/ nucl-ex arXiv:1408.5017


Charged-to-neutral correlation at forward rapidity in Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV


Adamczyk, L. (AGH-UST, Cracow) ; Adkins, J.K. (Kentucky U.) ; Agakishiev, G. (Dubna, JINR) ; Aggarwal, M.M. (Panjab U.) ; Ahammed, Z. (Calcutta, VECC) ; Alekseev, I. (Moscow, ITEP) ; Alford, J. (Kent State U.) ; Anson, C.D. (Ohio State U.) ; Aparin, A. (Dubna, JINR) ; Arkhipkin, D. (Brookhaven) ; Aschenauer, E.C. (Brookhaven) ; Averichev, G.S. (Dubna, JINR) ; Banerjee, A. (Calcutta, VECC) ; Beavis, D.R. (Brookhaven) ; Bellwied, R. (Houston U.) ; Bhasin, A. (Jammu U.) ; Bhati, A.K. (Panjab U.) ; Bhattarai, P. (Texas U.) ; Bichsel, H. (Washington U., Seattle) ; Bielcik, J. (Prague, Tech. U.) ; Bielcikova, J. (Rez, Nucl. Phys. Inst.) ; Bland, L.C. (Brookhaven) ; Bordyuzhin, I.G. (Moscow, ITEP) ; Borowski, W. (SUBATECH, Nantes) ; Bouchet, J. (Kent State U.) ; Brandin, A.V. (Moscow Phys. Eng. Inst.) ; Brovko, S.G. (UC, Davis) ; Bultmann, S. (Old Dominion U.) ; Bunzarov, I. (Dubna, JINR) ; Burton, T.P. (Brookhaven) ; Butterworth, J. (Rice U.) ; Caines, H. (Yale U.) ; Calderon de la Barca Sanchez, M. (UC, Davis) ; Campbell, J.M. (Ohio State U.) ; Cebra, D. (UC, Davis) ; Cendejas, R. (Penn State U.) ; Cervantes, M.C. (Texas A-M) ; Chaloupka, P. (Prague, Tech. U.) ; Chang, Z. (Texas A-M) ; Chattopadhyay, S. (Calcutta, VECC) ; Chen, H.F. (Hefei, CUST) ; Chen, J.H. (SINAP, Shanghai) ; Chen, L. (Hua-Zhong Normal U.) ; Cheng, J. (Tsinghua U., Beijing) ; Cherney, M. (Creighton U.) ; Chikanian, A. (Yale U.) ; Christie, W. (Brookhaven) ; Chwastowski, J. (AGH-UST, Cracow) ; Codrington, M.J.M. (Texas U.) ; Contin, G. (LBL, Berkeley) ; Cramer, J.G. (Washington U., Seattle) ; Crawford, H.J. (UC, Berkeley) ; Cui, X. (Hefei, CUST) ; Das, S. (Bhubaneswar, Inst. Phys.) ; Davila Leyva, A. (Texas U.) ; De Silva, L.C. (Creighton U.) ; Debbe, R.R. (Brookhaven) ; Dedovich, T.G. (Dubna, JINR) ; Deng, J. (Shandong U.) ; Derevschikov, A.A. (Serpukhov, IHEP) ; Derradi de Souza, R. (Campinas State U.) ; di Ruzza, B. (Brookhaven) ; Didenko, L. (Brookhaven) ; Dilks, C. (Penn State U.) ; Ding, F. (UC, Davis) ; Djawotho, P. (Texas A-M) ; Dong, X. (LBL, Berkeley) ; Drachenberg, J.L. (Valparaiso U., Indiana) ; Draper, J.E. (UC, Davis) ; Du, C.M. (Lanzhou, Inst. Modern Phys.) ; Dunkelberger, L.E. (UCLA) ; Dunlop, J.C. (Brookhaven) ; Efimov, L.G. (Dubna, JINR) ; Engelage, J. (UC, Berkeley) ; Engle, K.S. (Naval Academy, Annapolis) ; Eppley, G. (Rice