Centrality and pseudorapidity dependence of charged hadron production at intermediate pT in Au+Au collisions at sNN=130GeV

J. Adams,M. M. Aggarwal, Z. Ahammed,J. Amonett,B. D. Anderson,D. Arkhipkin,G. S. Averichev, Y. Bai,J. Balewski,O. Barannikova,L. S. Barnby,J. Baudot,S. Bekele,V. Belaga, R. Bellwied,J. Berger,B. Bezverkhny,S. Bharadwaj,V. Bhatia,H. Bichsel,A. Billmeier,L. Bland,C. Blyth,B. Bonner,M. Botje, A. Boucham,A. Brandin,A. Bravar,M. Bystersky,R. Cadman,X. Cai, H. Caines,M. Calderón de la Barca Sánchez,J. Carroll,J. Castillo, D. Cebra,P. Chaloupka,S. Chattopdhyay,H. Chen,Y. Chen,J. Cheng,M. Cherney, A. Chikanian,W. Christie,J. Coffin,T. Cormier,J. Cramer,H. Crawford,D. Das,S. Das,M. de Moura,A. Derevschikov,L. Didenko,T. Dietel,W. Dong, X. Dong,J. Draper,F. Du,A. Dubey,V. Dunin,J. Dunlop,M. Dutta Mazumdar,V. Eckardt,W. Edwards,L. Efimov,V. Emelianov,J. Engelage, G. Eppley,B. Erazmus,M. Estienne,P. Fachini,J. Faivre,R. Fatemi,J. Fedorisin,K. Filimonov,P. Filip,E. Finch,V. Fine,Y. Fisyak,K. Foley,K. Fomenko,J. Fu,C. Gagliardi,J. Gans,M. Ganti,L. Gaudichet,F. Geurts,V. Ghazikhanian,P. Ghosh,J. Gonzalez, O. Grachov,O. Grebenyuk,D. Grosnick,S. Guertin, A. Gupta,T. Gutierrez,T. Hallman,A. Hamed,D. Hardtke,J. Harris,M. Heinz,T. Henry,S. Hepplemann, B. Hippolyte, A. Hirsch, E. Hjort,G. Hoffmann,H. Huang,S. Huang,E. Hughes,T. Humanic, G. Igo,A. Ishihara, P. Jacobs,W. Jacobs,M. Janik,H. Jiang, P. Jones,E. Judd, S. Kabana,K. Kang,M. Kaplan,D. Keane,V. Khodyrev,J. Kiryluk,A. Kisiel,E. Kislov,J. Klay,S. Klein,A. Klyachko,D. Koetke,T. Kollegger,M. Kopytine,L. Kotchenda,M. Kramer,P. Kravtsov,V. Kravtsov, K. Krueger,C. Kuhn, A. Kulikov, A. Kumar,C. Kunz,R. Kutuev,A. Kuznetsov,M. Lamont,J. Landgraf,S. Lange,F. Laue, J. Lauret,A. Lebedev,R. Lednicky,S. Lehocka,M. LeVine,C. Li,Q. Li, Y. Li, S. Lindenbaum,M. Lisa, F. Liu,L. Liu,Q. Liu,Z. Liu,T. Ljubicic,W. Llope,H. Long,R. Longacre,M. Lopez-Noriega,W. Love,Y. Lu,T. Ludlam, D. Lynn,G. Ma,J. Ma,Y. Ma,D. Magestro,S. Mahajan,D. Mahapatra,R. Majka,L. Mangotra,R. Manweiler,S. Margetis, C. Markert,L. Martin,J. Marx,H. Matis,Yu. Matulenko,C. McClain,T. McShane,F. Meissner,Yu. Melnick, A. Meschanin,M. Miller,Z. Milosevich,N. Minaev, C. Mironov, A. Mischke,D. Mishra,J. Mitchell,B. Mohanty,L. Molnar,C. Moore,M. Mora-Corral,D. Morozov,V. Morozov,M. Munhoz,B. Nandi,T. Nayak,J. Nelson,P. Netrakanti, V. Nikitin,L. Nogach,B. Norman,S. Nurushev,G. Odyniec,A. Ogawa,V. Okorokov,M. Oldenburg, D. Olson,S. Pal,Y. Panebratsev, S. Panitkin,A. Pavlinov,T. Pawlak,T. Peitzmann,V. Perevoztchikov,C. Perkins, W. Peryt,V. Petrov,S. Phatak,R. Picha,M. Planinic, J. Pluta,N. Porile,J. Porter,A. Poskanzer,M. Potekhin,E. Potrebenikova,B. Potukuchi,D. Prindle, C. Pruneau, J. Putschke,G. Rai, G. Rakness, R. Raniwala, S. Raniwala,O. Ravel,R. Ray,S. Razin,D. Reichhold,J. Reid, G. Renault,F. Retiere,A. Ridiger,H. Ritter,J. Roberts,O. Rogachevskiy, J. Romero, A. Rose, C. Roy,L. Ruan,R. Sahoo,I. Sakrejda, S. Salur,J. Sandweiss, I. Savin,P. Sazhin,J. Schambach,R. Scharenberg,N. Schmitz,L. Schroeder,K. Schweda,J. Seger,P. Seyboth,E. Shahaliev,M. Shao,W. Shao,M. Sharma,W. Shen,K. Shestermanov,S. Shimanskiy,F. Simon,R. Singaraju,G. Skoro, N. Smirnov,R. Snellings,G. Sood,P. Sorensen, J. Sowinski,J. Speltz,H. Spinka, B. Srivastava,A. Stadnik,T. Stanislaus,R. Stock,A. Stolpovsky,M. Strikhanov,B. Stringfellow,A. Suaide, E. Sugarbaker, C. Suire,M. Sumbera,B. Surrow,T. Symons,A. Szanto de Toledo,P. Szarwas,A. Tai,J. Takahashi,A. Tang,T. Tarnowsky,D. Thein,J. Thomas,S. Timoshenko,M. Tokarev,T. Trainor,S. Trentalange,R. Tribble,O. Tsai,J. Ulery,T. Ullrich,D. Underwood,A. Urkinbaev,G. Van Buren,A. Vander Molen,R. Varma,I. Vasilevski,A. Vasiliev,R. Vernet,S. Vigdor,Y. Viyogi,S. Vokal,M. Vznuzdaev,B. Waggoner, F. Wang,G. Wang,X. Wang,Y. Wang, Z. Wang,H. Ward,J. Watson,J. Webb,R. Wells,G. Westfall,A. Wetzler,C. Whitten,H. Wieman,S. Wissink,R. Witt,J. Wood,J. Wu,N. Xu,Z. Xu,E. Yamamoto,P. Yepes,V. Yurevich,Y. Zanevsky,H. Zhang, W. Zhang,Z. Zhang,P. Zolnierczuk,R. Zoulkarneev,Y. Zoulkarneeva,A. Zubarev

PHYSICAL REVIEW C(2004)

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摘要
We present STAR measurements of charged hadron production as a function of centrality in Au+Au collisions at roots(NN)=130 GeV. The measurements cover a phase space region of 0.2p(T)(cut), and studied the results in the framework of participant and binary scaling. No clear evidence is observed for participant scaling of charged hadron yield in the measured p(T) region. The relative importance of hard scattering processes is investigated through binary scaling fraction of particle production.
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