Multiplicity distributions and charged-neutral fluctuations

Tapan K. Nayak, M. M. Aggarwal, A. Agnihotri, Z. Ahammed, A. L S Angelis, V. Antonenko, V. Arefiev, V. Astakhov, V. Avdeitchikov, T. C. Awes, P. V K S Baba, S. K. Badyal, A. Baldine, L. Barabach, C. Barlag, S. Bathe, B. Batiounia, T. Bernier, K. B. Bhalla, V. S. BhatiaC. Blume, R. Bock, E. M. Bohne, D. Bucher, A. Buijs, E. J. Buis, H. Büsching, L. Carlen, V. Chalyshev, S. Chattopadhyay, K. E. Chenawi, R. Cherbatchev, T. Chujo, A. Claussen, A. C. Das, M. P. Decowski, V. Djordjadze, P. Donni, I. Doubovik, A. K. Dubey, M. R. Dutta Majumdar, S. Eliseev, K. Enosawa, H. Feldmann, P. Foka, S. Fokin, V. Frolov, M. S. Ganti, S. Garpman, O. Gavrishchuk, F. J M Geurts, T. K. Ghosh, R. Glasow, S. K. Gupta, B. Guskov, H. A. Gustafsson, H. H. Gutbrod, R. Higuchi, I. Hrivnacova, M. Ippolitov, H. Kalechofsky, R. Kamermans, K. H. Kampert, K. Karadjev, K. Karpio, S. Kato, S. Kees, H. Kim, B. W. Kolb, I. Kosarev, I. Koutcheryaev, A. Kugler, P. Kulinich, V. Kumar, M. Kurata, K. Kurita, N. Kuzmin, I. Langbein, A. Lebedev, Y. Y. Lee, H. Löhner, D. P. Mahapatra, V. Manko, M. Martin, A. Maximov, R. Mehdiyev, G. Mgebrichvili, Y. Miake, D. Mikhalev, G. C. Mishra, Y. Miyamoto, B. Mohanty, D. Morrison, D. S. Mukhopadhyay, V. Myalkovski, H. Naef, B. K. Nandi, S. K. Nayak, T. K. Nayak, S. Neumaier, A. Nianine, V. Nikitine, S. Nikolaev, S. Nishimura, P. Nomokov, J. Nystrand, F. E. Obenshain, A. Oskarsson, I. Otterlund, M. Pachr, A. Parfenov, S. Pavliouk, T. Peitzmann, V. Petracek, F. Plasil, M. L. Purschke, B. Raeven, J. Rak, R. Raniwala, S. Raniwala, V. S. Ramamurthy, N. K. Rao, F. Retiere, K. Reygers, G. Roland, L. Rosselet, I. Roufanov, J. M. Rubio, S. S. Sambyal, R. Santo, S. Sato, H. Schlagheck, H. R. Schmidt, G. Shabratova, I. Sibiriak, T. Siemiarczuk, B. C. Sinha, N. Slavine, K. Söderström, N. Solomey, G. Sood, S. P. Sørensen, P. Stankus, G. Stefanek, P. Steinberg, E. Stenlund, D. Stüken, M. Sumbera, T. Svensson, M. D. Trivedi, A. Tsvetkov, C. Twenhöfel, L. Tykarski, J. Urbahn, N. V. Eijndhoven, W. H V Heeringen, G. J V Nieusvenhuizen, A. Vinogradov, Y. P. Viyogi, A. Vodopianov, S. Vörös, M. A. Vos, B. Wyslouch, K. Yagi, Y. Yokota, G. R. Young

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

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 Npart1.07±0.05 and photons as Npart1.12±0.03 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.

Original languageEnglish (US)
Pages (from-to)285-300
Number of pages16
JournalPramana - Journal of Physics
Volume57
Issue number2-3
DOIs
StatePublished - 2001
EventInternational Symposium on Nuclear Physics - Mumbai, India
Duration: Dec 18 2000Dec 22 2000

Keywords

  • Disoriented chiral condensates
  • Fluctuations
  • Quark-gluon plasma

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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