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Low p T phenomena in A+A and p+A collisions at mid-rapidity |
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| Authors: | H. Bøggild J. Boissevain M. Cherney J. Dodd S. Esumi C. W. Fabjan D. E. Fields A. Franz E. B. Holzer T. Humanic B. V. Jacak R. Jayanti H. Kalechofsky R. Kvatadze Y. Y. Lee M. Leltchouk B. Lorstad N. Maeda A. Medvedev A. Miyabayashi M. Murray S. Nishimura E. Noteboom S. U. Pandey F. Piuz V. Polychronakos M. Potekhin G. Poulard A. Sakaguchi M. Sarabura J. Schmidt-Sorenson J. Simon-Gillo W. Sondheim M. Spegel T. Sugitate J. P. Sullivan Y. Sumi H. van Hecke W. J. Willis K. Wolf N. Xu |
| Affiliation: | 1. Niels Bohr Institute, DK-2100, Copenhagen, Denmark 2. Los Alamos National Laboratory, Los Alamos, NM, 87545, USA 3. Creighton University, Omaha, NE, USA 4. Columbia University, New York, NY, 10027, USA 5. Hiroshima University, Higashi-Hiroshima, 724, Japan 6. CERN, CH-1211, Geneva 23, Switzerland 7. University of Pittsburgh, Pittsburgh, PA, 15260, USA 8. University of Lund, S-22362, Lund, Sweden 9. Texas A&M University, College Station, TX, 77843, USA 10. Brookhaven National Laboratory, Upton, NY, 11973, USA |
| Abstract: | CERN experiment NA44 measures pion and kaon distributions at p T = 0–320 MeV/c at midrapidity in p+A and A+A collisions at 450 and 200A GeV/c, respectively. Pion production from p+Pb and A+A is slightly enhanced at low p T relative to p+Be, but less than observed at target rapidity. The low p T behavior can be understood in the context of the RQMD model as arising from baryonic resonance decays. |
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