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APS » Journals » Phys. Rev. C » Volume 65 » Issue 6
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Phys. Rev. C 65, 061602(R) (2002) [5 pages]

Fragment isospin as a probe of heavy-ion collisions

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H. Xu, R. Alfaro, B. Davin, L. Beaulieu*, Y. Larochelle*, T. Lefort†, R. Yanez‡, S. Hudan, and R. T. de Souza
Department of Chemistry and Indiana University Cyclotron Facility, Indiana University, Bloomington, Indiana 47405

T. X. Liu, X. D. Liu, W. G. Lynch, R. Shomin, W. P. Tan, M. B. Tsang, A. Vander Molen, A. Wagner§, H. F. Xi, and C. K. Gelbke
National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824

R. J. Charity and L. G. Sobotka
Department of Chemistry, Washington University, St. Louis, Missouri 63130

A. S. Botvina
Gesellschaft für Schwerionenforschung, D-64291 Darmstadt, Germany
Institute for Nuclear Research, Russian Academy of Science, RU-117312 Moscow, Russia

Received 21 June 2001; published 28 May 2002

Isotope ratios of fragments produced at midrapidity in peripheral and central collisions of 114Cd ions with 98Mo target nuclei at E/A=50 MeV are compared. The influence of the size (A), density, N/Z, E*/A, and Eflow/A of the emitting source on the measured isotope ratios was explored by comparison with a statistical model (SMM). The midrapidity region associated with peripheral collisions does not appear to be neutron-enriched relative to central collisions.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.65.061602
DOI:
10.1103/PhysRevC.65.061602
PACS:
25.70.Mn

*Present address: Universite Laval, Quebec, Canada.

†Present address: Universite de Caen, Caen, France.

‡Present address: Universidad de Chile, Santiago, Chile.

§Present address: Institute of Nuclear and Hadron Physics, Forschungszentrum, Rossendorf, Germany.

 
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