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Identified baryon and meson distributions at large transverse momenta from Au+Au collisions at sNN=200a GeV

  • B. I. Abelev
  • , M. M. Aggarwal
  • , Z. Ahammed
  • , B. D. Anderson
  • , M. Anderson
  • , D. Arkhipkin
  • , G. S. Averichev
  • , Y. Bai
  • , J. Balewski
  • , O. Barannikova
  • , L. S. Barnby
  • , J. Baudot
  • , S. Bekele
  • , V. V. Belaga
  • , A. Bellingeri-Laurikainen
  • , R. Bellwied
  • , F. Benedosso
  • , S. Bhardwaj
  • , A. Bhasin
  • , A. K. Bhati
    • H. Bichsel, J. Bielcik, J. Bielcikova, L. C. Bland, S. L. Blyth, B. E. Bonner, M. Botje, J. Bouchet, A. V. Brandin, A. Bravar, T. P. Burton, M. Bystersky, R. V. Cadman, X. Z. Cai, H. Caines, M. Calderón de la Barca Sánchez, J. Castillo, O. Catu, D. Cebra, Z. Chajecki, P. Chaloupka, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, J. P. Coffin, T. M. Cormier, M. R. Cosentino, J. G. Cramer, H. J. Crawford, D. Das, S. Das, S. Dash, M. Daugherity, M. M. de Moura, T. G. Dedovich, M. DePhillips, A. A. Derevschikov, L. Didenko, T. Dietel, P. Djawotho, S. M. Dogra, W. J. Dong, X. Dong, J. E. Draper, F. Du, V. B. Dunin, J. C. Dunlop, M. R. Dutta Mazumdar, V. Eckardt, W. R. Edwards, L. G. Efimov, V. Emelianov, J. Engelage, G. Eppley, B. Erazmus, M. Estienne, P. Fachini, R. Fatemi, J. Fedorisin, P. Filip, E. Finch, V. Fine, Y. Fisyak, J. Fu, C. A. Gagliardi, L. Gaillard, M. S. Ganti, V. Ghazikhanian, P. Ghosh, J. E. Gonzalez, Y. G. Gorbunov, H. Gos, O. Grebenyuk, D. Grosnick, S. M. Guertin, K. S.F.F. Guimaraes, N. Gupta, T. D. Gutierrez, B. Haag, T. J. Hallman, A. Hamed, J. W. Harris, W. He, M. Heinz, T. W. Henry, S. Hepplemann, B. Hippolyte, A. Hirsch, E. Hjort, A. M. Hoffman, G. W. Hoffmann, M. J. Horner, H. Z. Huang, S. L. Huang, E. W. Hughes, T. J. Humanic, G. Igo, P. Jacobs, W. W. Jacobs, P. Jakl, F. Jia, H. Jiang, P. G. Jones, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, M. Kaplan, D. Keane, A. Kechechyan, V. Y. Khodyrev, B. C. Kim, J. Kiryluk, A. Kisiel, E. M. Kislov, S. R. Klein, A. Kocoloski, D. D. Koetke, T. Kollegger, M. Kopytine, L. Kotchenda, V. Kouchpil, K. L. Kowalik, M. Kramer, P. Kravtsov, V. I. Kravtsov, K. Krueger, C. Kuhn, A. I. Kulikov, A. Kumar, A. A. Kuznetsov, M. A.C. Lamont, J. M. Landgraf, S. Lange, S. LaPointe, F. Laue, J. Lauret, A. Lebedev, R. Lednicky, C. H. Lee, S. Lehocka, M. J. LeVine, C. Li, Q. Li, Y. Li, G. Lin, X. Lin, S. J. Lindenbaum, M. A. Lisa, F. Liu, H. Liu, J. Liu, L. Liu, Z. Liu, T. Ljubicic, W. J. Llope, H. Long, R. S. Longacre, W. A. Love, Y. Lu, T. Ludlam, D. Lynn, G. L. Ma, J. G. Ma, Y. G. Ma, D. Magestro, D. P. Mahapatra, R. Majka, L. K. Mangotra, R. Manweiler, S. Margetis, C. Markert, L. Martin, H. S. Matis, Y. A. Matulenko, C. J. McClain, T. S. McShane, Y. Melnick, A. Meschanin, J. Millane, M. L. Miller, N. G. Minaev, S. Mioduszewski, C. Mironov, A. Mischke, D. K. Mishra, J. Mitchell, B. Mohanty, L. Molnar, C. F. Moore, D. A. Morozov, M. G. Munhoz, B. K. Nandi, C. Nattrass, T. K. Nayak, J. M. Nelson, N. S. Nepali, P. K. Netrakanti, L. V. Nogach, S. B. Nurushev, G. Odyniec, A. Ogawa, V. Okorokov, M. Oldenburg, D. Olson, M. Pachr, S. K. Pal, Y. Panebratsev, S. Y. Panitkin, A. I. Pavlinov, T. Pawlak, T. Peitzmann, V. Perevoztchikov, C. Perkins, W. Peryt, S. C. Phatak, R. Picha, M. Planinic, J. Pluta, N. Poljak, N. Porile, J. Porter, A. M. Poskanzer, M. Potekhin, E. Potrebenikova, B. V.K.S. Potukuchi, D. Prindle, C. Pruneau, J. Putschke, G. Rakness, R. Raniwala, S. Raniwala, R. L. Ray, S. V. Razin, J. Reinnarth, D. Relyea, A. Ridiger, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, A. Rose, C. Roy, L. Ruan, M. J. Russcher, R. Sahoo, T. Sakuma, S. Salur, J. Sandweiss, M. Sarsour, P. S. Sazhin, J. Schambach, R. P. Scharenberg, N. Schmitz, J. Seger, I. Selyuzhenkov, P. Seyboth, A. Shabetai, E. Shahaliev, M. Shao, M. Sharma, W. Q. Shen, S. S. Shimanskiy, E. P. Sichtermann, F. Simon, R. N. Singaraju, N. Smirnov, R. Snellings, G. Sood, P. Sorensen, J. Sowinski, J. Speltz, H. M. Spinka, B. Srivastava, A. Stadnik, T. D.S. Stanislaus, R. Stock, A. Stolpovsky, M. Strikhanov, B. Stringfellow, A. A.P. Suaide, N. L. Subba, E. Sugarbaker, M. Sumbera, Z. Sun, B. Surrow, M. Swanger, T. J.M. Symons, A. Szanto