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# Vaporization and Multifragmentation in 1.2 GeV Antiproton induced Reactions

Abstract : With energetic antiproton-light-nucleus interactions it is possible to reach excitation energies exceeding nuclear binding energy. For 1.2 GeV $\bar P$ +Cu we observe the onset of vaporization at about 8 MeV/nueleon, but even at 15 MeV/nucleon the probability of vaporization is smaller than 15%. The threshold excitation energy for multifragmentation processes defined as the detection of at least 3 intermediate mass fragments is observed at about 4 MeV/nucleon for 1.2 GeV $\bar P$ + Cu and Ag. The probability of multifragmentation is small and even at excitation energy above the total binding energy not larger than 5% and 20% of the corresponding inclusive cross sections.
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http://hal.in2p3.fr/in2p3-00025656
Contributor : Michel Lion <>
Submitted on : Tuesday, February 21, 2006 - 9:15:33 AM
Last modification on : Thursday, February 1, 2018 - 1:33:20 AM

### Citation

F. Goldenbaum, L. Pienkowski, W. Bohne, T. V. Egidy, P. Figuera, et al.. Vaporization and Multifragmentation in 1.2 GeV Antiproton induced Reactions. 8th International Conference on Low Energy Antiproton Physics (LEAP'05), May 2005, Bonn, Germany. pp.225-230, ⟨10.1063/1.2130170⟩. ⟨in2p3-00025656⟩

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