclear modification factor, $R_{\rm AA}$, confirm a strong suppression of jet production. Modifications of jet fragmentation properties in PbPb collisions, are observed. In $p$Pb collisions jets are not strongly modified, but some non-scaling behavior of jet rates in collisions with different centralities is observed by ATLAS. New measurements for the electroweak boson production in $p$Pb collisions allow a more precise testing of parton distributions in lead nuclei with the conclusion that the EPS09 description of nuclear modifications of parton distribution functions is preferred.

Keyword(s): hard scattering ; jet: quenching ; jet: fragmentation ; jet: suppression ; jet: production ; lead: nucleus ; heavy ion ; boson: production ; parton ; electroweak interaction ; distribution function ; ATLAS ; CMS ; CERN LHC Coll ; 2760 GeV5020 GeV

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Contributing Institute(s):

1. LHC/ATLAS Experiment (ATLAS)
2. LHC/CMS Experiment (CMS)
3. Uni Hamburg / Experimentalphysik (UNI/EXP)

Research Program(s):

1. 611 - Fundamental Particles and Forces (POF3-611) (POF3-611)

Experiment(s):

1. No specific instrument

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Database coverage:

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Linked articles:

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Book/Proceedings/Internal Report Schmidt, A. (Editor)>Extern* ; Sander, C. (Editor)DESY*
Proceedings, 20th International Conference on Particles and Nuclei (PANIC 14)
2014Panic2014, Panic2014, HamburgHamburg, Germany, 25 Aug 2014 - 29 Aug 20142014-08-252014-08-29 Hamburg : Deutsches Elektronen-Synchrotron, DESY 1-754 (2014) [10.3204/DESY-PROC-2014-04]2014     Files  Fulltext BibTeX | EndNote: XML, Text | RIS

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