Ablation effects in oxygen-lead fragmentation at 2. 1 GeV/nucleon
The mechanism of particle evaporation was used to examine ablation effects in the fragmentation of 2.1 GeV/nucleon oxygen nuclei by lead targets. Following the initial abrasion process, the excited projectile prefragment is assumed to statistically decay in a manner analogous to that of a compound nucleus. The decay probabilities for the various particle emission channels are calculated by using the EVAP-4 Monte Carlo computer program. The input excitation energy spectrum for the prefragment is estimated from the geometric clean cut'' abrasion-ablation model. Isotope production cross sections are calculated and compared with experimental data and with the predictions from the standard geometric abrasion-ablation fragmentation model.
- Research Organization:
- National Aeronautics and Space Administration, Hampton, VA (USA). Langley Research Center
- OSTI ID:
- 6529434
- Report Number(s):
- N-84-16977; NASA-TM-85704; L-15716
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
A=6-19
Theoretical-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ABLATION
BARYON REACTIONS
CHARGED PARTICLES
ENERGY RANGE
ENERGY SPECTRA
FRAGMENTATION
FUNCTIONS
GEV RANGE
GEV RANGE 01-10
HADRON REACTIONS
HEAVY IONS
HYPERGEOMETRIC FUNCTIONS
IONS
ISOTOPES
MONTE CARLO METHOD
NUCLEAR REACTIONS
NUCLEON REACTIONS
OXYGEN ISOTOPES
SPECTRA
TARGETS