/ Experiment-HEP arXiv:1004.4959


Higher Moments of Net-proton Multiplicity Distributions at RHIC


Aggarwal, M.M. (Panjab U.) ; Ahammed, Z. (LBL, Berkeley) ; Alakhverdyants, A.V. (Dubna, JINR) ; Alekseev, I. (Moscow, ITEP) ; Alford, J. (Kent State U.) ; Anderson, B.D. (Kent State U.) ; Arkhipkin, D. (Brookhaven) ; Averichev, G.S. (Dubna, JINR) ; Balewski, J. (MIT) ; Barnby, L.S. (Birmingham U.) ; Baumgart, S. (Yale U.) ; Beavis, D.R. (Brookhaven) ; Bellwied, R. (Wayne State U.) ; Betancourt, M.J. (MIT) ; Betts, R.R. (Illinois U., Chicago) ; Bhasin, A. (Jammu U.) ; Bhati, A.K. (Panjab U.) ; Bichsel, H. (Washington U., Seattle) ; Bielcik, J. (Prague, Tech. U.) ; Bielcikova, J. (Rez, Nucl. Phys. Inst.) ; Biritz, B. (UCLA) ; Bland, L.C. (Brookhaven) ; Bonner, B.E. (Rice U.) ; Bouchet, J. (Kent State U.) ; Braidot, E. (NIKHEF, Amsterdam) ; Brandin, A.V. (Moscow Phys. Eng. Inst.) ; Bridgeman, A. (Argonne) ; Bruna, E. (Yale U.) ; Bueltmann, S. (Old Dominion U.) ; Bunzarov, I. (Dubna, JINR) ; Burton, T.P. (Brookhaven) ; Cai, X.Z. (SINAP, Shanghai) ; Caines, H. (Yale U.) ; Calderon de la Barca Sanchez, M. (UC, Davis) ; Catu, O. (Yale U.) ; Cebra, D. (UC, Davis) ; Cendejas, R. (UCLA) ; Cervantes, M.C. (Texas A-M) ; Chajecki, Z. (Ohio State U.) ; Chaloupka, P. (Rez, Nucl. Phys. Inst.) ; Chattopadhyay, S. (Calcutta, VECC) ; Chen, H.F. (Hefei, CUST) ; Chen, J.H. (SINAP, Shanghai) ; Chen, J.Y. (Hua-Zhong Normal U.) ; Cheng, J. (Tsinghua U., Beijing) ; Cherney, M. (Creighton U.) ; Chikanian, A. (Yale U.) ; Choi, K.E. (Pusan Natl. U.) ; Christie, W. (Brookhaven) ; Chung, P. (Rez, Nucl. Phys. Inst.) ; Clarke, R.F. (Texas A-M) ; Codrington, M.J.M. (Texas A-M) ; Corliss, R. (MIT) ; Cramer, J.G. (Washington U., Seattle) ; Crawford, H.J. (UC, Berkeley) ; Das, D. (UC, Davis) ; Dash, S. (Bhubaneswar, Inst. Phys.) ; Davila Leyva, A. (Texas U.) ; De Silva, L.C. (Wayne State U.) ; Debbe, R.R. (Brookhaven) ; Dedovich, T.G. (Dubna, JINR) ; Derevschikov, A.A. (Serpukhov, IHEP) ; Derradi de Souza, R. (Campinas State U.) ; Didenko, L. (Brookhaven) ; Djawotho, P. (Texas A-M) ; Dogra, S.M. (Jammu U.) ; Dong, X. (LBL, Berkeley) ; Drachenberg, J.L. (Texas A-M) ; Draper, J.E. (UC, Davis) ; Dunlop, J.C. (Brookhaven) ; Dutta Mazumdar, M.R. (Calcutta, VECC) ; Efimov, L.G. (Dubna, JINR) ; Elhalhuli, E. (Birmingham U.) ; Elnimr, M. (Wayne State U.) ; Engelage, J. (UC, Berkeley) ; Eppley, G. (Rice U.) ; Erazmus, B. (SUBATECH, Nantes) ; Estienne, M. (SUBATECH, Nantes) ; Eun, L. (Park U.) ; Evdokimov, O. (Illinois