The STAR Collaboration et al 2007 J. Phys. G: Nucl. Part. Phys. 34 799 doi:10.1088/0954-3899/34/5/002
= 130 GeV
The STAR Collaboration, J Adams1, M M Aggarwal2, Z Ahammed3, J Amonett4, B D Anderson4, M Anderson5, D Arkhipkin6, G S Averichev7, Y Bai8, J Balewski9, O Barannikova1, L S Barnby1, J Baudot10, S Bekele11, V V Belaga7, A Bellingeri-Laurikainen12, R Bellwied13, B I Bezverkhny14, S Bhardwaj15, A Bhasin16, A K Bhati2, H Bichsel17, J Bielcik14, J Bielcikova14, L C Bland18, C O Blyth1, S-L Blyth19, B E Bonner20, M Botje8, J Bouchet12, A V Brandin21, A Bravar18, M Bystersky22, R V Cadman23, X Z Cai24, H Caines14, M Calderón de la Barca Sánchez5, J Castillo8, O Catu14, D Cebra5, Z Chajecki11, P Chaloupka22, S Chattopadhyay3, H F Chen25, J H Chen24, Y Chen26, J Cheng27, M Cherney28, A Chikanian14, H A Choi29, W Christie18, J P Coffin10, T M Cormier13, M R Cosentino30, J G Cramer17, H J Crawford31, D Das3, S Das3, M Daugherity32, M M de Moura30, T G Dedovich7, M DePhillips18, A A Derevschikov33, L Didenko18, T Dietel34, P Djawotho9, S M Dogra16, W J Dong26, X Dong25, J E Draper5, F Du14, V B Dunin7, J C Dunlop18, M R Dutta Mazumdar3, V Eckardt35, W R Edwards19, L G Efimov7, V Emelianov21, J Engelage31, G Eppley20, B Erazmus12, M Estienne10, P Fachini18, R Fatemi36, J Fedorisin7, K Filimonov19, P Filip6, E Finch14, V Fine18, Y Fisyak18, J Fu37, C A Gagliardi38, L Gaillard1, J Gans14, M S Ganti3, V Ghazikhanian26, P Ghosh3, J E Gonzalez26, Y G Gorbunov28, H Gos39, O Grebenyuk8, D Grosnick40, S M Guertin26, K S F F Guimaraes30, Y Guo13, N Gupta16, T D Gutierrez5, B Haag5, T J Hallman18, A Hamed13, J W Harris14, W He9, M Heinz14, T W Henry38, S Hepplemann41, B Hippolyte10, A Hirsch42, E Hjort19, G W Hoffmann32, M J Horner19, H Z Huang26, S L Huang25, E W Hughes43, T J Humanic11, G Igo26, A Ishihara32, P Jacobs19, W W Jacobs9, P Jakl22, F Jia44, H Jiang26, P G Jones1, E G Judd31, S Kabana12, K Kang27, J Kapitan22, M Kaplan45, D Keane4, A Kechechyan7, V Yu Khodyrev33, B C Kim29, J Kiryluk36, A Kisiel39, E M Kislov7, S R Klein19, D D Koetke40, T Kollegger34, M Kopytine4, L Kotchenda21, V Kouchpil22, K L Kowalik19, M Kramer46, P Kravtsov21, V I Kravtsov33, K Krueger23, C Kuhn10, A I Kulikov7, A Kumar2, A A Kuznetsov7, M A C Lamont14, J M Landgraf18, S Lange34, S LaPointe13, F Laue18, J Lauret18, A Lebedev18, R Lednicky6, C-H Lee29, S Lehocka7, M J LeVine18, C Li25, Q Li13, Y Li27, G Lin14, S J Lindenbaum46, M A Lisa11, F Liu37, H Liu25, J Liu20, L Liu37, Z Liu37, T Ljubicic18, W J Llope20, H Long26, R S Longacre18, M Lopez-Noriega11, W A Love18, Y Lu37, T Ludlam18, D Lynn18, G L Ma24, J G Ma26, Y G Ma24, D Magestro11, D P Mahapatra47, R Majka14, L K Mangotra16, R Manweiler40, S Margetis4, C Markert4, L Martin12, H S Matis19, Yu A Matulenko33, C J McClain23, T S McShane28, Yu Melnick33, A Meschanin33, M L Miller36, N G Minaev33, S Mioduszewski38, C Mironov4, A Mischke8, D K Mishra47, J Mitchell20, B Mohanty3, L Molnar42, C F Moore32, D A Morozov33, M G Munhoz30, B K Nandi48, C Nattrass14, T K Nayak3, J M Nelson1, P K Netrakanti3, V A Nikitin6, L V Nogach33, S B Nurushev33, G Odyniec19, A Ogawa18, V Okorokov21, M Oldenburg19, D Olson19, M Pachr22, S K Pal3, Y Panebratsev7, S Y Panitkin18, A I