/ Experiment-Nucl arXiv:0807.3269


Beam-Energy and System-Size Dependence of Dynamical Net Charge Fluctuations


Abelev, B.I. (Illinois U., Chicago) ; Aggarwal, M.M. (Panjab U.) ; Ahammed, Z. (Calcutta, VECC) ; Anderson, B.D. (Kent State U.) ; Arkhipkin, D. (Dubna, JINR) ; Averichev, G.S. (Dubna, JINR) ; Bai, Y. (NIKHEF, Amsterdam) ; Balewski, J. (Indiana U.) ; Barannikova, O. (Illinois U., Chicago) ; Barnby, L.S. (Birmingham U.) ; Baudot, J. (Strasbourg, IReS) ; Baumgart, S. (Yale U.) ; Beavis, D.R. (Brookhaven) ; Bellwied, R. (Wayne State U.) ; Benedosso, F. (NIKHEF, Amsterdam) ; Betts, R.R. (Illinois U., Chicago) ; Bhardwaj, S. (Rajasthan U.) ; Bhasin, A. (Jammu U.) ; Bhati, A.K. (Panjab U.) ; Bichsel, H. (Washington U., Seattle) ; Bielcik, J. (Yale U.) ; Bielcikova, J. (Yale U.) ; Biritz, B. (UCLA) ; Bland, L.C. (Brookhaven) ; Bombara, M. (Birmingham U.) ; Bonner, B.E. (Rice U.) ; Botje, M. (NIKHEF, Amsterdam) ; Bouchet, J. (SUBATECH, Nantes) ; Braidot, E. (NIKHEF, Amsterdam) ; Brandin, A.V. (Moscow Phys. Eng. Inst.) ; Bueltmann, S. (Brookhaven) ; Burton, T.P. (Birmingham U.) ; Bystersky, M. (Rez, Nucl. Phys. Inst.) ; Cai, X.Z. (SINAP, Shanghai) ; Caines, H. (Yale U.) ; Calderon de la Barca Sanchez, M. (UC, Davis) ; Callner, J. (Illinois U., Chicago) ; 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, S.U. (Brookhaven) ; Clarke, R.F. (Texas A-M) ; Codrington, M.J.M. (Texas A-M) ; Coffin, J.P. (Strasbourg, IReS) ; Cormier, T.M. (Wayne State U.) ; Cosentino, M.R. (Sao Paulo U.) ; Cramer, J.G. (Washington U., Seattle) ; Crawford, H.J. (UC, Berkeley) ; Das, D. (Calcutta, VECC) ; Dash, S. (Bhubaneswar, Inst. Phys.) ; Daugherity, M. (Texas U.) ; de Moura, M.M. (Sao Paulo U.) ; Dedovich, T.G. (Dubna, JINR) ; DePhillips, M. (Brookhaven) ; Derevschikov, A.A. (Serpukhov, IHEP) ; Derradi de Souza, R. (Campinas State U.) ; Didenko, L. (Brookhaven) ; Dietel, T. (Frankfurt U.) ; Djawotho, P. (Indiana U.) ; Dogra, S.M. (Jammu U.) ; Dong, X. (LBL, Berkeley) ; Drachenberg, J.L. (Texas A-M) ; Draper, J.E. (UC, Davis) ; Du, F. (Yale U.) ; Dunlop, J.C. (Brookhaven) ; Dutta Mazumdar, M.R. (Calcutta, VECC) ; Edwards, W.R. (LBL, Berkeley) ; Efimov, L.G. (Dubna, JINR) ; Elhalhuli, E. (Birmingham U.) ; Elnimr, M. (Wayne State U.) ; Emelianov, V. (Moscow Phys. Eng. Inst.) ; Engelage, J. (UC, Berkeley) ; Eppley, G. (Rice U.) ; Erazmus, B. (SUBATECH, Nantes) ; Estienne, M. (Strasbourg, IReS) ; Eun, L. (Penn State U.) ; Fachini, P. (Brookhaven) ; Fatemi, R. (MIT) ; Fedorisin, J. (Dubna, JINR) ; Feng, A. (Hua-Zhong Normal U.) ; Filip, P. (Dubna, JINR) ; Finch, E. (Yale U.) ; Fine, V. (Brookhaven) ; Fisyak, Y. (Brookhaven) ; Gagliardi, C.A. (Texas A-M) ; Gaillard, L. (Birmingham U.) ; Gangadharan, D.R. (UCLA) ; Ganti, M.S. (Calcutta, VECC) ; Garcia-Solis, E. (Illinois U., Chicago) ; Ghazikhanian, V. (UCLA) ; Ghosh, P. (Calcutta, VECC) ; Gorbunov, Y.N. (Creighton U.) ; Gordon, A. (Brookhaven) ; Grebenyuk, O. (NIKHEF, Amsterdam) ; Grosnick, D. (Valparaiso U., Indiana) ; Grube, B. (Pusan