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Multiplicity distributions and charged-neutral fluctuations

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Abstract

Results from the multiplicity distributions of inclusive photons and charged particles, scaling of particle multiplicities, event-by-event multiplicity fluctuations, and charged-neutral fluctuations in 158A GeV Pb+Pb collisions are presented and discussed. A scaling of charged particle multiplicity as N 1.07±0.05part and photos as N 1.12±0.03part have been observed, indicating violation of naive wounded nucleon model. The analysis of localized charged-neutral fluctuation indicates a model-independent demonstration of non-statistical fluctuations in both charged particles and photons in limited azimuthal regions. However, no correlated charged-neutral fluctuations are observed.

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Authors and Affiliations

  1. University of Panjab, India

    MM Aggarwal, VS Bhatia & G Sood

  2. University of Rajasthan, India

    A Agnihotri, KB Bhalla, SK Gupta, V Kumar, R Raniwala & S Raniwala

  3. Variable Energy Cyclotron Centre, 1/AF Bidhan Nagar, 700 064, Kolkata, India

    Tapan K Nayak, Z Ahammed, S Chattopadhyay, AC Das, I Doubovik, MR Dutta Majumdar, S Fokin, MS Ganti, DS Mukhopadhyay, TK Nayak, BC Sinha, MD Trivedi, A Tsvetkov & YP Viyogi

  4. University of Geneva, Switzerland

    ALS Angelis, P Donni, P Foka, H Kalechofsky, M Martin, H Naef, L Rosselet, JM Rubio, N Solomey & S Vörös

  5. Kurchatov, Russia

    V Antonenko, R Cherbatchev, M Ippolitov, K Karadjev, I Koutcheryaev, A Lebedev, V Manko, G Mgebrichvili, A Nianine, S Nikolaev, I Sibiriak & A Vinogradov

  6. JINR, Dubna, Russia

    V Arefiev, V Astakhov, V Avdeitchikov, A Baldine, L Barabach, B Batiounia, V Chalyshev, V Djordjadze, V Frolov, O Gavrishchuk, B Guskov, I Kosarev, N Kuzmin, A Maximov, R Mehdiyev, D Mikhalev, V Myalkovski, V Nikitine, P Nomokov, A Parfenov, S Pavliouk, I Roufanov, G Shabratova, N Slavine & A Vodopianov

  7. ORNL, Oak Ridge, USA

    TC Awes, H Kim, F Plasil, P Stankus & GR Young

  8. University of Jammu, India

    PVKS Baba, SK Badyal, NK Rao & SS Sambyal

  9. University of Münster, Germany

    C Barlag, S Bathe, C Blume, E-M Bohne, D Bucher, H Büsching, A Claussen, H Feldmann, R Glasow, K-H Kampert, S Kees, T Peitzmann, K Reygers, R Santo, H Schlagheck & D Stüken

  10. SUBATECH, Nantes, France

    T Bernier, HH Gutbrod, SK Nayak & F Retiere

  11. GSI, Darmstadt, Germany

    R Bock, BW Kolb, I Langbein, YY Lee, S Neumaier, ML Purschke, H-R Schmidt & J Urbahn

  12. NIKHEF, Utrecht, The Netherlands

    A Buijs, E-J Buis, MP Decowski, FJM Geurts, R Kamermans, B Raeven, C Twenhöfel, NV Eijndhoven, WHV Heeringen & MA Vos

  13. University of Lund, Sweden

    L Carlen, KE Chenawi, S Garpman, HA Gustafsson, J Nystrand, A Oskarsson, I Otterlund, K Söderström, E Stenlund, T Svensson & K Yagi

  14. University of Tsukuba, Japan

    T Chujo, K Enosawa, R Higuchi, S Kato, M Kurata, K Kurita, Y Miake, Y Miyamoto, S Nishimura, S Sato & Y Yokota

  15. NPI, Rez, Czech Rep.

    S Eliseev, I Hrivanacova, A Kugler, M Pachr, V Petracek, J Rak & M Sumbera

  16. KVI, Groningen, The Netherlands

    TK Ghosh & H Löhner

  17. INS, Warsaw, Poland

    K Karpio, T Siemiarczuk, G Stefanek & L Tykarski

  18. MIT, Cambridge, USA

    P Kulinich, G Roland, P Steinberg, GJV Nieuwenhuizen & B Wyslouch

  19. IOP, Bhubaneswar, India

    AK Dubey, DP Mahapatra, GC Mishra, B Mohanty, BK Nandi & VS Ramamurthy

  20. University of Tennessee, USA

    D Morrison, FE Obenshain & SP Sørensen

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Nayak, T.K., Aggarwal, M., Agnihotri, A. et al. Multiplicity distributions and charged-neutral fluctuations. Pramana - J Phys 57, 285–300 (2001). https://doi.org/10.1007/s12043-001-0039-3

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