Pavlinov13, T Pawlak39, T Peitzmann8, V Perevoztchikov18, C Perkins31, W Peryt39, V A Petrov13, S C Phatak47, R Picha5, M Planinic49, J Pluta39, N Poljak49, N Porile42, J Porter17, A M Poskanzer19, M Potekhin18, E Potrebenikova7, B V K S Potukuchi16, D Prindle17, C Pruneau13, J Putschke19, G Rakness41, R Raniwala15, S Raniwala15, R L Ray32, S V Razin7, J G Reid17, J Reinnarth12, D Relyea43, F Retiere19, A Ridiger21, H G Ritter19, J B Roberts20, O V Rogachevskiy7, J L Romero5, A Rose19, C Roy12, L Ruan19, M J Russcher8, R Sahoo47, I Sakrejda19, S Salur14, J Sandweiss14, M Sarsour38, P S Sazhin7, J Schambach32, R P Scharenberg42, N Schmitz35, K Schweda19, J Seger28, I Selyuzhenkov13, P Seyboth35, A Shabetai19, E Shahaliev7, M Shao25, M Sharma2, W Q Shen24, S S Shimanskiy7, E Sichtermann19, F Simon36, R N Singaraju3, N Smirnov14, R Snellings8, G Sood40, P Sorensen18, J Sowinski9, J Speltz10, H M Spinka23, B Srivastava42, A Stadnik7, T D S Stanislaus40, R Stock34, A Stolpovsky13, M Strikhanov21, B Stringfellow42, A A P Suaide30, E Sugarbaker11, M Sumbera22, Z Sun44, B Surrow36, M Swanger28, T J M Symons19, A Szanto de Toledo30, A Tai26, J Takahashi30, A H Tang18, T Tarnowsky42, D Thein26, J H Thomas19, A R Timmins1, S Timoshenko21, M Tokarev7, T A Trainor17, S Trentalange26, R E Tribble38, O D Tsai26, J Ulery42, T Ullrich18, D G Underwood23, G Van Buren18, N van der Kolk8, M van Leeuwen19, A M Vander Molen50, R Varma48, I M Vasilevski6, A N Vasiliev33, R Vernet10, S E Vigdor9, Y P Viyogi3, S Vokal7, S A Voloshin13, W T Waggoner28, F Wang42, G Wang26, J S Wang44, X L Wang25, Y Wang27, J W Watson4, J C Webb40, G D Westfall50, A Wetzler19, C Whitten Jr26, H Wieman19, S W Wissink9, R Witt14, J Wood26, J Wu25, N Xu19, Q H Xu19, Z Xu18, P Yepes20, I-K Yoo29, V I Yurevich7, W Zhan44, H Zhang18, W M Zhang4, Y Zhang25, Z P Zhang25, Y Zhao25, C Zhong24, R Zoulkarneev6, Y Zoulkarneeva6, A N Zubarev7 and J X Zuo24
Show affiliationsMeasurements of two-particle correlations on transverse momentum pt for Au–Au collisions at
GeV are presented. Significant large-momentum-scale correlations are observed for charged primary hadrons with 0.15 ≤ pt ≤ 2 GeV/c and pseudorapidity |η| ≤ 1.3. Such correlations were not observed in a similar study at lower energy and are not predicted by theoretical collision models. Their direct relation to mean-pt fluctuations measured in the same angular acceptance is demonstrated. Positive correlations are observed for pairs of particles which have large pt values while negative correlations occur for pairs in which one particle has large pt and the other has much lower pt. The correlation amplitudes per final state particle increase with collision centrality. The observed correlations are consistent with a scenario in which the transverse momentum of hadrons associated with initial-stage semi-hard parton scattering is dissipated by the medium to lower pt.
25.75.Gz Particle correlations and fluctuations
24.60.Ky Fluctuation phenomena
24.85.+p Quarks, gluons, and QCD in nuclear reactions
27.80.+w 190(less-than-or-equal-to)A(less-than-or-equal-to)219
Issue 5 (May 2007)
Received 14 November 2006
Published 30 March 2007
= 130 GeV
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