Multiplicity Distribution And Spectra Of Negatively Charged Hadrons In Au+Au Collisions At Root S(Nn)=130 Gev

C. Adler, Z. Ahammed,C. Allgower,J. Amonett,B. Anderson,M. Anderson,G. Averichev,J. Balewski,O. Barannikova,L. Barnby,J. Baudot,S. Bekele,V. Belaga, R. Bellwied,J. Berger,H. Bichsel,L. Bland,C. Blyth,B. Bonner,R. Bossingham, A. Boucham,A. Brandin, H. Caines,M. Calderón de la Barca Sánchez,A. Cardenas,J. Carroll,J. Castillo,M. Castro, D. Cebra,S. Chattopadhyay,M. Chen, Y. Chen,S. Chernenko,M. Cherney, A. Chikanian, B. Choi,W. Christie,J. Coffin,L. Conin,T. Cormier,J. Cramer,H. Crawford,M. DeMello,W. Deng,A. Derevschikov,L. Didenko,J. Draper,V. Dunin,J. Dunlop,V. Eckardt,L. Efimov,V. Emelianov,J. Engelage, G. Eppley,B. Erazmus,P. Fachini,E. Finch,Y. Fisyak,D. Flierl,K. Foley,J. Fu,N. Gagunashvili,J. Gans,L. Gaudichet,M. Germain,F. Geurts,V. Ghazikhanian,J. Grabski,O. Grachov,D. Greiner,V. Grigoriev,M. Guedon,E. Gushin,T. Hallman,D. Hardtke,J. Harris,M. Heffner,S. Heppelmann,T. Herston, B. Hippolyte, A. Hirsch, E. Hjort,G. Hoffmann,M. Horsley,H. Huang,T. Humanic,H. Hümmler, G. Igo,A. Ishihara,Yu. Ivanshin,P. Jacobs,W. Jacobs,M. Janik,I. Johnson,P. Jones,E. Judd,M. Kaneta,M. Kaplan,D. Keane,A. Kisiel,J. Klay,S. Klein,A. Klyachko,A. Konstantinov,L. Kotchenda,A. Kovalenko,M. Kramer,P. Kravtsov, K. Krueger,C. Kuhn, A. Kulikov,G. Kunde,C. Kunz,R. Kutuev,A. Kuznetsov,L. Lakehal-Ayat,J. Lamas-Valverde,M. Lamont,J. Landgraf,S. Lange,C. Lansdell,B. Lasiuk,F. Laue,A. Lebedev, T. LeCompte,R. Lednický,V. Leontiev,P. Leszczynski,M. LeVine,Q. Li, S. Lindenbaum,M. Lisa,T. Ljubicic,W. Llope,G. LoCurto,H. Long,R. Longacre,M. Lopez-Noriega,W. Love, D. Lynn,R. Majka,A. Maliszewski,S. Margetis,L. Martin,J. Marx,H. Matis,Yu. Matulenko,T. McShane,F. Meissner,Yu. Melnick, A. Meschanin, M. Messer,M. Miller,Z. Milosevich,N. Minaev,J. Mitchell,V. Moiseenko,D. Moltz,C. Moore,V. Morozov,M. de Moura,M. Munhoz,G. Mutchler,J. Nelson, P. Nevski, V. Nikitin,L. Nogach,B. Norman,S. Nurushev,G. Odyniec,A. Ogawa,V. Okorokov,M. Oldenburg, D. Olson,G. Paic,S. Pandey,Y. Panebratsev, S. Panitkin,A. Pavlinov,T. Pawlak,V. Perevoztchikov, W. Peryt,V. A. Petrov,W. Pinganaud,E. Platner, J. Pluta,N. Porile,J. Porter,A. Poskanzer,E. Potrebenikova,D. Prindle,C. Pruneau,S. Radomski,G. Rai,O. Ravel,R. Ray,S. Razin,D. Reichhold,J. Reid,F. Retiere,A. Ridiger,H. Ritter,J. Roberts,O. Rogachevski, J. Romero, C. Roy,D. Russ,V. Rykov,I. Sakrejda,J. Sandweiss,A. Saulys, I. Savin,J. Schambach,R. Scharenberg,K. Schweda,N. Schmitz,L. Schroeder,A. Schüttauf,J. Seger,D. Seliverstov,P. Seyboth,E. Shahaliev,K. Shestermanov,S. Shimanskii,V. Shvetcov,G. Skoro, N. Smirnov,R. Snellings, J. Sowinski,H. Spinka, B. Srivastava,E. Stephenson,R. Stock,A. Stolpovsky,M. Strikhanov,B. Stringfellow,H. Stroebele,C. Struck,A. Suaide, E. Sugarbaker, C. Suire,M. Šumbera,T. Symons,A. Szanto de Toledo,P. Szarwas,J. Takahashi,A. Tang,J. Thomas,V. Tikhomirov,T. Trainor,S. Trentalange,M. Tokarev,M. Tonjes, V. Trofimov,O. Tsai,K. Turner,T. Ullrich,D. Underwood,G. Van Buren,A. VanderMolen,A. Vanyashin,I. Vasilevski,A. Vasiliev,S. Vigdor,S. Voloshin, F. Wang,H. Ward,J. Watson,R. Wells, T. Wenaus,G. Westfall,C. Whitten,H. Wieman,R. Willson,S. Wissink,R. Witt,N. Xu,Z. Xu,A. Yakutin,E. Yamamoto,J. Yang,P. Yepes,A. Yokosawa,V. Yurevich,Y. Zanevski,I. Zborovský, W. Zhang,R. Zoulkarneev,A. Zubarev

PHYSICAL REVIEW LETTERS（2001）

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摘要

The minimum-bias multiplicity distribution and the transverse momentum and pseudorapidity distributions for central collisions have been measured for negative hadrons (h(-)) in Au + Au interactions at roots(NN) = 130 GeV. The multiplicity density at midrapidity for the 5% most central interactions is dN(h)-/d eta\(eta =0) = 280 +/- (stat) +/- 20(syst), an increase per participant of 38% relative to p (p) over bar collisions at the same energy. The mean transverse momentum is 0.508 +/- 0.012 GcV/c and is larger than in central Pb + Pb collisions at lower energies. The scaling of the h(-) yield per participant is a strong function of p(perpendicular to). The pseudorapidity distribution is almost constant within \eta\ < 1.

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