Transverse mass distributions of neutral pions from208Pb-induced reactions at 158·A GeV

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. El 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. Å 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. J. 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. R. Schmidt, Y. Schutz, G. Shabratova, T. H. Shah, I. Sibiriak, T. Siemiarczuk, D. Silvermyr, B. C. Sinha, N. Slavine, K. Süderstrüm, 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

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Abstract

Results on transverse mass spectra of neutral pions measured at central rapidity are presented for impact parameter selected 158·A GeV Pb + Pb, and Pb + Nb collisions. The distributions cover the range 0.5GeV/c2 ≤ mT - m0 ≤ 4GeV/c2. The change of the spectral shape and the multiplicity with centrality is studied in detail. In going from p+p to semi-peripheral Pb+Pb collisions there is a nuclear enhancement increasing with transverse mass similar to the well known Cronin effect, while for very central collisions this enhancement appears to be weaker than expected.

Original languageEnglish (US)
Pages (from-to)225-236
Number of pages12
JournalEuropean Physical Journal C
Volume23
Issue number2
DOIs
StatePublished - Mar 1 2002

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ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)

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. (2002). Transverse mass distributions of neutral pions from208Pb-induced reactions at 158·A GeV. European Physical Journal C, 23(2), 225-236. https://doi.org/10.1007/s100520100886