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$\phi$ meson production in Au+Au and p+p collisions at $\sqrt{s_{NN}}$= 200 GeV
Authors :
Adams, J. Adler, C. Aggarwal, M.M. Ahammed, Z. Amonett, J. Anderson, B.D. Anderson, M. Arkhipkin, D. Averichev, G.S. Badyal, S.K. Balewski, J. Barannikova, O. Barnby, L.S. Baudot, J. Bekele, S. Belaga, V.V. Bellwied, R. Berger, J. Bezverkhny, B.I. Bhardwaj, S. Bhati, A.K. Bichsel, H. Billmeier, A. Bland, L.C. Blyth, C.O. Bonner, B.E. Botje, M. Boucham, A. Brandin, A.V. Bravar, A. Cadman, R. Cai, X.Z. Caines, H. Calderon De La Barca Sanchez, M. Carroll, J. Castillo, J. Cebra, D. Chaloupka, P. Chattopdhyay, S. Chen, H.F. Chen, Y. Chernenko, S.P. Cherney, M. Chikanian, A. Christie, W. Coffin, J.P. Cormier, T.M. Cramer, J.G. Crawford, H.J. Das, D. Das, S. Derevschikov, A.A. Didenko, L. Dietel, T. Dong, W.J. Dong, X. Draper, J.E. Du, F. Dubey, A.K. Dunin, V.B. Dunlop, J.C. Dutta Mazumdar, M.R. Eckardt, V. Efimov, L.G. Emelianov, V. Engelage, J. Eppley, G. Erazmus, B. Estienne, Magalie Fachini, P. Faine, V. Faivre, J. Fatemi, R. Filimonov, K. Filip, P. Finch, E. Fisyak, Y. Flierl, D. Foley, K.J. Fu, J. Gagliardi, C.A. Gagunashvili, N. Gans, J. Ganti, M.S. Gaudichet, L. Germain, Marie Geurts, F. Ghazikhanian, V. Ghosh, P. Gonzalez, J.E. Grachov, O. Grebenyuk, O. Gronstal, S. Grosnick, D. Guedon, M. Guertin, S.M. Gupta, Anupam Gutierrez, T.D. Hallman, T.J. Hamed, A. Hardtke, D. Harris, J.W. Heinz, M. Henry, T.W. Hepplemann, S. Hippolyte, B. Hirsch, A. Hjort, E. Hoffmann, G.W. Horsley, M. Huang, H.Z Huang, S.L. Hughes, E. Humanic, T.J. Igo, G. Ishihara, A. Jacobs, P. Jacobs, W.W. Janik, M. Jiang, H. Johnson, I. Jones, P.G. Judd, E.G. Kabana, S. Kaplan, M. Keane, D. Khodyrev, V.Yu. Kiryluk, J. Kisiel, A. Klay, J. Klein, S.R. Klyachko, A. Koetke, D.D. Kollegger, T. Kopytine, M. Kotchenda, L. Kovalenko, A.D. Kramer, M. Kravtsov, P. Kravtsov, V.I. Krueger, K. Kuhn, C. Kulikov, A.I. Kumar, A. Kunde, G.J. Kunz, C.L. Kh.Kutuev, R. Kuznetsov, A.A. Lamont, M.A.C. Landgraf, J.M. Lange, S. Lasiuk, B. Laue, F. Lauret, J. Lebedev, A. Lednicky, R. LeVine, M.J. Li, C. Li, Q. Lindenbaum, S.J. Lisa, M.A. Liu, F. Liu, L. Liu, Z. Liu, Q.J. Ljubicic, T. Llope, W.J. Long, H. Longacre, R.S. Lopez-Noriega, M. Love, W.A. Ludlam, T. Lynn, D. Ma, J.G. Ma, Y.G. Magestro, D. Mahajan, S. Mangotra, L.K. Mahapatra, D.P. Majka, R. Manweiler, R. Margetis, S. Markert, C. Martin, L. Marx, J.N. Matis, H.S. Matulenko, Yu.A. McClain, C.J. McShane, T.S. Meissner, F. Melnick, Yu. Meschanin, A. Miller, M.L. Milosevich, Z. Minaev, N.G. Mironov, C. Mischke, A. Mishra, D. Mitchell, J. Mohanty, B. Molnar, L. Moore, C.F. Mora-Corral, M.J. Morozov, D.A. Morozov, V. De Moura, M.M. Munhoz, M.G. Nandi, B.K. Nayak, S.K. Nayak, T.K. Nelson, J.M. K. Netrakanti, P. Nikitin, V.A. Nogach, L.V. Norman, B. Nurushev, S.B. Odyniec, G. Ogawa, A. Okorokov, V. Oldenburg, M. Olson, D. Paic, G. 