Elliptic Flow of Charged Particles in Pb-Pb Collisions at √sNN=2.76 TeV

被引：685

作者：

Aamodt, K. ^{[1
]}

Abelev, B. ^{[2
]}

Abrahantes Quintana, A. ^{[3
]}

Adamova, D. ^{[4
]}

Adare, A. M. ^{[5
]}

Aggarwal, M. M. ^{[6
]}

Rinella, G. Aglieri ^{[7
]}

Agocs, A. G. ^{[8
]}

Aguilar Salazar, S. ^{[9
]}

Ahammed, Z. ^{[10
]}

Masoodi, A. Ahmad ^{[11
]}

Ahmad, N. ^{[11
]}

Ahn, S. U. ^{[12
,44
]}

Akindinov, A. ^{[13
]}

Aleksandrov, D. ^{[14
]}

Alessandro, B. ^{[15
]}

Alfaro Molina, R. ^{[9
]}

Alici, A. ^{[16
,17
]}

Alkin, A.

Almaraz Avina, E. ^{[9
]}

Alt, T. ^{[19
]}

Altini, V. ^{[20
,21
]}

Altinpinar, S. ^{[22
,23
]}

Altsybeev, I. ^{[24
]}

Andrei, C. ^{[25
]}

Andronic, A. ^{[22
,23
]}

Anguelov, V. ^{[26
]}

Anson, C. ^{[27
]}

Anticic, T. ^{[28
]}

Antinori, F. ^{[29
,30
]}

Antonioli, P. ^{[17
]}

Aphecetche, L. ^{[31
]}

H. Appelshaeuser ^{[32
]}

Arbor, N. ^{[33
]}

Arcelli, S. ^{[16
,17
]}

Arend, A. ^{[32
]}

Armesto, N. ^{[34
,35
]}

Arnaldi, R. ^{[15
]}

Aronsson, T. ^{[5
]}

Arsene, I. C. ^{[22
,23
]}

Asryan, A. ^{[24
]}

Augustinus, A. ^{[7
]}

Averbeck, R. ^{[22
,23
]}

Awes, T. C. ^{[36
]}

Aysto, J. ^{[37
,38
]}

Azmi, M. D. ^{[11
]}

Bach, M. ^{[19
]}

Badala, A. ^{[39
]}

Baek, Y. W. ^{[12
]}

Bagnasco, S. ^{[15
]}

机构：

[1] Univ Bergen, Dept Phys & Technol, Bergen, Norway

[2] Lawrence Livermore Natl Lab, Livermore, CA USA

[3] Ctr Aplicac Tecnol & Desarrollo Nucl CEADEN, Havana, Cuba

[4] Acad Sci Czech Republ, Inst Nucl Phys, CZ-25068 Rez, Czech Republic

[5] Yale Univ, New Haven, CT USA

[6] Panjab Univ, Dept Phys, Chandigarh 160014, India

[7] European Org Nucl Res CERN, Geneva, Switzerland

[8] Hungarian Acad Sci, KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary

[9] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico

[10] Ctr Variable Energy Cyclotron, Kolkata, India

[11] Aligarh Muslim Univ, Dept Phys, Aligarh 202002, Uttar Pradesh, India

[12] Gangneung Wonju Natl Univ, Kangnung, South Korea

[13] Inst Theoret & Expt Phys, Moscow 117259, Russia

[14] Russian Res Ctr, Kurchatov Inst, Moscow, Russia

[15] Sezione Ist Nazl Fis Nucl, Turin, Italy

[16] Univ Bologna, Dipartimento Fis, Bologna, Italy

[17] Sezione Ist Nazl Fis Nucl, Bologna, Italy

[18] Bogolyubov Inst Theoret Phys, Kiev, Ukraine

[19] Goethe Univ Frankfurt, Frankfurt Inst Adv Studies, Frankfurt, Germany

[20] Dipartimento Interateneo Fis M Merlin, Bari, Italy

[21] Sezione Ist Nazl Fis Nucl, Bari, Italy

[22] GSI Helmholtzzentrum Schwerionenforsch, Div Res, Darmstadt, Germany

[23] GSI Helmholtzzentrum Schwerionenforsch, ExtreMe Matter Inst EMMI, Darmstadt, Germany

[24] St Petersburg State Univ, V Fock Inst Phys, St Petersburg, Russia

[25] Natl Inst Phys & Nucl Engn, Bucharest, Romania

[26] Heidelberg Univ, Kirchhoff Inst Phys, Heidelberg, Germany

[27] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[28] Rudjer Boskovic Inst, Zagreb, Croatia

[29] Univ Padua, Dipartimento Fis, Padua, Italy

[30] Sezione Ist Nazl Fis Nucl, Padua, Italy

[31] Univ Nantes, SUBATECH, Ecole Mines Nantes, CNRS IN2P3, Nantes, France

[32] Goethe Univ Frankfurt, Inst Kernphys, D-6000 Frankfurt, Germany

[33] Univ Grenoble 1, LPSC, CNRS IN2P3, Inst Polytech Grenoble, Grenoble, France

[34] Univ Santiago de Compostela, Dept Fis Particules, Santiago De Compostela, Spain

