Angular correlations near the Fermi energy

Journal Article · Fri Jul 01 00:00:00 EDT 1988 · Phys. Rev. C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.38.146· OSTI ID:7057826

Fox, D; Cebra, D A; Karn, J; Parks, C; Pradhan, A; Vander Molen, A; van der Plicht, J; Westfall, G D; Wilson, W K; Tickle, R S; others, and

Angular correlations between light particles have been studied to probe the extent to which a thermally equilibrated system is formed in heavy ion collisions near the Fermi energy. Single-light-particle inclusive energy spectra and two-particle large-angle correlations were measured for 40 and 50 MeV/nucleon C+C, Ag, and Au. The single-particle inclusive energy spectra are well fit by a three moving source parametrization. Two-particle large-angle correlations are shown to be consistent with emission from a thermally equilibrated source when the effects of momentum conservation are considered. Single-particle inclusive spectra and light-particle correlations at small relative momentum were measured for 35 MeV/nucleon N+Ag. Source radii were extracted from the two-particle correlation functions and were found to be consistent with previous measurements using two-particle correlations and the coalescence model. The temperature of the emitting source was extracted from the relative populations of states using the quantum statistical model and was found to be 4.8/sub -2.4//sup +2.8/ MeV, compared to the 14 MeV temperature extracted from the slopes of the kinetic energy spectra.

• Research Organization: National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824
• OSTI ID: 7057826
• Journal Information: Phys. Rev. C; (United States), Vol. 38:1
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CARBON
CARBON 12 REACTIONS
INCLUSIVE INTERACTIONS
GOLD 197 TARGET
NITROGEN 14 REACTIONS
SILVER
ANGULAR CORRELATION
BOLTZMANN EQUATION
ENERGY SPECTRA
FERMI LEVEL
MEV RANGE 100-1000
NUCLEAR REACTION KINETICS
PARAMETRIC ANALYSIS
RELATIVISTIC RANGE
STATISTICAL MODELS
CHARGED-PARTICLE REACTIONS
CORRELATIONS
DIFFERENTIAL EQUATIONS
ELEMENTS
ENERGY LEVELS
ENERGY RANGE
EQUATIONS
HEAVY ION REACTIONS
INTERACTIONS
KINETICS
MATHEMATICAL MODELS
METALS
MEV RANGE
NONMETALS
NUCLEAR REACTIONS
PARTIAL DIFFERENTIAL EQUATIONS
PARTICLE INTERACTIONS
REACTION KINETICS
SPECTRA
TARGETS
TRANSITION ELEMENTS
651320* - Nuclear Properties & Reactions
A=6-19
Experimental
651720 - Nuclear Properties & Reactions
A=90-149
Experimental
651920 - Nuclear Properties & Reactions
A=190-219
Experimental