U.) ; Eun, L. (LBL, Berkeley) ; Evdokimov, O. (Illinois U., Chicago) ; Eyser, O. (Brookhaven) ; Fatemi, R. (Kentucky U.) ; Fazio, S. (Brookhaven) ; Fedorisin, J. (Dubna, JINR) ; Filip, P. (Dubna, JINR) ; Fisyak, Y. (Brookhaven) ; Flores, C.E. (UC, Davis) ; Gagliardi, C.A. (Texas A-M) ; Gangadharan, D.R. (Ohio State U.) ; Garand, D. (Purdue U.) ; Geurts, F. (Rice U.) ; Gibson, A. (Valparaiso U., Indiana) ; Girard, M. (Warsaw U. of Tech.) ; Gliske, S. (Argonne) ; Greiner, L. (LBL, Berkeley) ; Grosnick, D. (Valparaiso U., Indiana) ; Gunarathne, D.S. (Temple U.) ; Guo, Y. (Hefei, CUST) ; Gupta, A. (Jammu U.) ; Gupta, S. (Jammu U.) ; Guryn, W. (Brookhaven) ; Haag, B. (UC, Davis) ; Hamed, A. (Texas A-M) ; Han, L-X. (SINAP, Shanghai) ; Haque, R. (Bhubaneswar, NISER) ; Harris, J.W. (Yale U.) ; Heppelmann, S. (Penn State U.) ; Hirsch, A. (Purdue U.) ; Hoffmann, G.W. (Texas U.) ; Hofman, D.J. (Illinois U., Chicago) ; Horvat, S. (Yale U.) ; Huang, B. (Brookhaven) ; Huang, H.Z. (UCLA) ; Huang, X. (Tsinghua U., Beijing) ; Huck, P. (Hua-Zhong Normal U.) ; Humanic, T.J. (Ohio State U.) ; Igo, G. (UCLA) ; Jacobs, W.W. (Indiana U.) ; Jang, H. (KISTI, Daejeon) ; Judd, E.G. (UC, Berkeley) ; Kabana, S. (SUBATECH, Nantes) ; Kalinkin, D. (Moscow, ITEP) ; Kang, K. (Tsinghua U., Beijing) ; Kauder, K. (Illinois U., Chicago) ; Ke, H.W. (Brookhaven) ; Keane, D. (Kent State U.) ; Kechechyan, A. (Dubna, JINR) ; Kesich, A. (UC, Davis) ; Khan, Z.H. (Illinois U., Chicago) ; Kikola, D.P. (Warsaw U. of Tech.) ; Kisel, I. (Frankfurt U., FIAS) ; Kisiel, A. (Warsaw U. of Tech.) ; Koetke, D.D. (Valparaiso U., Indiana) ; Kollegger, T. (Frankfurt U., FIAS) ; Konzer, J. (Purdue U.) ; Koralt, I. (Old Dominion U.) ; Kosarzewski, L.K. (Warsaw U. of Tech.) ; Kotchenda, L. (Moscow Phys. Eng. Inst.) ; Kraishan, A.F. (Temple U.) ; Kravtsov, P. (Moscow Phys. Eng. Inst.) ; Krueger, K. (Argonne) ; Kulakov, I. (Frankfurt U., FIAS) ; Kumar, L. (Bhubaneswar, NISER) ; Kycia, R.A. (AGH-UST, Cracow) ; Lamont, M.A.C. (Brookhaven) ; Landgraf, J.M. (Brookhaven) ; Landry, K.D. (UCLA) ; Lauret, J. (Brookhaven) ; Lebedev, A. (Brookhaven) ; Lednicky, R. (Dubna, JINR) ; Lee, J.H. (Brookhaven) ; Li, C. (Hefei, CUST) ; Li, W. (SINAP, Shanghai) ; Li, X. (Purdue U.) ; Li, X. (Temple U.) ; Li, Y. (Tsinghua U., Beijing) ; Li, Z.M. (Hua-Zhong Normal U.) ; Lisa, M.A. (Ohio State U.) ; Liu, F. (Hua-Zhong Normal U.) ; Ljubicic, T. (Brookhaven) ; Llope, W.J. (Rice U.) ; Lomnitz, M. (Kent State U.) ; Longacre, R.S. (Brookhaven) ; Luo, X. (Hua-Zhong