Properties of high-energy pions emitted from heavy-ion collisions at 1 GeV/nucleon

C. Müntz, P. Baltes, H. Oeschler, A. Sartorius, A. Wagner, W. Ahner, R. Barth, M. Cieślak, M. Debowski, E. Grosse, W. Henning, P. Koczoń, D. Miśkowiec, R. Schicker, P. Senger, C. Bormann, D. Brill, Y. Shin, J. Stein, R. StockH. Ströbele, B. Kohlmeyer, H. Pöppl, F. Pühlhofer, J. Speer, K. Völkel, W. Waluś

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

Positively charged pions and protons from collisions of Ne+NaF and Au+Au at 1 GeV/nucleon incident energy were measured near midrapidity. The center-of-mass pion spectra deviate from a Maxwell-Boltzmann distribution. The slope of the high-energy part of the pion spectra varies significantly with the system mass and little with the size of the reaction zone. While the total pion yield rises linearly with the number of participant nucleons, the highenergy component increases more than linearly.

Original languageEnglish
Pages (from-to)175-179
Number of pages5
JournalZeitschrift für Physik A Hadrons and Nuclei
Volume352
Issue number2
DOIs
StatePublished - Jun 1995
Externally publishedYes

Keywords

  • 25.75.+r

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