Local particle densities and global multiplicities in central heavy ion interactions at 3.7, 14.6, 60 and 200 A GeV

M. I. Adamovich, M. M. Aggarwal, Y. A. Alexandrov, N. P. Andreeva, Z. V. Anson, R. Arora, F. A. Avetyan, S. K. Badyal, E. Basova, K. B. Bhalla, A. Bhasin, V. S. Bhatia, V. G. Bogdanov, V. I. Bubnov, T. H. Burnett, X. Cai, I. Y. Chasnikov, L. P. Chernova, M. M. Chernyavsky, G. Z. EligbaevaL. E. Eremenko, A. S. Gaitinov, E. R. Ganssauge, S. Garpman, S. G. Gerassimov, J. Grote, K. G. Gulamov, S. K. Gupta, V. K. Gupta, H. H. Heckman, H. Huang, B. Jakobsson, B. Judek, L. Just, S. Kachroo, G. S. Kalyachkina, E. K. Kanygina, M. Karabova, G. L. Kaul, S. Kitroo, S. P. Kharlamov, S. A. Krasnov, S. Kulikova, V. Kumar, P. Lal, V. G. Larionova, V. N. Lepetan, L. S. Liu, S. Lokanathan, J. Lord, N. S. Lukicheva, S. B. Luo, T. N. Maksimkina, L. K. Mangotra, N. A. Marutyan, N. V. Maslennikova, I. S. Mittra, S. Mookerjee, H. Nasrulaeva, S. H. Nasyrov, V. S. Navotny, J. Nystrand, G. I. Orlova, I. Otterlund, H. S. Palsania, N. G. Peresadko, N. V. Petrov, V. A. Plyushchev, D. A. Qarshiev, W. Y. Qian, Y. M. Qin, R. Raniwala, S. Raniwala, N. K. Rao, V. M. Rappoport, J. T. Rhee, N. Saidkhanov, N. A. Salmanova, L. G. Sarkisova, V. R. Sarkisyan, G. S. Shabratova, T. I. Shakhova, S. N. Shpilev, D. Skelding, K. Söderström, Z. I. Solovjeva, E. Stenlund, E. L. Surin, L. N. Svechnikova, K. D. Tolstov, M. Tothova, M. I. Tretyakova, T. P. Trofimova, U. Tuleeva, S. Vokal, H. Q. Wang, Z. Q. Weng, R. J. Wilkes, Y. L. Xia, G. F. Xu, D. H. Zhang, P. Y. Zheng, S. I. Zhochova, D. C. Zhou

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Abstract

The energy and centrality dependence of local particle pseudorapidity densities as well as validity of various parametrizations of the distributions are examined. The dispersion, σ, of the rapidity density distribution of produced particles varies slowly with centrality and is 0.80, 0.98, 1.21 and 1.41 for central interactions at 3.7, 14.6, 60 and 200 A GeV incident energy, respectively, σ is found to be independent of the size of the interacting system at fixed energy. A novel way of representing the window dependence of the multiplicity as normalized variance versus inverse average multiplicity is outlined.

Original languageEnglish (US)
Pages (from-to)509-520
Number of pages12
JournalZeitschrift für Physik C Particles and Fields
Volume56
Issue number4
DOIs
StatePublished - Dec 1992

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