Natl. U.) ; Guertin, S.M. (UCLA) ; Guimaraes, K.S.F.F. (Sao Paulo U.) ; Gupta, A. (Jammu U.) ; Gupta, N. (Jammu U.) ; Kajimoto, K. (Texas U.) ; Kang, K. (Tsinghua U., Beijing) ; Kapitan, J. (Rez, Nucl. Phys. Inst.) ; Kaplan, M. (Carnegie Mellon U.) ; Keane, D. (Kent State U.) ; Kechechyan, A. (Dubna, JINR) ; Kettler, D. (Washington U., Seattle) ; Khodyrev, V.Yu. (Serpukhov, IHEP) ; Kiryluk, J. (LBL, Berkeley) ; Kisiel, A. (Ohio State U.) ; Klein, S.R. (LBL, Berkeley) ; Knospe, A.G. (Yale U.) ; Kocoloski, A. (MIT) ; Koetke, D.D. (Valparaiso U., Indiana) ; Kollegger, T. (Frankfurt U.) ; Kopytine, M. (Kent State U.) ; Kotchenda, L. (Moscow Phys. Eng. Inst.) ; Kouchpil, V. (Rez, Nucl. Phys. Inst.) ; Kravtsov, P. (Moscow Phys. Eng. Inst.) ; Kravtsov, V.I. (Serpukhov, IHEP) ; Krueger, K. (Argonne, PHY) ; Kuhn, C. (Strasbourg, IReS) ; Kumar, A. (Panjab U.) ; Kumar, L. (Panjab U.) ; Kurnadi, P. (UCLA) ; Lamont, M.A.C. (Yale U.) ; Landgraf, J.M. (Brookhaven) ; Lange, S. (Frankfurt U.) ; LaPointe, S. (Wayne State U.) ; Laue, F. (Brookhaven) ; Lauret, J. (Brookhaven) ; Lebedev, A. (Brookhaven) ; Lednicky, R. (Dubna, JINR) ; Lee, C-H. (Pusan Natl. U.) ; LeVine, M.J. (Brookhaven) ; Li, C. (Hefei, CUST) ; Li, Y. (Tsinghua U., Beijing) ; Lin, G. (Yale U.) ; Lin, X. (Hua-Zhong Normal U.) ; Lindenbaum, S.J. (City Coll., N.Y.) ; Lisa, M.A. (Ohio State U.) ; Liu, F. (Hua-Zhong Normal U.) ; Liu, J. (Rice U.) ; Liu, L. (Hua-Zhong Normal U.) ; Ljubicic, T. (Brookhaven) ; Llope, W.J. (Rice U.) ; Longacre, R.S. (Brookhaven) ; Love, W.A. (Brookhaven) ; Lu, Y. (Hua-Zhong Normal U.) ; Ludlam, T. (Brookhaven) ; Lynn, D. (Brookhaven) ; Ma, G.L. (SINAP, Shanghai) ; Ma, J.G. (UCLA) ; Ma, Y.G. (SINAP, Shanghai) ; Mahapatra, D.P. (Bhubaneswar, Inst. Phys.) ; Majka, R. (Yale U.) ; Mangotra, L.K. (Jammu U.) ; Manweiler, R. (Valparaiso U., Indiana) ; Margetis, S. (Kent State U.) ; Markert, C. (Texas U.) ; Matis, H.S. (LBL, Berkeley) ; Matulenko, Yu.A. (Serpukhov, IHEP) ; McShane, T.S. (Creighton U.) ; Meschanin, A. (Serpukhov, IHEP) ; Millane, J. (MIT) ; Miller, M.L. (MIT) ; Minaev, N.G. (Serpukhov, IHEP) ; Mioduszewski, S. (Texas A-M) ; Mischke, A. (NIKHEF, Amsterdam) ; Mitchell, J. (Rice U.) ; Mohanty, B. (LBL, Berkeley) ; 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.) ; Nepali, C. (Kent State 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) ; Okada, H. (Brookhaven) ; Okorokov, V. (Moscow Phys. Eng. Inst.) ; Olson, D. (LBL, Berkeley) ; Pachr, M. (Rez, Nucl. Phys. Inst.) ; Pal, S.K. (Calcutta, VECC) ; 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.) ; Planinic, M. (Zagreb U.) ; Pluta, J. (Warsaw U. of Tech.) ; Poljak, N. (Zagreb U.) ; Porile, N. (Purdue U.) ; Poskanzer, A.M. (LBL, Berkeley) ; Potekhin, M. (Brookhaven) ; Potukuchi, B.V.K.S. (Jammu U.) ; Prindle, D. (Washington U., Seattle) ; Pruneau, C. (Wayne State U.) ; Pruthi, N.K. (Panjab U.) ; Putschke, J. (LBL, Berkeley) ; Qattan, I.A. (Indiana U.) ; Raniwala, R. (Rajasthan U.) ; Raniwala, S. (Rajasthan U.) ; Ray, R.L. (Texas U.) ; Ridiger, A. (Moscow