Breakup time scale studied in the 8 GeV/c pi(-)+Au-197 reaction
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Experimental data from the reaction of an [Formula Presented] beam incident on a [Formula Presented] target have been analyzed in order to investigate the breakup time scale for hot residues. Helium nuclei angular distributions and energy spectra supported by a momentum tensor analysis suggest that at large excitation energy, above [Formula Presented] highly excited heavy fragments are separated promptly after the thermalization. A binary fission-like mechanism fits the experimental data at low excitation energies, but seems unable to reproduce the data at excitation energies above [Formula Presented]. 2002 The American Physical Society.
author list (cited authors)
Pienkowski, L., Kwiatkowski, K., Lefort, T., Hsi, W. C., Beaulieu, L., Viola, V. E., ... Remsberg, L. P.
complete list of authors
Pienkowski, L||Kwiatkowski, K||Lefort, T||Hsi, WC||Beaulieu, L||Viola, VE||Botvina, A||Korteling, RG||Laforest, R||Martin, E||Ramakrishnan, E||Rowland, D||Ruangma, A||Winchester, E||Yennello, SJ||Back, B||Breuer, H||Gushue, S||Remsberg, LP