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Title: Time-scale and branching ratios in sequential multifragmentation

Technical Report ·
DOI:https://doi.org/10.2172/10165527· OSTI ID:10165527
; ; ; ;  [1]
  1. Lawrence Berkeley Lab., CA (United States). Nuclear Science Div.

Experimental intermediate-mass-fragment multiplicity distributions are shown to be binomial at all excitation energies. From these distributions a single binary event probability can be extracted that has the thermal dependence p= exp[{minus}B/T]. Thus, it is inferred that multi fragmentation is a sequence of thermal binary events. The increase of p with excitation energy implies a corresponding contraction of the time-scale and explains recently observed fragment-fragment and fragment-spectator Coulomb correlations.

Research Organization:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
AC03-76SF00098
OSTI ID:
10165527
Report Number(s):
LBL-35537; ON: DE94015160; TRN: 94:013766
Resource Relation:
Other Information: PBD: Apr 1994
Country of Publication:
United States
Language:
English