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 sup * , for all events, largely irrespective of their mass partitions, the probabilities of the different channels at play could be estimated as...

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Detalles Bibliográficos
Autores principales: 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.
Lenguaje:eng
Publicado: 1999
Materias:
Nuclear Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1016/S0375-9474(00)88550-4
http://cds.cern.ch/record/776288
Descripción
Sumario: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 sup * , 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 sup *. The data show the prevalence of fission and evaporation up to E sup * = 4 MeV/nucleon, with no hint of a transition towards multifragmentation.

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