Normal U.) ; Ma, G.L. (SINAP, Shanghai) ; Ma, Y.G. (SINAP, Shanghai) ; Mahapatra, D.P. (Bhubaneswar, Inst. Phys.) ; Majka, R. (Yale U.) ; Margetis, S. (Kent State U.) ; Markert, C. (Texas U.) ; Masui, H. (LBL, Berkeley) ; Matis, H.S. (LBL, Berkeley) ; McDonald, D. (Houston U.) ; McShane, T.S. (Creighton U.) ; Minaev, N.G. (Serpukhov, IHEP) ; Mioduszewski, S. (Texas A-M) ; Mohanty, B. (Bhubaneswar, NISER) ; Mondal, M.M. (Texas A-M) ; Morozov, D.A. (Serpukhov, IHEP) ; Mustafa, M.K. (LBL, Berkeley) ; Nandi, B.K. (Indian Inst. Tech., Mumbai) ; Nasim, Md. (UCLA) ; Nayak, T.K. (Calcutta, VECC) ; Nelson, J.M. (Birmingham U.) ; Nigmatkulov, G. (Moscow Phys. Eng. Inst.) ; Nogach, L.V. (Serpukhov, IHEP) ; Noh, S.Y. (KISTI, Daejeon) ; Novak, J. (Michigan State U.) ; Nurushev, S.B. (Serpukhov, IHEP) ; Odyniec, G. (LBL, Berkeley) ; Ogawa, A. (Brookhaven) ; Oh, K. (Pusan Natl. U.) ; Ohlson, A. (Yale U.) ; Okorokov, V. (Moscow Phys. Eng. Inst.) ; Oldag, E.W. (Texas U.) ; Olvitt, D.L., Jr. (Temple U.) ; Page, B.S. (Indiana U.) ; Pan, Y.X. (UCLA) ; Pandit, Y. (Illinois U., Chicago) ; Panebratsev, Y. (Dubna, JINR) ; Pawlak, T. (Warsaw U. of Tech.) ; Pawlik, B. (Cracow, INP) ; Pei, H. (Hua-Zhong Normal U.) ; Perkins, C. (UC, Berkeley) ; Pile, P. (Brookhaven) ; Planinic, M. (Zagreb U., Phys. Dept.) ; Pluta, J. (Warsaw U. of Tech.) ; Poljak, N. (Zagreb U., Phys. Dept.) ; Poniatowska, K. (Warsaw U. of Tech.) ; Porter, J. (LBL, Berkeley) ; Poskanzer, A.M. (LBL, Berkeley) ; Pruthi, N.K. (Panjab U.) ; Przybycien, M. (AGH-UST, Cracow) ; Putschke, J. (Wayne State U.) ; Qiu, H. (LBL, Berkeley) ; Quintero, A. (Kent State U.) ; Ramachandran, S. (Kentucky U.) ; Raniwala, R. (Rajasthan U.) ; Raniwala, S. (Rajasthan U.) ; Ray, R.L. (Texas U.) ; Riley, C.K. (Yale U.) ; Ritter, H.G. (LBL, Berkeley) ; Roberts, J.B. (Rice U.) ; Rogachevskiy, O.V. (Dubna, JINR) ; Romero, J.L. (UC, Davis) ; Ross, J.F. (Creighton U.) ; Roy, A. (Calcutta, VECC) ; Ruan, L. (Brookhaven) ; Rusnak, J. (Rez, Nucl. Phys. Inst.) ; Rusnakova, O. (Prague, Tech. U.) ; Sahoo, N.R. (Texas A-M) ; Sahu, P.K. (Bhubaneswar, Inst. Phys.) ; Sakrejda, I. (LBL, Berkeley) ; Salur, S. (LBL, Berkeley) ; Sandacz, A. (Warsaw U. of Tech.) ; Sandweiss, J. (Yale U.) ; Sangaline, E. (UC, Davis) ; Sarkar, A. (Indian Inst. Tech., Mumbai) ; Schambach, J. (Texas U.) ; Scharenberg, R.P. (Purdue U.) ; Schmah, A.M. (LBL, Berkeley) ; Schmidke, W.B. (Brookhaven) ; Schmitz, N. (Munich, Max Planck Inst.) ; Seger, J. (Creighton