ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
A statistical nuclear fragmentation model is used to calculate the charge distributions and energy spectra of heavy (z(approximately-greater-than)4) fragments produced in 1 GeV per nucleon collisions of cosmic-ray 12C and 16O with the large-scale integration devices materials: 16O, 28Si, 70Ga, 75As, and 197Au. Results for 56Fe+12C at 980 MeV per nucleon are also presented and compared with available data. Calculated charge distributions show a clustering pattern into three z-number groups while kinetic-energy spectra reveal soft shapes over a 100-MeV range. Charge-distribution and energy-spectrum absolute cross sections from 16O-induced fragmentation of 28Si are 1–2 orders of magnitude larger than those from 12C-induced fragmentation.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.349283
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