• Milestone

Dynamics of induced fission

J. W. Negele, S. E. Koonin, P. Möller, J. R. Nix, and A. J. Sierk
Phys. Rev. C 17, 1098 – Published 1 March 1978
An article within the collection: Physical Review C 50th Anniversary Milestones
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Abstract

Induced fission of U236 is calculated in the time-dependent mean-field approximation assuming axial and reflection symmetry and omitting the spin-orbit interaction. Constrained static solutions are used to generate the appropriate initial condition and are compared in detail with results of macroscopic-microscopic calculations. Although dynamic mean-field results are strongly dependent upon an effective pairing gap, predicted observables are consistent with experiment for plausible values of the gap. Detailed comparisons with macroscopic models indicate that both a modified one-body dissipation and two-body viscosity yield observables similar to those of the mean-field theory, even though these physical dissipation mechanisms are fundamentally different.

NUCLEAR REACTIONS, FISSION U236 induced fission calculated in time-dependent mean-field approximation and with modified liquid-drop model. Comparison of dissipation mechanisms.

  • Received 18 October 1977

DOI:https://doi.org/10.1103/PhysRevC.17.1098

©1978 American Physical Society

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This article appears in the following collection:

Physical Review C 50th Anniversary Milestones

This collection of milestone papers from PRC highlights research that remains central to current developments in nuclear physics.

Authors & Affiliations

J. W. Negele*

  • Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

S. E. Koonin*

  • W. K. Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, California 91125

P. Möller† and J. R. Nix

  • Theoretical Division, Los Alamos Scientific Laboratory, University of California, Los Alamos, New Mexico 87545

A. J. Sierk*

  • W. K. Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, California 91125
  • Theoretical Division, Los Alamos Scientific Laboratory, University of California, Los Alamos, New Mexico 87545

  • *Alfred P. Sloan Research Fellow.
  • †Present address: Department of Mathematical Physics, University of Lund, Lund 7, Sweden.

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Vol. 17, Iss. 3 — March 1978

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