Scaling properties of hyperon production in Au+Au collisions at square root [sNN]=200 GeV.
作者信息
Adams J, Aggarwal M M, Ahammed Z, Amonett J, Anderson B D, Anderson M, Arkhipkin D, Averichev G S, Bai Y, Balewski J, Barannikova O, Barnby L S, Baudot J, Bekele S, Belaga V V, Bellingeri-Laurikainen A, Bellwied R, Bezverkhny B I, Bhardwaj S, Bhasin A, Bhati A K, Bichsel H, Bielcik J, Bielcikova J, Bland L C, Blyth C O, Blyth S-L, Bonner B E, Botje M, Bouchet J, Brandin A V, Bravar A, Bystersky M, Cadman R V, Cai X Z, Caines H, Calderón de la Barca Sánchez M, Castillo J, Catu O, Cebra D, Chajecki Z, Chaloupka P, Chattopadhyay S, Chen H F, Chen J H, Chen Y, Cheng J, Cherney M, Chikanian A, Choi H A, Christie W, Coffin J P, Cormier T M, Cosentino M R, Cramer J G, Crawford H J, Das D, Das S, Daugherity M, de Moura M M, Dedovich T G, DePhillips M, Derevschikov A A, Didenko L, Dietel T, Djawotho P, Dogra S M, Dong W J, Dong X, Draper J E, Du F, Dunin V B, Dunlop J C, Dutta Mazumdar M R, Eckardt V, Edwards W R, Efimov L G, Emelianov V, Engelage J, Eppley G, Erazmus B, Estienne M, Fachini P, Fatemi R, Fedorisin J, Filimonov K, Filip P, Finch E, Fine V, Fisyak Y, Fu J, Gagliardi C A, Gaillard L, Gans J, Ganti M S, Ghazikhanian V, Ghosh P, Gonzalez J E, Gorbunov Y G, Gos H, Grebenyuk O, Grosnick D, Guertin S M, Guimaraes K S F F, Guo Y, Gupta N, Gutierrez T D, Haag B, Hallman T J, Hamed A, Harris J W, He W, Heinz M, Henry T W, Hepplemann S, Hippolyte B, Hirsch A, Hjort E, Hoffmann G W, Horner M J, Huang H Z, Huang S L, Hughes E W, Humanic T J, Igo G, Jacobs P, Jacobs W W, Jakl P, Jia F, Jiang H, Jones P G, Judd E G, Kabana S, Kang K, Kapitan J, Kaplan M, Keane D, Kechechyan A, Khodyrev V Yu, Kim B C, Kiryluk J, Kisiel A, Kislov E M, Klein S R, Koetke D D, Kollegger T, Kopytine M, Kotchenda L, Kouchpil V, Kowalik K L, Kramer M, Kravtsov P, Kravtsov V I, Krueger K, Kuhn C, Kulikov A I, Kumar A, Kuznetsov A A, Lamont M A C, Landgraf J M, Lange S, Lapointe S, Laue F, Lauret J, Lebedev A, Lednicky R, Lee C-H, Lehocka S, Levine M J, Li C, Li Q, Li Y, Lin G, Lindenbaum S J, Lisa M A, Liu F, Liu H, Liu J, Liu L, Liu Z, Ljubicic T, Llope W J, Long H, Longacre R S, Lopez-Noriega M, Love W A, Lu Y, Ludlam T, Lynn D, Ma G L, Ma J G, Ma Y G, Magestro D, Mahapatra D P, Majka R, Mangotra L K, Manweiler R, Margetis S, Markert C, Martin L, Matis H S, Matulenko Yu A, McClain C J, McShane T S, Melnick Yu, Meschanin A, Miller M L, Minaev N G, Mioduszewski S, Mironov C, Mischke A, Mishra D K, Mitchell J, Mohanty B, Molnar L, Moore C F, Morozov D A, Munhoz M G, Nandi B K, Nattrass C, Nayak T K, Nelson J M, Netrakanti P K, Nikitin V A, Nogach L V, Nurushev S B, Odyniec G, Ogawa A, Okorokov V, Oldenburg M, Olson D, Pachr M, Pal S K, Panebratsev Y, Panitkin S Y, Pavlinov A I, Pawlak T, Peitzmann T, Perevoztchikov V, Perkins C, Peryt W, Petrov V A, Phatak S C, Picha R, Planinic M, Pluta J, Poljak N, Porile N, Porter J, Poskanzer A M, Potekhin M, Potrebenikova E, Potukuchi B V K S, Prindle D, Pruneau C, Putschke J, Rakness G, Raniwala R, Raniwala S, Ray R L, Razin S V, Reinnarth J, Relyea D, Retiere F, Ridiger A, Ritter H G, Roberts J B, Rogachevskiy O V, Romero J L, Rose A, Roy C, Ruan L, Russcher M J, Sahoo R, Sakrejda I, Salur S, Sandweiss J, Sarsour M, Sazhin P S, Schambach J, Scharenberg R P, Schmitz N, Schweda K, Seger J, Selyuzhenkov I, Seyboth P, Shabetai A, Shahaliev E, Shao M, Sharma M, Shen W Q, Shimanskiy S S, Sichtermann E, Simon F, Singaraju R N, Smirnov N, Snellings R, Sood G, Sorensen P, Sowinski J, Speltz J, Spinka H M, Srivastava B, Stadnik A, Stanislaus T D S, Stock R, Stolpovsky A, Strikhanov M, Stringfellow B, Suaide A A P, Sugarbaker E, Sumbera M, Sun Z, Surrow B, Swanger M, Symons T J M, Szanto de Toledo A, Tai A, Takahashi J, Tang A H, Tarnowsky T, Thein D, Thomas J H, Timmins A R, Timoshenko S, Tokarev M, Trainor T A, Trentalange S, Tribble R E, Tsai O D, Ulery J, Ullrich T, Underwood D G, Van Buren G, van der Kolk N, van Leeuwen M, Vander Molen A M, Varma R, Vasilevski I M, Vasiliev A N, Vernet R, Vigdor S E, Viyogi Y P, Vokal S, Voloshin S A, Waggoner W T, Wang F, Wang G, Wang J S, Wang X L, Wang Y, Watson J W, Webb J C, Westfall G D, Wetzler A, Whitten C, Wieman H, Wissink S W, Witt R, Wood J, Wu J, Xu N, Xu Q H, Xu Z, Yepes P, Yoo I-K, Yurevich V I, Zhan W, Zhang H, Zhang W M, Zhang Y, Zhang Z P, Zhao Y, Zhong C, Zoulkarneev R, Zoulkarneeva Y, Zubarev A N, Zuo J X
机构信息
University of Birmingham, Birmingham, United Kingdom.
出版信息
Phys Rev Lett. 2007 Feb 9;98(6):062301. doi: 10.1103/PhysRevLett.98.062301. Epub 2007 Feb 5.
We present the scaling properties of Lambda, Xi, and Omega in midrapidity Au+Au collisions at the Brookhaven National Laboratory Relativistic Heavy Ion Collider at sqrt[s_{NN}]=200 GeV. The yield of multistrange baryons per participant nucleon increases from peripheral to central collisions more rapidly than that of Lambda, indicating an increase of the strange-quark density of the matter produced. The strange phase-space occupancy factor gamma_{s} approaches unity for the most central collisions. Moreover, the nuclear modification factors of p, Lambda, and Xi are consistent with each other for 2<p_{T}<5 GeV/c in agreement with a scenario of hadron formation from constituent quark degrees of freedom.
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