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Suppression of high-p(T) neutral pion production in central Pb+Pb collisions at root s(NN)=17.3 GeV relative to p+C and p+Pb collisions

Aggarwal, M. M.; Ahammed, Z.; Angelis, A. L. S.; Antonenko, V.; Arefiev, V.; Astakhov, V.; Avdeitchikov, V.; Awes, T. C.; Baba, P. V. K. S. and Badyal, S. K., et al. (2008) In Physical Review Letters 100(24).
Abstract
Neutral pion transverse momentum spectra were measured in p+C and p+Pb collisions at root s(NN) = 17.4 GeV at midrapidity (2.3 less than or similar to eta(lab)less than or similar to 3.0) over the range 0.7 less than or similar to p(T)less than or similar to 3.5 GeV/c. The spectra are compared to pi(0) spectra measured in Pb+Pb collisions at root s(NN) = 17.3 GeV in the same experiment. For a wide range of Pb+Pb centralities (N-part less than or similar to 300), the yield of pi(0)'s with p(T)greater than or similar to 2 GeV/c is larger than or consistent with the p+C or p+Pb yields scaled with the number of nucleon-nucleon collisions (N-coll), while for central Pb+Pb collisions with N-part greater than or similar to 350, the pi(0) yield is... (More)
Neutral pion transverse momentum spectra were measured in p+C and p+Pb collisions at root s(NN) = 17.4 GeV at midrapidity (2.3 less than or similar to eta(lab)less than or similar to 3.0) over the range 0.7 less than or similar to p(T)less than or similar to 3.5 GeV/c. The spectra are compared to pi(0) spectra measured in Pb+Pb collisions at root s(NN) = 17.3 GeV in the same experiment. For a wide range of Pb+Pb centralities (N-part less than or similar to 300), the yield of pi(0)'s with p(T)greater than or similar to 2 GeV/c is larger than or consistent with the p+C or p+Pb yields scaled with the number of nucleon-nucleon collisions (N-coll), while for central Pb+Pb collisions with N-part greater than or similar to 350, the pi(0) yield is suppressed. (Less)
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publication status
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Physical Review Letters
volume
100
issue
24
publisher
American Physical Society
external identifiers
  • wos:000256942400025
  • scopus:45749102497
ISSN
1079-7114
DOI
10.1103/PhysRevLett.100.242301
language
English
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yes
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4e8f8acc-887c-452a-b7c8-a8836987b2b8 (old id 1190398)
date added to LUP
2008-09-08 09:51:51
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@article{4e8f8acc-887c-452a-b7c8-a8836987b2b8,
  abstract     = {Neutral pion transverse momentum spectra were measured in p+C and p+Pb collisions at root s(NN) = 17.4 GeV at midrapidity (2.3 less than or similar to eta(lab)less than or similar to 3.0) over the range 0.7 less than or similar to p(T)less than or similar to 3.5 GeV/c. The spectra are compared to pi(0) spectra measured in Pb+Pb collisions at root s(NN) = 17.3 GeV in the same experiment. For a wide range of Pb+Pb centralities (N-part less than or similar to 300), the yield of pi(0)'s with p(T)greater than or similar to 2 GeV/c is larger than or consistent with the p+C or p+Pb yields scaled with the number of nucleon-nucleon collisions (N-coll), while for central Pb+Pb collisions with N-part greater than or similar to 350, the pi(0) yield is suppressed.},
  articleno    = {242301},
  author       = {Aggarwal, M. M. and Ahammed, Z. and Angelis, A. L. S. and Antonenko, V. and Arefiev, V. and Astakhov, V. and Avdeitchikov, V. and Awes, T. C. and Baba, P. V. K. S. and Badyal, S. K. and Bathe, S. and Batiounia, B. and Baumann, C. and Bernier, T. and Bhalla, K. B. and Bhatia, V. S. and Blume, C. and Bucher, D. and Buesching, H. and Carlén, Lars and Chattopadhyay, S. and Decowski, M. P. and Delagrange, H. and Donni, P. and Majumdar, M. R. Dutta and El Chenawi, K. and Dubey, A. K. and Enosawa, K. and Fokin, S. and Frolov, V. and Ganti, M. S. and Garpman, Sten and Gavrishchuk, O. and Geurts, F. J. M. and Ghosh, T. K. and Glasow, R. and Guskov, B. and Gustafsson, Hans-Åke and Gutbrod, H. H. and Hrivnacova, I. and Ippolitov, M. and Kalechofsky, H. and Kamermans, R. and Karadjev, K. and Karpio, K. and Kolb, B. W. and Kosarev, I. and Koutcheryaev, I. and Kugler, A. and Kulinich, P. and Kurata, M. and Lebedev, A. and Loehner, H. and Luquin, L. and Mahapatra, D. P. and Manko, V. and Martin, M. and Martinez, G. and Maximov, A. and Miake, Y. and Mishra, G. C. and Mohanty, B. and Mora, M. -J. and Morrison, D. and Mukhanova, T. and Mukhopadhyay, D. S. and Naef, H. and Nandi, B. K. and Nayak, S. K. and Nayak, T. K. and Nianine, A. and Nikitine, V. and Nikolaev, S. and Nilsson, Pål and Nishimura, S. and Nomokonov, P. and Nystrand, Joakim and Oskarsson, Anders and Otterlund, Ingvar and Pavliouk, S. and Peitzmann, T. and Peressounko, D. and Petracek, V. and Phatak, S. C. and Pinganaud, W. and Plasil, F. and Purschke, M. L. and Rak, J. and Rammler, M. and Raniwala, R. and Raniwala, S. and Rao, N. K. and Retiere, F. and Reygers, K. and Roland, G. and Rosselet, L. and Roufanov, I. and Roy, C. and Rubio, J. M. and Sambyal, S. S. and Santo, R. and Sato, S. and Schlagheck, H. and Schmidt, H. -R. and Schutz, Y. and Shabratova, G. and Shah, T. H. and Sibiriak, I. and Siemiarczuk, T. and Silvermyr, David and Sinha, B. C. and Slavine, N. and Söderström, Kaj and Sood, G. and Sorensen, S. P. and Stankus, P. and Stefanek, G. and Steinberg, P. and Stenlund, Evert and Sumbera, M. and Svensson, Tomas and Tsvetkov, A. and Tykarski, L. and Von der Pijll, E. C. and Eijndhoven, N. V. and Nieuwenhuizen, G. J. V. and Vinogradov, A. and Viyogi, Y. P. and Vodopianov, A. and Voeroes, S. and Wyslouch, B. and Young, G. R.},
  issn         = {1079-7114},
  language     = {eng},
  number       = {24},
  publisher    = {American Physical Society},
  series       = {Physical Review Letters},
  title        = {Suppression of high-p(T) neutral pion production in central Pb+Pb collisions at root s(NN)=17.3 GeV relative to p+C and p+Pb collisions},
  url          = {http://dx.doi.org/10.1103/PhysRevLett.100.242301},
  volume       = {100},
  year         = {2008},
}