U., Chicago) ; Fachini, P. (Brookhaven) ; Fatemi, R. (Kentucky U.) ; Fedorisin, J. (Dubna, JINR) ; Fersch, R.G. (Kentucky U.) ; Filip, P. (Dubna, JINR) ; Finch, E. (Yale U.) ; Fine, V. (Brookhaven) ; Fisyak, Y. (Brookhaven) ; Gagliardi, C.A. (Texas A-M) ; Gangadharan, D.R. (UCLA) ; Ganti, M.S. (Calcutta, VECC) ; Garcia-Solis, E.J. (Illinois U., Chicago) ; Geromitsos, A. (SUBATECH, Nantes) ; Geurts, F. (Rice U.) ; Ghazikhanian, V. (UCLA) ; Ghosh, P. (Calcutta, VECC) ; Gorbunov, Y.N. (Creighton U.) ; Gordon, A. (Brookhaven) ; Grebenyuk, O. (LBL, Berkeley) ; Grosnick, D. (Valparaiso U., Indiana) ; Guertin, S.M. (UCLA) ; Gupta, A. (Jammu U.) ; Gupta, N. (Jammu U.) ; Guryn, W. (Brookhaven) ; Haag, B. (UC, Davis) ; Hamed, A. (Texas A-M) ; Han, L-X. (SINAP, Shanghai) ; Harris, J.W. (Yale U.) ; Hays-Wehle, J.P. (MIT) ; Heinz, M. (Yale U.) ; Heppelmann, S. (Park U.) ; Hirsch, A. (Purdue U.) ; Hjort, E. (LBL, Berkeley) ; Hoffman, A.M. (MIT) ; Hoffmann, G.W. (Texas U.) ; Hofman, D.J. (Illinois U., Chicago) ; Huang, B. (Hefei, CUST) ; Huang, H.Z. (UCLA) ; Humanic, T.J. (Ohio State U.) ; Huo, L. (Texas A-M) ; Igo, G. (UCLA) ; Jacobs, P. (LBL, Berkeley) ; Jacobs, W.W. (Indiana U.) ; Jena, C. (Bhubaneswar, Inst. Phys.) ; Jin, F. (SINAP, Shanghai) ; Jones, C.L. (MIT) ; Jones, P.G. (Birmingham U.) ; Joseph, J. (Kent State U.) ; Judd, E.G. (UC, Berkeley) ; Kabana, S. (SUBATECH, Nantes) ; Kajimoto, K. (Texas U.) ; Kang, K. (Tsinghua U., Beijing) ; Kapitan, J. (Rez, Nucl. Phys. Inst.) ; Kauder, K. (Illinois U., Chicago) ; Keane, D. (Kent State U.) ; Kechechyan, A. (Dubna, JINR) ; Kettler, D. (Washington U., Seattle) ; Kikola, D.P. (LBL, Berkeley) ; Kiryluk, J. (LBL, Berkeley) ; Kisiel, A. (Warsaw U. of Tech.) ; Klein, S.R. (LBL, Berkeley) ; Knospe, A.G. (Yale U.) ; Kocoloski, A. (MIT) ; Koetke, D.D. (Valparaiso U., Indiana) ; Kollegger, T. (Frankfurt U.) ; Konzer, J. (Purdue U.) ; Koralt, I. (Old Dominion U.) ; Koroleva, L. (Moscow, ITEP) ; Korsch, W. (Kentucky U.) ; Kotchenda, L. (Moscow Phys. Eng. Inst.) ; Kouchpil, V. (Rez, Nucl. Phys. Inst.) ; Kravtsov, P. (Moscow Phys. Eng. Inst.) ; Krueger, K. (Argonne) ; Krus, M. (Prague, Tech. U.) ; Kumar, L. (Kent State U.) ; Kurnadi, P. (UCLA) ; Lamont, M.A.C. (Brookhaven) ; Landgraf, J.M. (Brookhaven) ; LaPointe, S. (Wayne State U.) ; Lauret, J. (Brookhaven) ; Lebedev, A. (Brookhaven) ; Lednicky, R. (Dubna, JINR) ; Lee, C-H. (Pusan Natl. U.) ; Lee, J.H. (Brookhaven) ; Leight, W. (MIT) ; LeVine, M.J. (Brookhaven) ; Li, C. (Hefei, CUST) ; Li, L. (Texas