Two-stage multifragmentation 1A GeV Kr, La, and Au

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

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58 Scopus citations

Abstract

Multifragmentation in fully reconstructed events from 1A GeV Kr and La collisions with C has been studied. Results are compared with similar data for 1A GeV Au+C. The emitted charged particles and fragments are identified with emission from either a prompt first stage or a second stage in which the remnant resulting from the first stage breaks up. The nuclear charge, mass, and excitation energy distributions of the remnant are determined. The total charged multiplicity, as well as those of the first and second stages are obtained. Freeze-out temperatures and thermal excitation energy permit the determination of the caloric curve. The fragment charge distribution as well as the IMF multiplicity distribution and those of individual fragments are obtained. The various results are examined as to the extent of universal behavior when scaled for varying system size. Comparisons are made with intranuclear cascade and statistical multifragmentation model calculations.

Original languageEnglish (US)
Article number024616
Pages (from-to)246161-2461614
Number of pages2215454
JournalPhysical Review C - Nuclear Physics
Volume62
Issue number2
StatePublished - Aug 2000

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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