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Inclusive fragment production in84Kr +197Au atE/A=35 MeV
Authors:U. Milkau  M. L. Begemann-Blaich  E. -M. Eckert  G. Imme  P. Kreutz  A. Kühmichel  M. Lattuada  U. Lynen  C. Mazur  W. F. J. Müller  J. B. Natowitz  C. Ngô  J. Pochodzalla  G. Raciti  M. Ribrag  H. Sann  W. Trautmann  R. Trockel
Affiliation:1. GSI Kernphysik III, Postfach 110552, D-64220, Darmstadt, Germany
2. Universit?t Frankfurt, D-60486, Frankfurt, Germany
3. Dipartimento di Fisica dell'Università and I.N.F.N., I-95129, Catania, Italy
4. CEN Saclay, F-91191, Gif-sur-Yvette, France
5. Texas A&M University, 77843, College Station, TX, USA
Abstract:Inclusive cross sections of intermediate mass fragments from the reaction84Kr+197Au atE/A=35 MeV were measured over the range 8°≦Θ lab≦70° with a low detection threshold. A moving-source parameterization was used to fit the double-differential cross sections. The integrated cross section for fragment production exceeds the total reaction cross section thus indicating a large probability for multi-fragment processes. The deduced large temperature parameters can be explained by assuming emission from a rotating source. From the comparison to reactions with12C and40Ar projectiles at E/A=30 MeV a systematics of inclusive fragment production as a function of the projectile mass is obtained.
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