U.) ; Li, N. (Hua-Zhong Normal U.) ; Li, W. (SINAP, Shanghai) ; Li, X. (Shandong U.) ; Li, X. (Purdue U.) ; Li, Y. (Tsinghua U., Beijing) ; Li, Z.M. (Hua-Zhong Normal U.) ; Lin, G. (Yale U.) ; Lindenbaum, S.J. (City Coll., N.Y.) ; Lisa, M.A. (Ohio State U.) ; Liu, F. (Hua-Zhong Normal U.) ; Liu, H. (UC, Davis) ; Liu, J. (Rice U.) ; Ljubicic, T. (Brookhaven) ; Llope, W.J. (Rice U.) ; Longacre, R.S. (Brookhaven) ; Love, W.A. (Brookhaven) ; Lu, Y. (Hefei, CUST) ; Lukashov, E.V. (Moscow Phys. Eng. Inst.) ; Luo, X. (Hefei, CUST) ; Ma, G.L. (SINAP, Shanghai) ; Ma, Y.G. (SINAP, Shanghai) ; Mahapatra, D.P. (Bhubaneswar, Inst. Phys.) ; Majka, R. (Yale U.) ; Mall, O.I. (UC, Davis) ; Mangotra, L.K. (Jammu U.) ; Manweiler, R. (Valparaiso U., Indiana) ; Margetis, S. (Kent State U.) ; Markert, C. (Texas U.) ; Masui, H. (LBL, Berkeley) ; Matis, H.S. (LBL, Berkeley) ; Matulenko, Yu.A. (Serpukhov, IHEP) ; McDonald, D. (Rice U.) ; McShane, T.S. (Creighton U.) ; Meschanin, A. (Serpukhov, IHEP) ; Milner, R. (MIT) ; Minaev, N.G. (Serpukhov, IHEP) ; Mioduszewski, S. (Texas A-M) ; Mischke, A. (NIKHEF, Amsterdam) ; Mitrovski, M.K. (Frankfurt U.) ; Mohanty, B. (Calcutta, VECC) ; Mondal, M.M. (Calcutta, VECC) ; Morozov, B. (Moscow, ITEP) ; Morozov, D.A. (Serpukhov, IHEP) ; Munhoz, M.G. (Sao Paulo U.) ; Nandi, B.K. (Indian Inst. Tech., Mumbai) ; Nattrass, C. (Yale U.) ; Nayak, T.K. (Calcutta, VECC) ; Nelson, J.M. (Birmingham U.) ; Netrakanti, P.K. (Purdue U.) ; Ng, M.J. (UC, Berkeley) ; Nogach, L.V. (Serpukhov, IHEP) ; Nurushev, S.B. (Serpukhov, IHEP) ; Odyniec, G. (LBL, Berkeley) ; Ogawa, A. (Brookhaven) ; Okorokov, V. (Moscow Phys. Eng. Inst.) ; Oldag, E.W. (Texas U.) ; Olson, D. (LBL, Berkeley) ; Pachr, M. (Prague, Tech. U.) ; Page, B.S. (Indiana U.) ; Pal, S.K. (Calcutta, VECC) ; Pandit, Y. (Kent State U.) ; Panebratsev, Y. (Dubna, JINR) ; Pawlak, T. (Warsaw U. of Tech.) ; Peitzmann, T. (NIKHEF, Amsterdam) ; Perevoztchikov, V. (Brookhaven) ; Perkins, C. (UC, Berkeley) ; Peryt, W. (Warsaw U. of Tech.) ; Phatak, S.C. (Bhubaneswar, Inst. Phys.) ; Pile, P. (Brookhaven) ; Planinic, M. (Zagreb U.) ; Ploskon, M.A. (LBL, Berkeley) ; Pluta, J. (Warsaw U. of Tech.) ; Plyku, D. (Old Dominion U.) ; Poljak, N. (Zagreb U.) ; Poskanzer, A.M. (LBL, Berkeley) ; Potukuchi, B.V.K.S. (Jammu U.) ; Powell, C.B. (LBL, Berkeley) ; Prindle, D. (Washington U., Seattle) ; Pruneau, C. (Wayne State U.) ; Pruthi, N.K. (Panjab U.) ; Pujahari, P.R. (Indian Inst. Tech., Mumbai) ; Putschke, J. (Yale