U.) ; Seyboth, P. (Munich, Max Planck Inst.) ; Shah, N. (UCLA) ; Shahaliev, E. (Dubna, JINR) ; Shanmuganathan, P.V. (Kent State U.) ; Shao, M. (Hefei, CUST) ; Sharma, B. (Panjab U.) ; Shen, W.Q. (SINAP, Shanghai) ; Shi, S.S. (LBL, Berkeley) ; Shou, Q.Y. (SINAP, Shanghai) ; Sichtermann, E.P. (LBL, Berkeley) ; Simko, M. (Prague, Tech. U.) ; Skoby, M.J. (Indiana U.) ; Smirnov, D. (Brookhaven) ; Smirnov, N. (Yale U.) ; Solanki, D. (Rajasthan U.) ; Sorensen, P. (Brookhaven) ; Spinka, H.M. (Argonne) ; Srivastava, B. (Purdue U.) ; Stanislaus, T.D.S. (Valparaiso U., Indiana) ; Stevens, J.R. (MIT) ; Stock, R. (Frankfurt U., FIAS) ; Strikhanov, M. (Moscow Phys. Eng. Inst.) ; Stringfellow, B. (Purdue U.) ; Sumbera, M. (Rez, Nucl. Phys. Inst.) ; Sun, X. (LBL, Berkeley) ; Sun, X.M. (LBL, Berkeley) ; Sun, Y. (Hefei, CUST) ; Sun, Z. (Lanzhou, Inst. Modern Phys.) ; Surrow, B. (Temple U.) ; Svirida, D.N. (Moscow, ITEP) ; Symons, T.J.M. (LBL, Berkeley) ; Szelezniak, M.A. (LBL, Berkeley) ; Takahashi, J. (Campinas State U.) ; Tang, A.H. (Brookhaven) ; Tang, Z. (Hefei, CUST) ; Tarnowsky, T. (Michigan State U.) ; Thomas, J.H. (LBL, Berkeley) ; Timmins, A.R. (Houston U.) ; Tlusty, D. (Rez, Nucl. Phys. Inst.) ; Tokarev, M. (Dubna, JINR) ; Trentalange, S. (UCLA) ; Tribble, R.E. (Texas A-M) ; Tribedy, P. (Calcutta, VECC) ; Trzeciak, B.A. (Prague, Tech. U.) ; Tsai, O.D. (UCLA) ; Turnau, J. (Cracow, INP) ; Ullrich, T. (Brookhaven) ; Underwood, D.G. (Argonne) ; Van Buren, G. (Brookhaven) ; van Nieuwenhuizen, G. (MIT) ; Vandenbroucke, M. (Temple U.) ; J.A.Vanfossen, Jr. (Kent State U.) ; Varma, R. (Indian Inst. Tech., Mumbai) ; Vasconcelos, G.M.S. (Campinas State U.) ; Vasiliev, A.N. (Serpukhov, IHEP) ; Vertesi, R. (Rez, Nucl. Phys. Inst.) ; Videbaek, F. (Brookhaven) ; Viyogi, Y.P. (Calcutta, VECC) ; Vokal, S. (Dubna, JINR) ; Vossen, A. (Indiana U.) ; Wada, M. (Texas U.) ; Wang, F. (Purdue U.) ; Wang, G. (UCLA) ; Wang, H. (Brookhaven) ; Wang, J.S. (Lanzhou, Inst. Modern Phys.) ; Wang, X.L. (Hefei, CUST) ; Wang, Y. (Tsinghua U., Beijing) ; Wang, Y. (Illinois U., Chicago) ; Webb, G. (Brookhaven) ; Webb, J.C. (Brookhaven) ; Westfall, G.D. (Michigan State U.) ; Wieman, H. (LBL, Berkeley) ; Wissink, S.W. (Indiana U.) ; Witt, R. (Naval Academy, Annapolis) ; Wu, Y.F. (Hua-Zhong Normal U.) ; Xiao, Z. (Tsinghua U., Beijing) ; Xie, W. (Purdue U.) ; Xin, K. (Rice U.) ; Xu, H. (Lanzhou, Inst. Modern Phys.) ; Xu, J. (Hua-Zhong Normal U.) ; Xu, N. (LBL, Berkeley) ; Xu, Q.H. (Shandong