Non-equilibrium statistical mechanical approach for describing heavy ion reactions
With the availability of heavy-ion projectiles (A > 4) at low to intermediate energies (4 < E/A < 10), products showing various stages of relaxation for certain macroscopic variables (center-of-mass energy, orbital angular momentum, etc.) were produced in various reactions. The distributions for these macroscopic variables showed a correlation between the stage of relaxation reached and the net amount of mass transfer which had occurred in the reaction. There was also evidence that there was an asymmetry in the number of net transfers necessary for complete relaxation between stripping and pickup reactions. A model for describing the time-evolution of these reactions was formulated, the keystone of which is a master-equation approach for describing the time-dependence of the mass-asymmetry. This, coupled with deterministic equations of motion for the other macroscopic coordinates in the reaction lead to calculated distributions which provide an excellent qualitative description of these reactions, and, in some cases, quantitatively reproduce the experimental data quite well. 61 figures, 2 tables.
- Research Organization:
- California Univ., Berkeley (USA). Lawrence Berkeley Lab.
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 5726918
- Report Number(s):
- LBL-8407
- Country of Publication:
- United States
- Language:
- English
Similar Records
Non-equilibrium statistical mechanical approach for describing heavy ion reactions
Experimental evidence and physical implications of the time evolution along the mass asymmetry mode in heavy ion reactions
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Thesis/Dissertation
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Sun Dec 31 23:00:00 EST 1978
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OSTI ID:6297428
Experimental evidence and physical implications of the time evolution along the mass asymmetry mode in heavy ion reactions
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Wed Sep 01 00:00:00 EDT 1976
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OSTI ID:7231770
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Fri Nov 09 23:00:00 EST 2007
· Journal of Computational Physics
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Related Subjects
653003* -- Nuclear Theory-- Nuclear Reactions & Scattering
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR DISTRIBUTION
ATOMIC NUMBER
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DATA FORMS
DEEP INELASTIC HEAVY ION REACTIONS
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ENERGY SPECTRA
GRAPHS
HEAVY ION REACTIONS
INFORMATION
KINETICS
MASS NUMBER
MASS TRANSFER
MATHEMATICAL MODELS
NUCLEAR MODELS
NUCLEAR REACTION KINETICS
NUCLEAR REACTIONS
NUMERICAL DATA
REACTION KINETICS
RELAXATION
SPECTRA
THEORETICAL DATA
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR DISTRIBUTION
ATOMIC NUMBER
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DATA FORMS
DEEP INELASTIC HEAVY ION REACTIONS
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ENERGY SPECTRA
GRAPHS
HEAVY ION REACTIONS
INFORMATION
KINETICS
MASS NUMBER
MASS TRANSFER
MATHEMATICAL MODELS
NUCLEAR MODELS
NUCLEAR REACTION KINETICS
NUCLEAR REACTIONS
NUMERICAL DATA
REACTION KINETICS
RELAXATION
SPECTRA
THEORETICAL DATA