Phys. Eng. Inst.) ; 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) ; Russcher, M.J. (NIKHEF, Amsterdam) ; Rykov, V. (Kent State U.) ; Sahoo, R. (Bhubaneswar, Inst. Phys.) ; Sakrejda, I. (LBL, Berkeley) ; Sakuma, T. (MIT) ; Salur, S. (LBL, Berkeley) ; Sandweiss, J. (Yale U.) ; Sarsour, M. (Texas A-M) ; Schambach, J. (Texas U.) ; Scharenberg, R.P. (Purdue U.) ; Schmitz, N. (Munich, Max Planck Inst.) ; Seger, J. (Creighton U.) ; Selyuzhenkov, I. (Wayne State U.) ; Seyboth, P. (Munich, Max Planck Inst.) ; Shabetai, A. (Strasbourg, IReS) ; Shahaliev, E. (Dubna, JINR) ; Shao, M. (Hefei, CUST) ; Sharma, M. (Panjab U.) ; Shi, S.S. (Hua-Zhong Normal U.) ; Shi, X-H. (SINAP, Shanghai) ; Sichtermann, E.P. (LBL, Berkeley) ; Simon, F. (MIT) ; Singaraju, R.N. (Calcutta, VECC) ; Skoby, M.J. (Purdue U.) ; Smirnov, N. (Yale U.) ; Snellings, R. (NIKHEF, Amsterdam) ; Sorensen, P. (Brookhaven) ; Sowinski, J. (Indiana U.) ; Spinka, H.M. (Argonne, PHY) ; Srivastava, B. (Purdue U.) ; Stadnik, A. (Dubna, JINR) ; Stanislaus, T.D.S. (Valparaiso U., Indiana) ; Staszak, D. (UCLA) ; 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) ; 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) ; Tarnowsky, T. (Purdue U.) ; Thein, D. (Texas U.) ; Thomas, J.H. (LBL, Berkeley) ; Tian, J. (SINAP, Shanghai) ; Timmins, A.R. (Birmingham U.) ; Timoshenko, S. (Moscow Phys. Eng. Inst.) ; Tokarev, M. (Dubna, JINR) ; Tram, V.N. (LBL, Berkeley) ; Trattner, A.L. (UC, Berkeley) ; Trentalange, S. (UCLA) ; Tribble, R.E. (Texas A-M) ; Tsai, O.D. (UCLA) ; Ulery, J. (Purdue U.) ; Ullrich, T. (Brookhaven) ; Underwood, David G. (Argonne, PHY) ; Van Buren, G. (Brookhaven) ; van der Kolk, N. (NIKHEF, Amsterdam) ; van Leeuwen, M. (LBL, Berkeley) ; Vander Molen, A.M. (Michigan State U.) ; Varma, R. (Indian Inst. Tech., Mumbai) ; Vasconcelos, G.M.S. (Campinas State U.) ; Vasilevski, I.M. (Dubna, JINR) ; Vasiliev, A.N. (Serpukhov, IHEP) ; Videbaek, F. (Brookhaven) ; Vigdor, S.E. (Indiana U.) ; Viyogi, Y.P. (Bhubaneswar, Inst. Phys.) ; Vokal, S. (Dubna, JINR) ; Voloshin, S.A. (Wayne State U.) ; Wada, M. (Texas U.) ; Waggoner, W.T. (Creighton U.) ; Wang, F. (Purdue U.) ; Wang, G. (UCLA) ; Wang, J.S. (Lanzhou, Inst. Modern Phys.) ; Wang, Q. (Purdue U.) ; Wang, X. (Tsinghua U., Beijing) ; Wang, X.L. (Hefei, CUST) ; Wang, Y. (Tsinghua U., Beijing) ; Webb, J.C. (Valparaiso U., Indiana) ; Westfall, G.D. (Michigan State U.) ; Whitten, C., Jr. (UCLA) ; Wieman, H. (LBL, Berkeley) ; Wissink, S.W. (Indiana U.) ; Witt, R. (Yale U.) ; Wu, J. (Hefei, CUST) ; Wu, Y. (Hua-Zhong Normal U.) ; Xu, N. (LBL, Berkeley) ; Xu, Q.H. (LBL, Berkeley) ; Xu, Y. (Hefei, CUST) ; Xu, Z. (Brookhaven) ; Yepes, P. (Rice U.) ; 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, H. (Brookhaven) ; Zhang, S. (SINAP, Shanghai) ; Zhang, W.M. (Kent State U.) ; Zhang, Y. (Hefei, CUST) ; Zhang, Z.P. (Hefei, CUST) ; Zhao, Y. (Hefei, CUST) ; Zhong, C. (SINAP, Shanghai) ; Zhou, J. (Rice U.) ; Zoulkarneev, R. (Dubna, JINR) ; Zoulkarneeva, Y. (Dubna, JINR) ; Zuo, J.X. (SINAP, Shanghai)

