Universality in fragment inclusive yields from Au + Au collisions

A. Insolia, C. Tuvè, S. Albergo, F. Bieser, F. P. Brady, Z. Caccia, D. Cebra, A. D. Chacon, J. L. Chance, Y. Choi, S. Costa, J. B. Elliott, M. Gilkes, J. A. Hauger, A. S. Hirsch, E. L. Hjort, M. Justice, D. Keane, J. Kintner, M. LisaH. S. Matis, M. McMahan, C. McParland, D. L. Olson, M. D. Partlan, N. T. Porile, R. Potenza, G. Rai, J. O. Rasmussen, H. G. Ritter, J. Romanski, J. L. Romero, G. V. Russo, R. Scharenberg, A. Scott, Y. Shao, B. K. Srivastava, T. J M Symons, M. L. Tincknell, S. Wang, P. G. Warren, H. H. Wieman, T. Wienold, K. L. Wolf

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4 Scopus citations

Abstract

The inclusive light fragment (Z≤7) yield data in Au + Au reactions, measured by the EOS Collaboration at the LBNL Bevalac, are presented as a function of multiplicity. Moving from central to peripheral collisions the measured charge distributions develop progressively according to a power law which can be fitted, within errors, by a single τ exponent independently of the bombarding energy except for the data at 250A MeV. In addition, the location of the maximum in the individual yields of different charged fragments, for a given beam energy, shifts towards lower multiplicity as the fragment charge increases from Z = 3 to Z = 7. This trend is common to all six measured beam energies. Moments of charge distribution are also reported. The universal features observed in the present Au + Au data are consistent with previous experimental findings in the Au + C multifragmentation reaction at 1A GeV.

Original languageEnglish (US)
Article number044902
Pages (from-to)449021-449026
Number of pages6
JournalPhysical Review C - Nuclear Physics
Volume61
Issue number4
DOIs
StatePublished - Mar 10 2000

ASJC Scopus subject areas

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

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    Insolia, A., Tuvè, C., Albergo, S., Bieser, F., Brady, F. P., Caccia, Z., Cebra, D., Chacon, A. D., Chance, J. L., Choi, Y., Costa, S., Elliott, J. B., Gilkes, M., Hauger, J. A., Hirsch, A. S., Hjort, E. L., Justice, M., Keane, D., Kintner, J., ... Wolf, K. L. (2000). Universality in fragment inclusive yields from Au + Au collisions. Physical Review C - Nuclear Physics, 61(4), 449021-449026. [044902]. https://doi.org/10.1103/PhysRevC.61.044902