Jet momentum dependence of jet quenching in PbPb collisions at √sNN=2.76 TeV

被引：188

作者：

Chatrchyan, S. ^{[1
]}

Khachatryan, V. ^{[1
]}

Sirunyan, A. M. ^{[1
]}

Tumasyan, A. ^{[1
]}

Adam, W. ^{[2
]}

Bergauer, T. ^{[2
]}

Dragicevic, M. ^{[2
]}

Eroe, J. ^{[2
]}

Fabjan, C. ^{[2
]}

Friedl, M. ^{[2
]}

Fruehwirth, R. ^{[2
]}

Ghete, V. M. ^{[2
]}

Hammer, J. ^{[2
,117
]}

Hoermann, N. ^{[2
]}

Hrubec, J. ^{[2
]}

Jeitler, M. ^{[2
]}

Kiesenhofer, W. ^{[2
]}

Krammer, M. ^{[2
]}

Liko, D. ^{[2
]}

Mikulec, I. ^{[2
]}

Pernicka, M. ^{[2
]}

Rahbaran, B. ^{[2
]}

Rohringer, C. ^{[2
]}

Rohringer, H. ^{[2
]}

Schoefbeck, R. ^{[2
]}

Strauss, J. ^{[2
]}

Taurok, A. ^{[2
]}

Teischinger, F. ^{[2
]}

Wagner, P. ^{[2
]}

Waltenberger, W. ^{[2
]}

Walzel, G. ^{[2
]}

Widl, E. ^{[2
]}

Wulz, C. -E. ^{[2
]}

Mossolov, V. ^{[3
]}

Shumeiko, N. ^{[3
]}

Suarez Gonzalez, J. ^{[3
]}

Bansal, S. ^{[4
]}

Cornelis, T. ^{[4
]}

De Wolf, E. A. ^{[4
]}

Janssen, X. ^{[4
]}

Luyckx, S. ^{[4
]}

Maes, T. ^{[4
]}

Mucibello, L. ^{[4
]}

Ochesanu, S. ^{[4
]}

Roland, B. ^{[4
]}

Rougny, R. ^{[4
]}

Selvaggi, M. ^{[4
]}

Van Haevermaet, H. ^{[4
]}

Van Mechelen, P. ^{[4
]}

Van Remortel, N. ^{[4
]}

机构：

[1] Yerevan Phys Inst, Yerevan 375036, Armenia

[2] OeAW, Inst Hochenergiephys, Vienna, Austria

[3] Natl Ctr Particle & High Energy Phys, Minsk, BELARUS

[4] Univ Antwerp, B-2020 Antwerp, Belgium

[5] Vrije Univ Brussel, Brussels, Belgium

[6] Univ Libre Bruxelles, Brussels, Belgium

[7] Univ Ghent, B-9000 Ghent, Belgium

[8] Catholic Univ Louvain, B-1348 Louvain, Belgium

[9] Univ Mons, B-7000 Mons, Belgium

[10] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil

[11] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil

[12] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil

[13] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria

[14] Univ Sofia, BU-1126 Sofia, Bulgaria

[15] Inst High Energy Phys, Beijing 100039, Peoples R China

[16] Peking Univ, State Key Lab Nucl Phys & Tech, Beijing 100871, Peoples R China

[17] Univ Los Andes, Bogota, Colombia

[18] Tech Univ Split, Split, Croatia

[19] Univ Split, Split, Croatia

[20] Rudjer Boskovic Inst, Zagreb, Croatia

[21] Univ Cyprus, Nicosia, Cyprus

[22] Charles Univ Prague, Prague, Czech Republic

[23] Acad Sci Res & Technol Arab Republ Egypt, Egyptian Network High Energy Phys, Cairo, Egypt

[24] NICPB, Tallinn, Estonia

[25] Univ Helsinki, Dept Phys, Helsinki, Finland

[26] Helsinki Inst Phys, Helsinki, Finland

[27] Lappeenranta Univ Technol, Lappeenranta, Finland

[28] CNRS, IN2P3, Lab Annecy Le Vieux Phys Particules, Annecy Le Vieux, France

[29] CEA Saclay, DSM IRFU, F-91191 Gif Sur Yvette, France

[30] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France

[31] Univ Strasbourg, CNRS, Univ Haute Alsace Mulhouse, Inst Pluridisciplinaire Hubert Curien,IN2P3, Strasbourg, France

[32] IN2P3, Ctr Calcul, Villeurbanne, France

[33] Univ Lyon 1, CNRS, IN2P3, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France

[34] Tbilisi State Univ, Inst High Energy Phys & Informatizat, GE-380086 Tbilisi, Georgia

