Intermediate mass fragment emission in the 161-MeV p+Ag reaction.
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Spectra, angular distributions, and cross sections have been measured for Z=3 12 fragments produced in the reaction of 161-MeV protons with a silver target. Nonequilibrium mechanisms dominate the fragment yields at forward angles and for low-Z ejectiles. Equilibrated emission is primarily responsible for fragments observed at backward angles, an effect which grows in importance with increasing fragment Z value. A power-law fit to the elemental cross section distributions yields an exponent =4.7, significantly larger than observed for higher-energy protons. These data are compared with the predictions of statistical decay, accreting source, and preequilibrium calculations. 1990 The American Physical Society.
author list (cited authors)
Yennello, S. J., Kwiatkowski, K., Rose, S., Woo, L. W., Zhou, S. H., & Viola, V. E.
complete list of authors
Yennello, SJ||Kwiatkowski, K||Rose, S||Woo, LW||Zhou, SH||Viola, VE