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Phys. Rev. C 55, R2132–R2136 (1997)

Fragment distributions for highly charged systems

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C. Williams et al.
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Received 10 January 1997; published in the issue dated May 1997

Charge and transverse energy distributions for intermediate mass fragments have been extracted for central 84Kr+197Au collisions at E/A=35-400 MeV. The slopes of the measured fragment charge distributions decrease monotonically with incident energy, consistent with the expectations for highly charged systems, but not with recent critical exponent analyses. Statistical model calculations, which reproduce the experimental trends, suggest that post-breakup fragment secondary decays alter significantly the observed charge distributions. Radial expansion velocities extracted from these calculations follow the systematics of Au+Au collisions.

© 1997 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.55.R2132
DOI:
10.1103/PhysRevC.55.R2132
PACS:
25.70.Pq, 24.60.Ky

See Also

Comment: J. B. Elliott, M. L. Gilkes, A. S. Hirsch, E. L. Hjort, N. T. Porile, R. P. Scharenberg, B. K. Srivastava, and M. Tincknell, Comment on “Fragment distributions for highly charged systems”, Phys. Rev. C 59, 550 (1999).

Reply: C. Williams et al., Reply to “Comment on ‘Fragment distributions for highly charged systems’ ”, Phys. Rev. C 59, 552 (1999).

Reply: D. V. Fedorov, A. Cobis, and A. S. Jensen, Comment on “New modes of halo excitations in the 6He nucleus”, Phys. Rev. C 59, 554 (1999).

Reply: B. V. Danilin, T. Rogde, S. N. Ershov, H. Heiberg-Andersen, J. S. Vaagen, I. J. Thompson, and M. V. Zhukov, Reply to “Comment on ‘New modes of halo excitation in the 6He nucleus’ ”, Phys. Rev. C 59, 556 (1999).