• Rapid Communication

Testing binomial reducibility and thermal scaling in hadron-induced multifragmentation

L. Beaulieu, T. Lefort, K. Kwiatkowski, W.-c. Hsi, L. Pienkowski, R. G. Korteling, R. Laforest, E. Martin, E. Ramakrishnan, D. Rowland, A. Ruangma, V. E. Viola, E. Winchester, and S. J. Yennello
Phys. Rev. C 63, 031302(R) – Published 31 January 2001
PDFExport Citation

Abstract

A binomial reducibility and thermal scaling analysis is performed on well-chacracterized thermal-like sources formed in 8GeV/cπ+197Au reactions. The fragment probability distributions are shown to be binomial when plotted as a function of the measured excitation energy E* and the binomial elementary probability p is shown to follow the expected Boltzmann factor: ln(p)exp(B/E*/A). Binomial reducibility and thermal scaling are explored also using global variables other than E*, and the effect of source size on the binomial parameter p and m is shown. Finally, the extracted probability p is found to be correlated with the experimentally deduced fragment emission time up to about 6AMeV of excitation energy, hinting at a possible transition in decay mechanism above that excitation energy.

  • Received 20 October 2000

DOI:https://doi.org/10.1103/PhysRevC.63.031302

©2001 American Physical Society

Authors & Affiliations

L. Beaulieu1,2, T. Lefort1, K. Kwiatkowski1,*, W.-c. Hsi1,†, L. Pienkowski3, R. G. Korteling4, R. Laforest5,‡, E. Martin5, E. Ramakrishnan5, D. Rowland5, A. Ruangma5, V. E. Viola1, E. Winchester5, and S. J. Yennello5

  • 1Department of Chemistry and IUCF, Indiana University, Bloomington, Indiana 47405
  • 2Département de Physique, Université Laval, Québec, Canada G1K 7P4
  • 3Heavy Ion Laboratory, Warsaw University, Warsaw, Poland
  • 4Department of Chemistry, Simon Fraser University, Burnaby, British Columbia, Canada V5A IS6
  • 5Department of Chemistry & Cyclotron Laboratory, Texas A&M University, College Station, Texas 77843

  • *Present address: Los Alamos National Laboratory, Los Alamos, NM 87545.
  • Present address: 7745 Lake Street, Morton Grove, IL 60053.
  • Present address: Barnes Hospital, Washington University, St. Louis, MO 63130.

References (Subscription Required)

Click to Expand
Issue

Vol. 63, Iss. 3 — March 2001

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review C

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×