U.) ; Qiu, H. (Lanzhou, Inst. Modern Phys.) ; Raniwala, R. (Rajasthan U.) ; Raniwala, S. (Rajasthan U.) ; Ray, R.L. (Texas U.) ; Redwine, R. (MIT) ; Reed, R. (UC, Davis) ; Ritter, H.G. (LBL, Berkeley) ; Roberts, J.B. (Rice U.) ; Rogachevskiy, O.V. (Dubna, JINR) ; Romero, J.L. (UC, Davis) ; Rose, A. (LBL, Berkeley) ; Roy, C. (SUBATECH, Nantes) ; Ruan, L. (Brookhaven) ; Sahoo, R. (SUBATECH, Nantes) ; Sakai, S. (UCLA) ; Sakrejda, I. (LBL, Berkeley) ; Sakuma, T. (MIT) ; Salur, S. (UC, Davis) ; Sandweiss, J. (Yale U.) ; Sangaline, E. (UC, Davis) ; Schambach, J. (Texas U.) ; Scharenberg, R.P. (Purdue U.) ; Schmitz, N. (Munich, Max Planck Inst.) ; Schuster, T.R. (Frankfurt U.) ; Seele, J. (MIT) ; Seger, J. (Creighton U.) ; Selyuzhenkov, I. (Indiana U.) ; Seyboth, P. (Munich, Max Planck Inst.) ; Shahaliev, E. (Dubna, JINR) ; Shao, M. (Hefei, CUST) ; Sharma, M. (Wayne State U.) ; Shi, S.S. (Hua-Zhong Normal U.) ; Sichtermann, E.P. (LBL, Berkeley) ; Simon, F. (Munich, Max Planck Inst.) ; Singaraju, R.N. (Calcutta, VECC) ; Skoby, M.J. (Purdue U.) ; Smirnov, N. (Yale U.) ; Sorensen, P. (Brookhaven) ; Sowinski, J. (Indiana U.) ; Spinka, H.M. (Argonne) ; Srivastava, B. (Purdue U.) ; Stanislaus, T.D.S. (Valparaiso U., Indiana) ; Staszak, D. (UCLA) ; Stevens, J.R. (Indiana U.) ; Stock, R. (Frankfurt U.) ; Strikhanov, M. (Moscow Phys. Eng. Inst.) ; Stringfellow, B. (Purdue U.) ; Suaide, A.A.P. (Sao Paulo U.) ; Suarez, M.C. (Illinois U., Chicago) ; Subba, N.L. (Kent State U.) ; Sumbera, M. (Rez, Nucl. Phys. Inst.) ; Sun, X.M. (LBL, Berkeley) ; Sun, Y. (Hefei, CUST) ; Sun, Z. (Lanzhou, Inst. Modern Phys.) ; Surrow, B. (MIT) ; Svirida, D.N. (Moscow, ITEP) ; Symons, T.J.M. (LBL, Berkeley) ; Szanto de Toledo, A. (Sao Paulo U.) ; Takahashi, J. (Campinas State U.) ; Tang, A.H. (Brookhaven) ; Tang, Z. (Hefei, CUST) ; Tarini, L.H. (Wayne State U.) ; Tarnowsky, T. (Michigan State U.) ; Thein, D. (Texas U.) ; Thomas, J.H. (LBL, Berkeley) ; Tian, J. (SINAP, Shanghai) ; Timmins, A.R. (Wayne State U.) ; Timoshenko, S. (Moscow Phys. Eng. Inst.) ; Tlusty, D. (Rez, Nucl. Phys. Inst.) ; Tokarev, M. (Dubna, JINR) ; Tram, V.N. (LBL, Berkeley) ; Trentalange, S. (UCLA) ; Tribble, R.E. (Texas A-M) ; Tsai, O.D. (UCLA) ; Ulery, J. (Purdue U.) ; Ullrich, T. (Brookhaven) ; Underwood, D.G. (Argonne) ; Van Buren, G. (Brookhaven) ; van Leeuwen, M. (NIKHEF, Amsterdam) ; van Nieuwenhuizen, G. (MIT) ; Vanfossen, J.A. (Kent State U.) ; Varma, R. (Indian Inst. Tech., Mumbai) ; Vasconcelos, G.M.S. (Campinas