de Toledo, A. Tai, J. Takahashi, A. H. Tang, T. Tarnowsky, D. Thein, J. H. Thomas, A. R. Timmins, S. Timoshenko, M. Tokarev, T. A. Trainor, S. Trentalange, R. E. Tribble, O. D. Tsai, J. Ulery, T. Ullrich, D. G. Underwood, G. van Buren, N. van der Kolk, M. van Leeuwen, A. M. Vander Molen, R. Varma, I. M. Vasilevski, A. N. Vasiliev, R. Vernet, S. E. Vigdor, Y. P. Viyogi, S. Vokal, S. A. Voloshin, W. T. Waggoner, F. Wang, G. Wang, J. S. Wang, X. L. Wang, Y. Wang, J. W. Watson, J. C. Webb, G. D. Westfall, A. Wetzler, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, J. Wood, J. Wu, N. Xu, Q. H. Xu, Z. Xu, P. Yepes, I. K. Yoo, V. I. Yurevich, W. Zhan, H. Zhang, W. M. Zhang, Y. Zhang, Z. P. Zhang, Y. Zhao, C. Zhong, R. Zoulkarneev, Y. Zoulkarneeva, A. N. Zubarev, J. X. Zuo
  • Yale University
  • Panjab University
  • Variable Energy Cyclotron Centre India
  • Kent State University
  • University of California at Davis
  • Joint Institute for Nuclear Research
  • Utrecht University
  • Indiana University Bloomington
  • University of Illinois at Chicago
  • University of Birmingham
  • Institut de Recherches Subatomiques
  • Ohio State University
  • SUBATECH
  • Wayne State University
  • University of Rajasthan
  • University of Jammu
  • University of Washington
  • Brookhaven National Laboratory
  • Lawrence Berkeley National Laboratory
  • Rice University
  • Moscow Engineering Physics Institute
  • Czech Academy of Sciences
  • Argonne National Laboratory
  • Chinese Academy of Sciences
  • University of Science and Technology of China
  • Tsinghua University
  • Creighton University
  • Universidade de São Paulo
  • University of California at Berkeley
  • Institute of Physics Bhubaneswar
  • University of Texas at Austin
  • Institute for High Energy Physics
  • Goethe University Frankfurt
  • University of California at Los Angeles
  • Max Planck Institute for Physics (Werner Heisenberg Institute)
  • Massachusetts Institute of Technology
  • Central China Normal University
  • Texas A&M University
  • Warsaw University of Technology
  • Valparaiso University
  • Pennsylvania State University
  • Purdue University
  • California Institute of Technology
  • CAS - Institute of Modern Physics
  • Carnegie Mellon University
  • Pusan National University
  • City University of New York
  • Indian Institute of Technology Bombay
  • University of Zagreb
  • Michigan State University

Research output: Contribution to journal › Article › peer-review

260 Scopus citations

Abstract

Transverse momentum spectra of π±, p, and p up to 12 GeV/c at midrapidity in centrality selected Au+Au collisions at sNN=200 GeV are presented. In central Au+Au collisions, both and p(p) show significant suppression with respect to binary scaling at pT 4 GeV/c. Protons and antiprotons are less suppressed than ±, in the range 1.5a pT 6 GeV/c. The -/I + and p/p ratios show at most a weak pT dependence and no significant centrality dependence. The p/Ï€ ratios in central Au+Au collisions approach the values in p+p and d+Au collisions at pT 5 GeV/c. The results at high pT indicate that the partonic sources of ±, p, and p have similar energy loss when traversing the nuclear medium.

Original languageEnglish
Article number152301
JournalPhysical Review Letters
Volume97
Issue number15
DOIs
StatePublished - 2006

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