Phys. Rev. C 57, 1398 - 1403 (1998)Level density parameter in a refined Thomas-Fermi theory |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1973: |
J. N. De1,2, S. Shlomo1, and S. K. Samaddar3
1Cyclotron Institute, Texas A&M University, College Station, Texas 77843-3366
2Variable Energy Cyclotron Centre, 1/AF, Bidhannagar, Calcutta 700064, India
3Saha Institute of Nuclear Physics, 1/AF, Bidhannagar, Calcutta 700064, India
Received 26 August 1997
We present calculations for the nuclear level density parameter over a wide range of nuclear mass and temperature. The hot nucleus is modeled in a refined Thomas-Fermi approximation that allows the confinement of the hot evaporating metastable system through an external pressure. The position and temperature dependence of the momentum and frequency dependent effective masses are taken into account. The agreement with experimental data, particularly its temperature dependence, is reasonably reproduced.
©1998 The American Physical Society
URL: http://link.aps.org/abstract/PRC/v57/p1398
DOI: 10.1103/PhysRevC.57.1398
PACS: 21.10.Ma, 21.60.-n
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