Formation and decay of nuclei heated with high-energy antiprotons

The decay of nuclei excited via the annihilation of 1.2 GeV antiprotons has been investigated. Thanks to the ability to determine the excitation energy, E*, for all events, largely irrespective of their mass partitions, the probabilities of the different channels at play could be estimated as a func...

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Bibliographic Details
Published in:Nuclear physics. A 1999, Vol.654 (1), p.803c-806c
Main Authors: Lott, B., Bohne, W., Eades, J., Egidy, T.v., Figuera, P., Fuchs, H., Galin, J., Gulda, K., Goldenbaum, F., Hilscher, D., Jahnke, U., Jastrzebski, J., Kurcewicz, W., Morjean, M., Pausch, G., Péghaire, A., Pienkowski, L., Polster, D., Proschitzki, S., Quednau, B., Rossner, H., Schmid, S., Schmid, W., Ziem, P.
Format: Article
Language:English
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Summary:The decay of nuclei excited via the annihilation of 1.2 GeV antiprotons has been investigated. Thanks to the ability to determine the excitation energy, E*, for all events, largely irrespective of their mass partitions, the probabilities of the different channels at play could be estimated as a function of E*. The data show the prevalence of fission and evaporation up to E* = 4 MeV/nucleon, with no hint of a transition towards multifragmentation.
ISSN:0375-9474
DOI:10.1016/S0375-9474(00)88550-4