Tranverse energy and charged particle multiplicity in p-nucleus collisions at 14.6 GeV/c

J. Barrette, R. Bellwied, P. Braun-Munzinger, W. E. Cleland, T. Cormier, G. David, J. Dee, G. E. Diebold, O. Dietzsch, J. V. Germani, S. Gilbert, S. V. Greene, J. R. Hall, T. K. Hemmick, N. Herrmann, Byungsik Hong, K. Jayananda, D. Kraus, B. S. Kumar, R. LacasseD. Lissauer, W. J. Llope, T. Ludlam, R. Majka, S. K. Mark, J. T. Mitchell, M. Muthuswamy, E. O'Brien, C. Pruneau, M. Rosati, F. S. Rotondo, N. C. Da Silva, U. Sonnadara, J. Stachel, H. Takai, E. M. Takagui, G. Wang, C. L. Woody, N. Xu, Y. Zhang, Z. Zhang, C. Zou

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We present the transverse energy distributions, dσ/dET and dET/dη, and the charged particle multiplicity distributions, dσ/dNc and dNc/dη, produced in p+Al and p+Pb collisions at 14.6 GeV/c. The data exhibit a weak correlation between these global variables. While a significant increase of the mean multiplicity with the mass of the target is observed, the transverse energy distributions show little target dependence. The dET/dη distribution shifts backward as the mass of the target increases, indicating the presence of rescattering. The data are compared to the predictions of the relativistic quantum molecular dynamic model (RQMD) and Fritiof event generators. RQMD reproduces well the main features of the data while Fritiof predicts too forward peaked transverse energy and particle multiplicity pseudorapidity distributions.

Original languageEnglish
Pages (from-to)2028-2036
Number of pages9
JournalPhysical Review C
Volume52
Issue number4
DOIs
Publication statusPublished - 1995 Dec 1
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy(all)

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  • Cite this

    Barrette, J., Bellwied, R., Braun-Munzinger, P., Cleland, W. E., Cormier, T., David, G., Dee, J., Diebold, G. E., Dietzsch, O., Germani, J. V., Gilbert, S., Greene, S. V., Hall, J. R., Hemmick, T. K., Herrmann, N., Hong, B., Jayananda, K., Kraus, D., Kumar, B. S., ... Zou, C. (1995). Tranverse energy and charged particle multiplicity in p-nucleus collisions at 14.6 GeV/c. Physical Review C, 52(4), 2028-2036. https://doi.org/10.1103/PhysRevC.52.2028