U.) ; Xu, Y. (Hefei, CUST) ; Xu, Z. (Brookhaven) ; Yan, W. (Tsinghua U., Beijing) ; Yang, C. (Hefei, CUST) ; Yang, Y. (Lanzhou, Inst. Modern Phys.) ; Yang, Y. (Hua-Zhong Normal U.) ; Ye, Z. (Illinois U., Chicago) ; Yepes, P. (Rice U.) ; Yi, L. (Purdue U.) ; Yip, K. (Brookhaven) ; Yoo, I-K. (Pusan Natl. U.) ; Yu, N. (Hua-Zhong Normal U.) ; Zbroszczyk, H. (Warsaw U. of Tech.) ; Zha, W. (Hefei, CUST) ; Zhang, J.B. (Hua-Zhong Normal U.) ; Zhang, J.L. (Shandong U.) ; Zhang, S. (SINAP, Shanghai) ; Zhang, X.P. (Tsinghua U., Beijing) ; Zhang, Y. (Hefei, CUST) ; Zhang, Z.P. (Hefei, CUST) ; Zhao, F. (UCLA) ; Zhao, J. (Hua-Zhong Normal U.) ; Zhong, C. (SINAP, Shanghai) ; Zhu, X. (Tsinghua U., Beijing) ; Zhu, Y.H. (SINAP, Shanghai) ; Zoulkarneeva, Y. (Dubna, JINR) ; Zyzak, M. (Frankfurt U., FIAS)

Pages: 14

Abstract: Event-by-event fluctuations of the ratio of inclusive charged to photon multiplicities at forward rapidity in Au+Au collision at $\sqrt{s_{NN}}$=200 GeV have been studied. Dominant contribution to such fluctuations is expected to come from correlated production of charged and neutral pions. We search for evidences of dynamical fluctuations of different physical origins. Observables constructed out of moments of multiplicities are used as measures of fluctuations. Mixed events and model calculations are used as baselines. Results are compared to the dynamical net-charge fluctuations measured in the same acceptance. A non-zero statistically significant signal of dynamical fluctuations is observed in excess to the model prediction when charged particles and photons are measured in the same acceptance. We find that, unlike dynamical net-charge fluctuation, charge-neutral fluctuation is not dominated by correlation due to particle decay. Results are compared to the expectations based on the generic production mechanism of pions due to isospin symmetry, for which no significant (<1%) deviation is observed.

Web-Page: http://inspirehep.net/record/1311834/files/rm1_paper_comment.png; http://inspirehep.net/record/1311834/files/nudyn_chpm.png; http://inspirehep.net/record/1311834/files/Nch_0-10p_real-mixed.png; http://inspirehep.net/record/1311834/files/r11_21_31_comments.png; http://inspirehep.net/record/1311834/files/nudyn_EastWest.png; http://inspirehep.net/record/1311834/files/Ngamma_0-10p_real-mixed.png; http://inspirehep.net/record/1311834/files/allterms_comments.png; http://inspirehep.net/record/1311834/files/arXiv:1408.5017.pdf


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