| Issue |
EPJ Web of Conferences
Volume 122, 2016
CNR*15 - 5th International Workshop on Compound-Nuclear Reactions and Related Topics
|
|
|---|---|---|
| Article Number | 02002 | |
| Number of page(s) | 10 | |
| Section | Level Densities | |
| DOI | https://doi.org/10.1051/epjconf/201612202002 | |
| Published online | 21 June 2016 | |
https://doi.org/10.1051/epjconf/201612202002
Persistence of Vibrational Collectivity in Nuclear Level Densities
1 Department of Physics, Graduate School of Science, Chiba University, Inage, Chiba 263-8522, Japan
2 Faculty of Engineering and Natural Sciences, Kadir Has University, Cibali 34083, Istanbul, Turkey
a e-mail: nakada@faculty.chiba-u.jp
Published online: 21 June 2016
By applying the particle-number projection to the finite-temperature BCS theory to the state densities in the rare-earth nuclei and comparing its results to the SMMC ones, we investigate effects of the particle-number conservation on the collective enhancement factor for the state densities. Once we restore the particle-number conservation, the rapid decay of vibrational enhancement disappears. This suggests that the vibrational collectivity may survive up to higher energy and the relevant enhancement factor is insensitive to the excitation energy.
© The Authors, published by EDP Sciences, 2016
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