[35] Rhein Westfal TH Aachen, Inst Phys 1, Aachen, Germany

[36] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany

[37] Rhein Westfal TH Aachen, Phys Inst B 3, Aachen, Germany

[38] DESY, Hamburg, Germany

[39] Univ Hamburg, Hamburg, Germany

[40] Univ Karlsruhe, Inst Expt Kernphys, D-7500 Karlsruhe, Germany

[41] Inst Nucl Phys Demokritos, Aghia Paraskevi, Greece

[42] Univ Athens, Athens, Greece

[43] Univ Ioannina, GR-45110 Ioannina, Greece

[44] KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary

[45] Inst Nucl Res ATOMKI, Debrecen, Hungary

[46] Univ Debrecen, H-4012 Debrecen, Hungary

[47] Panjab Univ, Chandigarh 160014, India

[48] Univ Delhi, Delhi 110007, India

[49] Saha Inst Nucl Phys, Kolkata, India

[50] Bhabha Atom Res Ctr, Mumbai 400085, Maharashtra, India

来源：

PHYSICS LETTERS B | 2012年 / 712卷 / 03期

基金：

芬兰科学院; 英国科学技术设施理事会; 巴西圣保罗研究基金会; 美国国家科学基金会; 中国国家自然科学基金; 俄罗斯基础研究基金会;

关键词：

CMS; Physics; Heavy ion; Jet; QUARK-GLUON PLASMA; PERSPECTIVE;

D O I：

10.1016/j.physletb.2012.04.058

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Dijet production in PbPb collisions at a nucleon-nucleon center-of-mass energy of 2.76 TeV is studied with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity of 150 mu b(-1) is analyzed. Jets are reconstructed using combined information from tracking and calorimetry, using the anti-k(T) algorithm with R = 0.3. The dijet momentum balance and angular correlations are studied as a function of collision centrality and leading jet transverse momentum. For the most peripheral PbPb collisions, good agreement of the dijet momentum balance distributions with pp data and reference calculations at the same collision energy is found, while more central collisions show a strong imbalance of leading and subleading jet transverse momenta attributed to the jet-quenching effect. The dijets in central collisions are found to be more unbalanced than the reference, for leading jet transverse momenta up to the highest values studied. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.

引用

页码：176 / 197

页数：22

共 31 条

[1] Observation of a Centrality-Dependent Dijet Asymmetry in Lead-Lead Collisions at √sNN=2.76 TeV with the ATLAS Detector at the LHC [J].

Aad, G. ;

Abbott, B. ;

Abdallah, J. ;

Abdelalim, A. A. ;

Abdesselam, A. ;

Abdinov, O. ;

Abi, B. ;

Abolins, M. ;

Abramowicz, H. ;

Abreu, H. ;

Acerbi, E. ;

Acharya, B. S. ;

Ackers, M. ;

Adams, D. L. ;

Addy, T. N. ;

Adelman, J. ;

Aderholz, M. ;

Adomeit, S. ;

Adragna, P. ;

Adye, T. ;

Aefsky, S. ;

Aguilar-Saavedra, J. A. ;

Aharrouche, M. ;

Ahlen, S. P. ;

Ahles, F. ;

Ahmad, A. ;

Ahsan, M. ;

Aielli, G. ;

Akdogan, T. ;

Akesson, T. P. A. ;

Akimoto, G. ;

Akimov, A. V. ;

Alam, M. S. ;

Alam, M. A. ;

Albrand, S. ;

Aleksa, M. ;

Aleksandrov, I. N. ;

Aleppo, M. ;

Alessandria, F. ;

Alexa, C. ;

Alexander, G. ;

Alexandre, G. ;

Alexopoulos, T. ;

Alhroob, M. ;

Aliev, M. ;

Alimonti, G. ;

Alison, J. ;

Aliyev, M. ;

Allport, P. P. ;

Allwood-Spiers, S. E. .

PHYSICAL REVIEW LETTERS, 2010, 105 (25)

[2]

Aamodt K., 2012, PHYS REV LE IN PRESS

[3] Formation of dense partonic matter in relativistic nucleus-nucleus collisions at RHIC:: Experimental evaluation by the PHENIX Collaboration [J].

Adcox, K ;

Adler, SS ;

Afanasiev, S ;

Aidala, C ;

Ajitanand, NN ;

Akiba, Y ;

Al-Jamel, A ;

Alexander, J ;

Amirikas, R ;

Aoki, K ;

Aphecetche, L ;

Arai, Y ;

Armendariz, R ;

Aronson, SH ;

Averbeck, R ;

Awes, TC ;

Azmoun, R ;

Babintsev, V ;

Baldisseri, A ;

Barish, KN ;

Barnes, PD ;

Barrette, J ;

Bassalleck, B ;

Bathe, S ;

Batsouli, S ;

Baublis, V ;

Bauer, F ;

Bazilevsky, A ;

Belikov, S ;

Bellaiche, FG ;

Belyaev, ST ;

Bennett, MJ ;

Berdnikov, Y ;

Bhagavatula, S ;

Bjorndal, MT ;

Boissevain, JG ;

Borel, H ;

Borenstein, S ;

Botelho, S ;

Brooks, ML ;

Brown, DS ;

Bruner, N ;

Bucher, D ;

Buesching, H ;

Bumazhnov, V ;

Bunce, G ;

Burward-Hoy, JM ;

Butsyk, S ;

Camard, X ;

Carey, TA .

