2019 Impact factor 2.176
Hadrons and Nuclei
Eur. Phys. J. A 7, 101-106

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, Germany
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

Abstract
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.

PACS
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