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APS » Journals » Phys. Rev. Lett. » Volume 69 » Issue 10
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Phys. Rev. Lett. 69, 1504–1507 (1992)

Measurement of the impact parameter in intermediate energy heavy ion collisions

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S. Riess, G. Enders, A. Hofmann, W. Kühn, V. Metag, and R. Novotny
II. Physikalisches Institut, Universität Giessen, Giessen, Germany

W. Mittig, Y. Schutz, and A. C. C. Villari
GANIL, Caen, France

H. Emling, H. Grein, E. Grosse, W. Henning, R. Holzmann, R. Kulessa, T. Matulewicz, and H. J. Wollersheim
Gesellschaft für Schwerionenforschung, GSI Darmstadt, Germany

Received 26 December 1991; published in the issue dated 7 September 1992

Based on the systematics for hard photon production a scheme is suggested which relates the hard-photon multiplicity observed in intermediate energy heavy ion reactions to the impact parameter. The method is applied to data obtained in an exclusive experiment of the reaction 40Ar+158Gd at 44 MeV/nucleon, demonstrating the usefulness of this new approach.

© 1992 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.69.1504
DOI:
10.1103/PhysRevLett.69.1504
PACS:
25.70.-z
 
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