NUCLEAR PHYSICS A, 2005, 757 (1-2) :184-283

[4] GEANT4-a simulation toolkit [J].

Agostinelli, S ;

Allison, J ;

Amako, K ;

Apostolakis, J ;

Araujo, H ;

Arce, P ;

Asai, M ;

Axen, D ;

Banerjee, S ;

Barrand, G ;

Behner, F ;

Bellagamba, L ;

Boudreau, J ;

Broglia, L ;

Brunengo, A ;

Burkhardt, H ;

Chauvie, S ;

Chuma, J ;

Chytracek, R ;

Cooperman, G ;

Cosmo, G ;

Degtyarenko, P ;

Dell'Acqua, A ;

Depaola, G ;

Dietrich, D ;

Enami, R ;

Feliciello, A ;

Ferguson, C ;

Fesefeldt, H ;

Folger, G ;

Foppiano, F ;

Forti, A ;

Garelli, S ;

Giani, S ;

Giannitrapani, R ;

Gibin, D ;

Cadenas, JJG ;

González, I ;

Abril, GG ;

Greeniaus, G ;

Greiner, W ;

Grichine, V ;

Grossheim, A ;

Guatelli, S ;

Gumplinger, P ;

Hamatsu, R ;

Hashimoto, K ;

Hasui, H ;

Heikkinen, A ;

Howard, A .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2003, 506 (03) :250-303

[5]

[Anonymous], 1982, Report No. FERMILAB-PUB-82-059- THY

[6] Quark-gluon plasma and color glass condensate at RHIC?: The perspective from the BRAHMS experiment [J].

Arsene, I ;

Bearden, IG ;

Beavis, D ;

Besliu, C ;

Budick, B ;

Boggild, H ;

Chasman, C ;

Christensen, CH ;

Christiansen, P ;

Cibor, J ;

Debbe, R ;

Enger, E ;

Gaardhoje, JJ ;

Germinario, M ;

Hansen, O ;

Holm, A ;

Holme, AK ;

Hagel, K ;

Ito, H ;

Jakobsen, E ;

Jipa, A ;

Jundt, F ;

Jordre, JI ;

Jorgensen, CE ;

Karabowicz, R ;

Kim, EJ ;

Kozik, T ;

Larsen, TM ;

Lee, JH ;

Lee, YK ;

Lindahl, S ;

Lovhoiden, G ;

Majka, Z ;

Makeev, A ;

Mikelsen, M ;

Murray, MJ ;

Natowitz, J ;

Neumann, B ;

Nielsen, BS ;

Ouerdane, D ;

Planeta, R ;

Rami, F ;

Ristea, C ;

Ristea, O ;

Röhrich, D ;

Samset, BH ;

Sandberg, D ;

Sanders, SJ ;

Scheetz, RA ;

Staszel, P .

NUCLEAR PHYSICS A, 2005, 757 (1-2) :1-27

[7] The PHOBOS perspective on discoveries at RHIC [J].

Back, BB ;

Baker, MD ;

Ballintijn, M ;

Barton, DS ;

Becker, B ;

Betts, RR ;

Bickley, AA ;

Bindel, R ;

Budzanowski, A ;

Busza, W ;

Carroll, A ;

Chai, Z ;

Decowski, MP ;

García, E ;

Gburek, T ;

George, NK ;

Gulbrandsen, K ;

Gushue, S ;

Halliwell, C ;

Hamblen, J ;

Harrington, AS ;

Hauer, A ;

Heintzelman, GA ;

Henderson, C ;

Hofman, DJ ;

Hollis, RS ;

Holynski, C ;

Holzman, B ;

Iordanova, A ;

Johnson, E ;

Kane, JL ;

Katzy, J ;

Khan, N ;

Kucewicz, W ;

Kulinich, P ;

Kuo, CM ;

Lee, JW ;

Lin, WT ;

Manly, S ;

McLeod, D ;

Mignerey, AC ;

Nouicer, R ;

Olszewski, A ;

Pak, R ;

Park, IC ;

Pernegger, H ;

Reed, C ;

Remsberg, LP ;

Reuter, A ;

Roland, C .

NUCLEAR PHYSICS A, 2005, 757 (1-2) :28-101

[8]

Cacciari M., 2008, JHEP, V0804

[9] Fluctuations and asymmetric jet events in PbPb collisions at the LHC [J].

Cacciari, Matteo ;

Salam, Gavin P. ;

Soyez, Gregory .

EUROPEAN PHYSICAL JOURNAL C, 2011, 71 (06)

[10] Jet quenching via jet collimation [J].

Casalderrey-Solana, J. ;

Milhano, J. G. ;

Wiedemann, U. .

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, 2011, 38 (12)

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