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. Pluta, J. Porile, N. Porter, J. Poskanzer, A.M. Potekhin, M. Potrebenikova, E. Potukuchi, B.V.K.S. Prindle, D. Pruneau, C. Putschke, J. Rai, G. Rakness, G. Raniwala, R. Raniwala, S. Ravel, O. Ray, R.L. Razin, S.V. Reichhold, D. Reid, J.G. Renault, G. Retiere, F. Ridiger, A. Ritter, H.G. Roberts, J.B. Rogachevskiy, O.V. Romero, J.L. Rose, A. Roy, C. Ruan, L. Sahoo, R. Sakrejda, I. Salur, S. Sandweiss, J. Savin, I. Schambach, J. Scharenberg, R.P. Schmitz, N. Schroeder, L.S. Schweda, K. Seger, J. Seyboth, P. Shahaliev, E. Shao, M. Sharma, M. Shestermanov, K.E. Shimanskiy, S.S. Singaraju, R.N. Simon, F. Skoro, G. Smirnov, N. Snellings, R. Sood, G. Sorensen, P. Sowinski, J. Spinka, H.M. Srivastava, B. Stanislaus, S. Stock, R. Stolpovsky, A. Strikhanov, M. Stringfellow, B. Struck, C. Suaide, A.A.P. Sugarbaker, E. Suire, C. Sumbera, M. Surrow, B. Symons, T.J.M. Szanto De Toledo, A. Szarwas, P. Tai, A. Takahashi, J. Tang, A.H. Thein, D. Thomas, J.H. Timoshenko, S. Tokarev, M. Tonjes, M.B. Trainor, T.A. Trentalange, S. Tribble, R.E. Tsai, O. Ullrich, T. Underwood, D.G. Van Buren, G. VanderMolen, A.M. Varma, R. Vasilevski, I. Vasiliev, A.N. Vasiliev, M. Vigdor, S.E. Viyogi, Y.P. Voloshin, S.A. Vznuzdaev, M. Waggoner, W. Wang, F. Wang, G. Wang, X.L. Wang, Y. Wang, Z.M. Ward, H. Watson, J.W. Webb, J.C. Wells, R. Westfall, G.D. Whitten Jr., C. Wieman, H. Willson, R. Witt, R. Wood, J. Xu, N. Xu, Z. Xu, Z.Z. Yamamoto, E. Yepes, P. Yurevich, V.I. Yuting, B. Zanevski, Y.V. Zhang, H. Zhang, W.M. Zhang, Z.P. Zhaomin, Z..P. Zizong, Z.P. Zolnierczuk, P.A. Zoulkarneev, R. Zoulkarneeva, J. Zubarev, A.N. Institut de Recherches Subatomiques (IReS) Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS) Laboratoire SUBATECH Nantes (SUBATECH) Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Nantes (UN)-Mines Nantes (Mines Nantes) STAR Mines Nantes (Mines Nantes)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Source :
Physics Letters B, Physics Letters B, Elsevier, 2005, 612, pp.181-189. ⟨10.1016/j.physletb.2004.12.082⟩
Publication Year :
2005
Publisher :
HAL CCSD, 2005.
Abstract
We report the STAR measurement of Phi meson production in Au+Au and p+p collisions at sqrt (s)=200 GeV. Using the event mixing technique, the Phi spectra and yields are obtained at mid-rapidity for five centrality bins in Au+Au collisions and for non-singly-diffractive p+p collisions. It is found that the Phi transverse momentum distributions from Au+Au collisions are better fitted with a single-exponential while the p+p spectrum is better described by a double-exponential distribution. The measured nuclear modification factors indicate that Phi production in central Au+Au collisions is suppressed relative to peripheral collisions when scaled by the number of binary collisions. The systematics of versus centrality and the constant Phi/K- ratio versus beam species, centrality, and collision energy rule out kaon coalescence as the dominant mechanism for Phi production.<br />Comment: 6 pages, 3 figures, submitted to Phys. Rev. Lett
Details
Language :
English
ISSN :
03702693
Database :
OpenAIRE
Journal :
Physics Letters B, Physics Letters B, Elsevier, 2005, 612, pp.181-189. ⟨10.1016/j.physletb.2004.12.082⟩
Accession number :
edsair.doi.dedup.....0c5e94a0ca75432d03c1f97f1e7bcecf