Thermal excitation of heavy nuclei with 5-15 GeV/c antiproton, proton and pion beams uri icon

abstract

  • Excitation-energy distributions have been derived from measurements of 5.0-14.6 GeV/c antiproton, proton and pion reactions with 197Au target nuclei, using the ISiS 4 detector array. The maximum probability for producing high excitation-energy events is found for the 8 GeV/c antiproton beam relative to other hadrons, 3He and p beams from LEAR. For protons and pions, the excitation-energy distributions are nearly independent of hadron type and beam momentum above about 8 GeV/c. The excitation energy enhancement for p beams and the saturation effect are qualitatively consistent with intranuclear cascade code predictions. For all systems studied, maximum cluster sizes are observed for residues with E*/A 6 MeV. 1999 Elsevier Science B.V. All rights reserved.

published proceedings

  • PHYSICS LETTERS B

author list (cited authors)

  • Beaulieu, L., Kwiatkowski, K., Hsi, W. C., Lefort, T., Pienkowski, L., Korteling, R. G., ... Yennello, S. J.

citation count

  • 35

complete list of authors

  • Beaulieu, L||Kwiatkowski, K||Hsi, WC||Lefort, T||Pienkowski, L||Korteling, RG||Wang, G||Back, B||Bracken, DS||Breuer, H||Cornell, E||Gimeno-Nogues, F||Ginger, DS||Gushue, S||Huang, MJ||Laforest, R||Lynch, WG||Martin, E||Morley, KB||Remsberg, LP||Rowland, D||Ramakrishnan, E||Ruangma, A||Tsang, MB||Viola, VE||Winchester, E||Xi, H||Yennello, SJ

publication date

  • September 1999