对质心能量平方根√s(NN)=130 GeV的金离子与金离子碰撞中包含反质子的测量。
Measurement of inclusive antiprotons from Au+Au collisions at square root of s(NN) = 130 GeV.
作者信息
Adler C, Ahammed Z, Allgower C, Amonett J, Anderson B D, Anderson M, Averichev G S, Balewski J, Barannikova O, Barnby L S, Baudot J, Bekele S, Belaga V V, Bellwied R, Berger J, Bichsel H, Bland L C, Blyth C O, Bonner B E, Boucham A, Brandin A, Cadman R V, Caines H, Calderón de la Barca Sánchez M, Cardenas A, Carroll J, Castillo J, Castro M, Cebra D, Chattopadhyay S, Chen M L, Chen Y, Chernenko S P, Cherney M, Chikanian A, Choi B, Christie W, Coffin J P, Cormier T M, Cramer J G, Crawford H J, DeMello M, Deng W S, Derevschikov A A, Didenko L, Draper J E, Dunin V B, Dunlop J C, Eckardt V, Efimov L G, Emelianov V, Engelage J, Eppley G, Erazmus B, Fachini P, Faine V, Filimonov K, Finch E, Fisyak Y, Flierl D, Foley K J, Fu J, Gagliardi C A, Gagunashvili N, Gans J, Gaudichet L, Germain M, Geurts F, Ghazikhanian V, Grabski J, Grachov O, Grigoriev V, Guedon M, Gushin E, Hallman T J, Hardtke D, Harris J W, Heffner M, Heppelmann S, Herston T, Hippolyte B, Hirsch A, Hjort E, Hoffmann G W, Horsley M, Huang H Z, Humanic T J, Hümmler H, Igo G, Ishihara A, Ivanshin Y I, Jacobs P, Jacobs W W, Janik M, Johnson I, Jones P G, Judd E, Kaneta M, Kaplan M, Keane D, Kisiel A, Klay J, Klein S R, Klyachko A, Konstantinov A S, Kotchenda L, Kovalenko A D, Kramer M, Kravtsov P, Krueger K, Kuhn C, Kulikov A I, Kunde G J, Kunz C L, Kutuev R K, Kuznetsov A A, Lakehal-Ayat L, Lamas-Valverde J, Lamont M A, Landgraf J M, Lange S, Lansdell C P, Lasiuk B, Laue F, Lebedev A, Lednický R, Leontiev V M, LeVine M J, Li Q, Lindenbaum S J, Lisa M A, Liu F, Liu L, Liu Z, Liu Q J, Ljubicic T, Llope W J, LoCurto G, Long H, Longacre R S, Lopez-Noriega M, Love W A, Lynn D, Majka R, Margetis S, Martin L, Marx J, Matis H S, Matulenko Y A, McShane T S, Meissner F, Melnick Y, Meschanin A, Messer M, Miller M L, Milosevich Z, Minaev N G, Mitchell J, Moiseenko V A, Moore C F, Morozov V, de Moura M M, Munhoz M G, Mutchler G S, Nelson J M, Nevski P, Nikitin V A, Nogach L V, Norman B, Nurushev S B, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Paic G, Pandey S U, Panebratsev Y, Panitkin S Y, Pavlinov A I, Pawlak T, Perevoztchikov V, Peryt W, Petrov V A, Platner E, Pluta J, Porile N, Porter J, Poskanzer A M, Potrebenikova E, Prindle D, Pruneau C, Radomski S, Rai G, Ravel O, Ray R L, Razin S V, Reichhold D, Reid J G, Retiere F, Ridiger A, Ritter H G, Roberts J B, Rogachevski O V, Romero J L, Roy C, Rykov V, Sakrejda I, Sandweiss J, Saulys A C, Savin I, Schambach J, Scharenberg R P, Schmitz N, Schroeder L S, Schüttauf A, Schweda K, Seger J, Seliverstov D, Seyboth P, Shahaliev E, Shestermanov K E, Shimanskii S S, Shvetcov V S, Skoro G, Smirnov N, Snellings R, Sowinski J, Spinka H M, Srivastava B, Stephenson E J, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Struck C, Suaide A A, Sugarbaker E, Suire C, Sumbera M, Symons T J, de Toledo A S, Szarwas P, Takahashi J, Tang A H, Thomas J H, Thompson M, Tikhomirov V, Trainor T A, Trentalange S, Tribble R E, Tokarev M, Tonjes M B, Trofimov V, Tsai O, Turner K, Ullrich T, Underwood D G, Van Buren G, VanderMolen A M, Vanyashin A, Vasilevski I M, Vasiliev A N, Vigdor S E, Voloshin S A, Wang F, Ward H, Watson J W, Wells R, Wenaus T, Westfall G D, Whitten C, Wieman H, Willson R, Wissink S W, Witt R, Xu N, Xu Z, Yakutin A E, Yamamoto E, Yang J, Yepes P, Yurevich V I, Zanevski Y V, Zborovský I, Zhang H, Zhang W M, Zoulkarneev R, Zubarev A N
机构信息
University of Frankfurt, Frankfurt, Germany.
出版信息
Phys Rev Lett. 2001 Dec 24;87(26):262302. doi: 10.1103/PhysRevLett.87.262302. Epub 2001 Dec 7.
We report the first measurement of inclusive antiproton production at midrapidity in Au+Au collisions at square root of s(NN) = 130 GeV by the STAR experiment at RHIC. The antiproton transverse mass distributions in the measured transverse momentum range of 0.25<p( perpendicular)<0.95 GeV/c are found to fall less steeply for more central collisions. The extrapolated antiproton rapidity density is found to scale approximately with the negative hadron multiplicity density.
我们报告了相对论重离子对撞机（RHIC）上的STAR实验在质心能量平方根√s(NN)=130 GeV的金离子与金离子碰撞中，对中快度处的非单举反质子产生的首次测量。在测量的横向动量范围0.25<p⊥<0.95 GeV/c内，发现对于更中心的碰撞，反质子横向质量分布下降得没那么陡。外推得到的反质子快度密度被发现大致与负强子多重性密度成比例。
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