[35] Univ Santiago de Compostela, IGFAE, Santiago De Compostela, Spain

[36] Oak Ridge Natl Lab, Oak Ridge, TN USA

[37] Helsinki Inst Phys, Jyvaskyla, Finland

[38] Univ Jyvaskyla, Jyvaskyla, Finland

[39] Sezione Ist Nazl Fis Nucl, Catania, Italy

[40] Univ Turin, Dipartimento Fis Sperimentale, Turin, Italy

[41] Ctr Studi & Ric, Ctr Fermi, Rome, Italy

[42] Museo Stor Fis Enrico Fermi, Rome, Italy

[43] IRFU, CEA, Saclay, France

[44] Univ Blaise Pascal, Phys Corpusculaire Lab, Clermont Univ, CNRS IN2P3, Clermont Ferrand, France

[45] Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia

[46] Univ Catania, Dipartimento Fis & Astron, Catania, Italy

[47] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

[48] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland

[49] Univ Munster, Inst Kernphys, D-4400 Munster, Germany

[50] Joint Inst Nucl Res, Dubna, Russia

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 105卷 / 25期

基金：

美国国家科学基金会; 新加坡国家研究基金会; 英国科学技术设施理事会; 巴西圣保罗研究基金会; 中国国家自然科学基金; 瑞典研究理事会; 欧洲研究理事会; 芬兰科学院;

关键词：

QUARK-GLUON PLASMA; PLUS AU COLLISIONS; ANISOTROPIC FLOW; PERSPECTIVE; MATTER; LIMIT;

D O I：

10.1103/PhysRevLett.105.252302

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first measurement of charged particle elliptic flow in Pb-Pb collisions at root s(NN) p = 2.76 TeV with the ALICE detector at the CERN Large Hadron Collider. The measurement is performed in the central pseudorapidity region (vertical bar eta vertical bar < 0.8) and transverse momentum range 0.2 < p(t) < 5.0 GeV/c. The elliptic flow signal v(2), measured using the 4-particle correlation method, averaged over transverse momentum and pseudorapidity is 0.087 +/- 0.002(stat) +/- 0.003(syst) in the 40%-50% centrality class. The differential elliptic flow v(2)(p(t)) reaches a maximum of 0.2 near p(t) = 3 GeV/c. Compared to RHIC Au-Au collisions at root s(NN) = 200 GeV, the elliptic flow increases by about 30%. Some hydrodynamic model predictions which include viscous corrections are in agreement with the observed increase.

引用

页数：11

共 45 条

[11]

[Anonymous], ARXIVNUCLEX0312008

[12]

[Anonymous], LANDOLT BORNSTEIN RE

[13] Heavy-ion collisions at the LHC-Last call for predictions [J].

Armesto, N. ;

Borghini, N. ;

Jeon, S. ;

Wiedemann, U. A. ;

Abreu, S. ;

Akkelin, S. V. ;

Alam, J. ;

Albacete, J. L. ;

Andronic, A. ;

Antonov, D. ;

Arleo, F. ;

Armesto, N. ;

Arsene, I. C. ;

Barnafoeldi, G. G. ;

Barrette, J. ;

Baeuchle, B. ;

Becattini, F. ;

Betz, B. ;

Bleicher, M. ;

Bluhm, M. ;

Boer, D. ;

Bopp, F. W. ;

Braun-Munzinger, P. ;

Bravina, L. ;

Busza, W. ;

Cacciari, M. ;

Capella, A. ;

Casalderrey-Solana, J. ;

Chatterjee, R. ;

Chen, L-W ;

Cleymans, J. ;

Cole, B. A. ;

Del Valle, Z. Conesa ;

Csernai, L. P. ;

Cunqueiro, L. ;

Dainese, A. ;

de Deus, J. Dias ;

Ding, H-T ;

Djordjevic, M. ;

Drescher, H. ;

Dremin, I. M. ;

Dumitru, A. ;

Engel, R. ;

d'Enterria, D. ;

Eskola, K. J. ;

Fai, G. ;

Ferreiro, E. G. ;

Fries, R. J. ;

Frodermann, E. ;

Fujii, H. .

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, 2008, 35 (05)

[14] 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

[15] 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

[16]

Bai Y., 2007, THESIS NIKHEF UTRECH

[17] Analysis of anisotropic flow with Lee-Yang zeroes [J].

Bhalerao, RS ;

Borghini, N ;

Ollitrault, JY .

NUCLEAR PHYSICS A, 2003, 727 (3-4) :373-426

[18]

BILANDZIC A, ARXIV10100233

[19] Flow analysis from multiparticle azimuthal correlations [J].

Borghini, N ;

Dinh, PM ;

Ollitrault, JY .

PHYSICAL REVIEW C, 2001, 64 (05) :549011-5490123

[20] Hydrodynamic predictions for Pb plus Pb collisions at √sNN=2.76 TeV [J].

Bozek, Piotr ;

Chojnacki, Mikolaj ;

Florkowski, Wojciech ;

Tomasik, Boris .

PHYSICS LETTERS B, 2010, 694 (03) :238-241

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