Independence of fragment charge distributions of the size of heavy multifragmenting sources

Abstract : Charged product multiplicities and Z distributions were measured for single multifragmenting sources produced in collisions between Full-size image (<1 K) and Full-size image (<1 K) at the same available energy per nucleon. Z distributions are found identical for both reactions while fragment multiplicities scale as the charge of the total systems. A complete dynamical simulation, in which multifragmentation originates in the spinodal decomposition of a finite piece of nuclear matter resulting from an incomplete fusion of projectile and target, well accounts for this experimental observation.
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Submitted on : Monday, November 9, 1998 - 9:53:45 AM
Last modification on : Tuesday, May 14, 2019 - 5:40:03 PM
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M F. Rivet, C O. Bacri, B. Borderie, J.D. Frankland, M. Assenard, et al.. Independence of fragment charge distributions of the size of heavy multifragmenting sources. Physics Letters B, Elsevier, 1998, 430, pp.217-222. ⟨10.1016/S0370-2693(98)00525-5⟩. ⟨in2p3-00000038⟩

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