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Phys. Rev. C 68, 011602(R) (2003) [5 pages]

Excitation and decay of projectilelike fragments formed in dissipative peripheral collisions at intermediate energies

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

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

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

Received 3 April 2003; published 31 July 2003

Projectilelike fragments (PLF, 15<~Z<~46) formed in peripheral and midperipheral collisions of 114Cd projectiles with 92Mo nuclei at E/A=50MeV have been detected at very forward angles, 2.1°<~θlab<~4.2°. Calorimetric analysis of the charged particles observed in coincidence with the PLF reveals that the excitation of the primary PLF is strongly related to its velocity damping. Furthermore, for a given VPLF*, its excitation is not related to its size, ZPLF*. For the largest velocity damping, the excitation energy attained is large, approximately commensurate with a system at the limiting temperature.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.68.011602
DOI:
10.1103/PhysRevC.68.011602
PACS:
25.70.Mn
 
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