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Phys. Rev. C 59, 1567 - 1573 (1999)

Influence of secondary decay on isotope-ratio temperature measurements

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H. Xi, W. G. Lynch, and M. B. Tsang
National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824

W. A. Friedman
Department of Physics, University of Wisconsin, Madison, Wisconsin 53706

D. Durand
Laboratoire de Physique Corpusculaire, Caen, F-14050 Caen Cedex, France

Received 23 July 1998

Influence of sequential decay on nuclear temperature measurements is studied. Particular attention is paid to the contribution of higher-energy resonances and to the role of the primary charge distribution. Results of calculations show that temperatures extracted from the measured double isotope ratios are strongly affected at temperatures beyond 6 MeV. The fluctuations between different isotope thermometers observed in the experiment seem mainly due to structure effects in the secondary decay process.


©1999 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevC.59.1567
DOI: 10.1103/PhysRevC.59.1567
PACS: 24.10.Pa, 21.65.+f, 25.70.Pq

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