Published in: Phys.Rev.
Year: 2009
Vol.: C79
Page No: 024906
Pages: 24

Abstract: We present measurements of net charge fluctuations in $Au + Au$ collisions at $\sqrt{s_{NN}} = $ 19.6, 62.4, 130, and 200 GeV, $Cu + Cu$ collisions at $\sqrt{s_{NN}} = $ 62.4, 200 GeV, and $p + p$ collisions at $\sqrt{s} = $ 200 GeV using the dynamical net charge fluctuations measure $\nu_{+-{\rm,dyn}}$. We observe that the dynamical fluctuations are non-zero at all energies and exhibit a modest dependence on beam energy. A weak system size dependence is also observed. We examine the collision centrality dependence of the net charge fluctuations and find that dynamical net charge fluctuations violate $1/N_{ch}$ scaling, but display approximate $1/N_{part}$ scaling. We also study the azimuthal and rapidity dependence of the net charge correlation strength and observe strong dependence on the azimuthal angular range and pseudorapidity widths integrated to measure the correlation.

Keyword(s): Net charge fluctuations ; azimuthal correlations ; QGP ; Heavy Ion Collisions

Web-Page: http://inspirebeta.net/record/791177/files/auau_cucu_paper_new.png; http://inspirebeta.net/record/791177/files/auau_cucu_phistudy_new.png; http://inspirebeta.net/record/791177/files/dndeta_nudynamic_dndeta_paper_new.png; http://inspirebeta.net/record/791177/files/etastudy_30_40paper_new.png; http://inspirebeta.net/record/791177/files/etastudy_paper_new.png; http://inspirebeta.net/record/791177/files/nudynamic_npart_nbin_paper_new.png; http://inspirebeta.net/record/791177/files/nudynamic_npart_new.png; http://inspirebeta.net/record/791177/files/nudynamic_npart_npart_paper_new.png; http://inspirebeta.net/record/791177/files/roots_new.png

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