What is the physics behind the 3He-4He anomaly?
W. Neubert1 - A.S. Botvina2,3
1 Institut für Kern- und Hadronenphysik, Forschungszentrum Rossendorf, 01314 Dresden,
2 Istituto Nazionale di Fisica Nucleare, 40126 Bologna, Italy
3 Institute for Nuclear Research, Russian Academy of Science, 117312 Moscow, Russia
Received: 24 September 1999 / Revised version: 22 November 1999 Communicated by B. Povh
We show that coalescence of nucleons emitted prior to thermalization in highly excited nuclei can explain the anomaly of kinetic energies of helium clusters. A new coalescence algorithm has been included in the statistical approach to nuclear reactions formerly used to describe intermediate mass fragment production.
25.70.-z Low and intermediate energy heavy-ion reactions - 25.70.Pq Multifragment emission and correlations
Copyright Società Italiana di Fisica, Springer-Verlag 2000