Intranuclear cascade calculation of high-energy heavy-ion interactions

Journal Article · Sat Dec 01 04:00:00 EST 1979 · Phys. Rev., C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.20.2227· OSTI ID:5856067

Yariv, Y; Fraenkel, Z

We have extended the intranuclear cascade model of Chen et al. to high-energy reactions between two heavy ions. The results of the calculations are compared with experimental results for the inclusive proton and pion cross sections, two-particle correlations, particle multiplicity distributions, and spallation cross section distributions from light (/sup 12/C + /sup 12/C) to heavy (/sup 40/Ar + /sup 238/U) projectile-target systems in the laboratory bombarding energy range E/A = 250--1000 MeV. The comparison shows that the model is fairly successful in reproducing the various aspects of high-energy reactions between heavy ions. The discrepancies between the calculations and the experimental results are probably due to shortcomings of the present calculation, particularly the neglect of interactions between cascade particles, and do not provide strong evidence for cooperative phenomena in high-energy heavy-ion reactions. We also show that the assumption that high particle multiplicities are indicative of central (small impact parameter) collisions is well founded for heavy projectile-target systems.

• Research Organization: Nuclear Physics Department, Weizmann Institute, Rehovot, Israel
• OSTI ID: 5856067
• Journal Information: Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 20:6; ISSN PRVCA
• Country of Publication: United States
• Language: English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ARGON 40 REACTIONS
ARGON 40 TARGET
BARYONS
BOSONS
CARBON 12 REACTIONS
CARBON 12 TARGET
CHARGED-PARTICLE REACTIONS
CORRELATIONS
CROSS SECTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
GEV RANGE
GEV RANGE 01-10
GEV RANGE 10-100
HADRONS
HEAVY ION REACTIONS
INCLUSIVE INTERACTIONS
INTERACTIONS
LEAD 208 TARGET
MESONS
MONTE CARLO METHOD
MULTIPLICITY
NEON 20 REACTIONS
NEON 20 TARGET
NUCLEAR CASCADES
NUCLEAR REACTIONS
NUCLEONS
PARTICLE INTERACTIONS
PAULI PRINCIPLE
PIONS
PROTONS
PSEUDOSCALAR MESONS
SPALLATION
TARGETS
URANIUM 238 TARGET