One-, two-, and three-particle distributions from [Formula Presented] central Pb+Pb collisions

M. M. Aggarwal, A. L.S. Angelis, V. Antonenko, V. Arefiev, V. Astakhov, V. Avdeitchikov, T. C. Awes, P. V.K.S. Baba, S. K. Badyal, S. Bathe, B. Batiounia, T. Bernier, K. B. Bhalla, V. S. Bhatia, C. Blume, D. Bucher, H. Büsching, L. Carlén, S. Chattopadhyay, M. P. DecowskiH. Delagrange, P. Donni, M. R. Dutta Majumdar, K. Chenawi, K. Enosawa, S. Fokin, V. Frolov, M. S. Ganti, S. Garpman, O. Gavrishchuk, F. J.M. Geurts, T. K. Ghosh, R. Glasow, B. Guskov, H. Gustafsson, H. H. Gutbrod, I. Hrivnacova, M. Ippolitov, H. Kalechofsky, R. Kamermans, K. Karadjev, K. Karpio, B. W. Kolb, I. Kosarev, I. Koutcheryaev, A. Kugler, P. Kulinich, M. Kurata, A. Lebedev, H. Löhner, D. P. Mahapatra, V. Manko, M. Martin, G. Martínez, A. Maximov, Y. Miake, G. C. Mishra, B. Mohanty, M. Mora, D. Morrison, T. Mukhanova, D. S. Mukhopadhyay, H. Naef, B. K. Nandi, S. K. Nayak, T. K. Nayak, A. Nianine, V. Nikitine, S. Nikolaev, P. Nilsson, S. Nishimura, P. Nomokonov, J. Nystrand, A. Oskarsson, I. Otterlund, T. Peitzmann, D. Peressounko, V. Petracek, F. Plasil, M. L. Purschke, J. Rak, R. Raniwala, S. Raniwala, N. K. Rao, K. Reygers, G. Roland, L. Rosselet, I. Roufanov, J. M. Rubio, S. S. Sambyal, R. Santo, S. Sato, H. Schlagheck, H. Schmidt, Y. Schutz, G. Shabratova, T. H. Shah, I. Sibiriak, T. Siemiarczuk, D. Silvermyr, B. C. Sinha, N. Slavine, K. Söderström, G. Sood, S. P. Sørensen, P. Stankus, G. Stefanek, P. Steinberg, E. Stenlund, M. Sumbera, T. Svensson, A. Tsvetkov, L. Tykarski, E. C.V.D. Pijll, N. V. Eijndhoven, G. J.v. Nieuwenhuizen, A. Vinogradov, Y. P. Viyogi, A. Vodopianov, S. Vörös, B. Wysłouch, G. R. Young

Research output: Contribution to journalArticle

Abstract

Several hadronic observables have been studied in central [Formula Presented] Pb+Pb collisions using data measured by the WA98 experiment at CERN: single [Formula Presented] and [Formula Presented] production, as well as two- and three-pion interferometry. The Wiedemann-Heinz hydrodynamical model has been fitted to the pion spectrum, giving an estimate of the temperature and transverse flow velocity. Bose-Einstein correlations between two identified [Formula Presented] have been analyzed as a function of [Formula Presented] using two different parametrizations. The results indicate that the source does not have a strictly boost invariant expansion or spend time in a long-lived intermediate phase. A comparison between data and a hydrodynamical based simulation shows very good agreement for the radii parameters as a function of [Formula Presented] The pion phase-space density at freeze-out has been measured, and agrees well with the Tomás̆ik-Heinz model. A large pion chemical potential close to the condensation limit of [Formula Presented] seems to be excluded. The three-pion Bose-Einstein interferometry shows a substantial contribution of the genuine three-pion correlation, but not quite as large as expected for a fully chaotic and symmetric source.

Original languageEnglish (US)
JournalPhysical Review C - Nuclear Physics
Volume67
Issue number1
DOIs
StatePublished - Jan 1 2003

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Aggarwal, M. M., Angelis, A. L. S., Antonenko, V., Arefiev, V., Astakhov, V., Avdeitchikov, V., Awes, T. C., Baba, P. V. K. S., Badyal, S. K., Bathe, S., Batiounia, B., Bernier, T., Bhalla, K. B., Bhatia, V. S., Blume, C., Bucher, D., Büsching, H., Carlén, L., Chattopadhyay, S., ... Young, G. R. (2003). One-, two-, and three-particle distributions from [Formula Presented] central Pb+Pb collisions. Physical Review C - Nuclear Physics, 67(1). https://doi.org/10.1103/PhysRevC.67.014906