State U.) ; Vasiliev, A.N. (Serpukhov, IHEP) ; Videbaek, F. (Brookhaven) ; Viyogi, Y.P. (Calcutta, VECC) ; Vokal, S. (Dubna, JINR) ; Voloshin, S.A. (Wayne State U.) ; Wada, M. (Texas U.) ; Walker, M. (MIT) ; Wang, F. (Purdue U.) ; Wang, G. (UCLA) ; Wang, H. (Michigan State U.) ; Wang, J.S. (Lanzhou, Inst. Modern Phys.) ; Wang, Q. (Purdue U.) ; Wang, X.L. (Hefei, CUST) ; Wang, Y. (Tsinghua U., Beijing) ; Webb, G. (Kentucky U.) ; Webb, J.C. (Brookhaven) ; Westfall, G.D. (Michigan State U.) ; Whitten, C. (UCLA) ; Wieman, H. (LBL, Berkeley) ; Wissink, S.W. (Indiana U.) ; Witt, R. (Naval Academy, Annapolis) ; Wu, Y.F. (Hua-Zhong Normal U.) ; Xie, W. (Purdue U.) ; Xu, H. (Lanzhou, Inst. Modern Phys.) ; Xu, N. (LBL, Berkeley) ; Xu, Q.H. (Shandong U.) ; Xu, W. (UCLA) ; Xu, Y. (Hefei, CUST) ; Xu, Z. (Brookhaven) ; Xue, L. (SINAP, Shanghai) ; Yang, Y. (Lanzhou, Inst. Modern Phys.) ; Yepes, P. (Rice U.) ; Yip, K. (Brookhaven) ; Yoo, I-K. (Pusan Natl. U.) ; Yue, Q. (Tsinghua U., Beijing) ; Zawisza, M. (Warsaw U. of Tech.) ; Zbroszczyk, H. (Warsaw U. of Tech.) ; Zhan, W. (Lanzhou, Inst. Modern Phys.) ; Zhang, J.B. (Hua-Zhong Normal U.) ; Zhang, S. (SINAP, Shanghai) ; Zhang, W.M. (Kent State U.) ; Zhang, X.P. (LBL, Berkeley) ; Zhang, Y. (LBL, Berkeley) ; Zhang, Z.P. (Hefei, CUST) ; Zhao, J. (SINAP, Shanghai) ; Zhong, C. (SINAP, Shanghai) ; Zhou, J. (Rice U.) ; Zhou, W. (Shandong U.) ; Zhu, X. (Tsinghua U., Beijing) ; Zhu, Y.H. (SINAP, Shanghai) ; Zoulkarneev, R. (Dubna, JINR) ; Zoulkarneeva, Y. (Dubna, JINR)

Published in: Phys.Rev.Lett.
Year: 2010
Vol.: 105
Page No: 022302
Pages: 6

Abstract: We report the first measurements of the kurtosis (\kappa), skewness (S) and variance (\sigma^2) of net-proton multiplicity (N_p - N_pbar) distributions at midrapidity for Au+Au collisions at \sqrt(s_NN) = 19.6, 62.4, and 200 GeV corresponding to baryon chemical potentials (\mu_B) between 200 - 20 MeV. Our measurements of the products \kappa \sigma^2 and S \sigma, which can be related to theoretical calculations sensitive to baryon number susceptibilities and long range correlations, are constant as functions of collision centrality. We compare these products with results from lattice QCD and various models without a critical point and study the \sqrt(s_NN) dependence of \kappa \sigma^2. From the measurements at the three beam energies, we find no evidence for a critical point in the QCD phase diagram for \mu_B below 200 MeV.

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