Parity Dependence of Nuclear Level Densities

Y. Alhassid, G. F. Bertsch, S. Liu, and H. Nakada
Phys. Rev. Lett. 84, 4313 – Published 8 May 2000
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Abstract

A simple formula for the ratio of the number of odd- and even-parity states as a function of temperature is derived. This formula is used to calculate the ratio of level densities of opposite parities as a function of excitation energy. We test the formula with quantum Monte Carlo shell model calculations in the (pf+g9/2) shell. The formula describes well the transition from low excitation energies where a single parity dominates to high excitations where the two densities are equal.

  • Received 9 November 1999

DOI:https://doi.org/10.1103/PhysRevLett.84.4313

©2000 American Physical Society

Authors & Affiliations

Y. Alhassid1, G. F. Bertsch2, S. Liu1, and H. Nakada3

  • 1Center for Theoretical Physics, Sloane Physics Laboratory, Yale University, New Haven, Connecticut 06520
  • 2Institute for Nuclear Theory and Department of Physics, University of Washington, Seattle, Washington 98195
  • 3Department of Physics, Chiba University, Inage, Chiba 263-8522, Japan

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Vol. 84, Iss. 19 — 8 May 2000

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