The role of phase space in complex fragment emission from low to intermediate energies

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Description

The experimental emission probabilities of complex fragments by low energy compound nuclei and their dependence upon energy and Z value are compared to the transition state rates. Intermediate-mass-fragment multiplicity distributions for a variety of reactions at intermediate energies are shown to be binomial and thus reducible at all measured transverse energies. From these distributions a single binary event probability can be extracted which has a thermal dependence. A strong thermal signature is also found in the charge distributions. The n-fold charge distributions are reducible to the 1-fold charge distributions through a simple scaling dictated by fold number and charge conservation.

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18 p.

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Moretto, L.G.; Ghetti, R.; Jing, K.; Phair, L.; Tso, K. & Wozniak, G.J. June 1, 1996.

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Description

The experimental emission probabilities of complex fragments by low energy compound nuclei and their dependence upon energy and Z value are compared to the transition state rates. Intermediate-mass-fragment multiplicity distributions for a variety of reactions at intermediate energies are shown to be binomial and thus reducible at all measured transverse energies. From these distributions a single binary event probability can be extracted which has a thermal dependence. A strong thermal signature is also found in the charge distributions. The n-fold charge distributions are reducible to the 1-fold charge distributions through a simple scaling dictated by fold number and charge conservation.

Physical Description

18 p.

Notes

INIS; OSTI as DE96014945

Source

  • 1. international conference on nuclear dynamics at long and short distances, Angra dos Reis (Brazil), 8-12 Apr 1996

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  • Other: DE96014945
  • Report No.: LBNL--39104
  • Report No.: CONF-9604175--1
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 385555
  • Archival Resource Key: ark:/67531/metadc680756

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  • June 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Aug. 23, 2016, 3:56 p.m.

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Moretto, L.G.; Ghetti, R.; Jing, K.; Phair, L.; Tso, K. & Wozniak, G.J. The role of phase space in complex fragment emission from low to intermediate energies, article, June 1, 1996; California. (digital.library.unt.edu/ark:/67531/metadc680756/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.