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Title: Evolution from spherical single-particle structure to stable triaxiality at high spins in Nd 140

Abstract

The level structure of $$ 140\atop{60} $$Nd 80 has been established up to spin 48 by in-beam γ-ray spectroscopy by use of the 96Zr( 48Ca, 4 n) reaction. High-fold γ-ray coincidences were measured with the EUROBALL spectrometer. Twelve new rotational bands have been discovered at high spins. They are interpreted as being formed in a deep triaxial minimum at ε 2 ≈ 0.25 and γ ≈ 35°. Further possible configurations are assigned to the observed bands on the basis of configuration-dependent cranked Nilsson-Strutinsky calculations.

Authors:
 [1];  [1];  [1];  [1];  [2];  [2];  [2];  [2];  [2];  [2];  [3];  [4];  [5];  [5];  [5];  [5];  [6];  [7];  [8];  [9] more »;  [10];  [11];  [11];  [12];  [12];  [13];  [2] « less
  1. Univ. di Camerino and Instituto Nazionale di Fisica Nucleare, Camerino (Italy)
  2. Univ. Bonn, Bonn (Germany)
  3. Univ. Bonn, Bonn (Germany); IIT Kharagpur, Kharagpur (India)
  4. Lund Inst. of Technology, Lund (Sweden)
  5. Niels Bohr Inst., Copenhagen (Denmark)
  6. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  7. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); CEA Saclay, Gif-sur-Yvette (France)
  8. Inst. de Recherches Subatomiques, Strasbourg (France); Polish Academy of Sciences, Krakow (Poland); Gesellschaft für Schwerionenforschung, Darmstadt (Germany)
  9. Inst. de Recherches Subatomiques, Strasbourg (France)
  10. Univ. College of Science, Kolkata (India)
  11. Centre de Spectrometrie Nucleaire et de Spectrometrie de Masse, Orsay Campus (France)
  12. Andrha Univ., Visakhapatnam (India)
  13. Panjab Univ., Chandigarh (India)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1511294
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. C, Nuclear Physics
Additional Journal Information:
Journal Volume: 72; Journal Issue: 6; Journal ID: ISSN 0556-2813
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Petrache, C. M., Fantuzi, M., LoBianco, G., Mengoni, D., Neusser-Neffgen, A., Al-Khatib, A., Bringel, P., Bürger, A., Nenoff, N., Schönwasser, G., Singh, A. K., Ragnarsson, I., Hagemann, G. B., Herskind, B., Jensen, D. R., Sletten, G., Fallon, P., Görgen, A., Bednarczyk, P., Curien, D., Gangopadhyay, G., Korichi, A., Lopez-Martens, A., Rao, B. V. T., Reddy, T. S., Singh, Nirmal, and Hubel, H. Evolution from spherical single-particle structure to stable triaxiality at high spins in Nd140. United States: N. p., 2005. Web. doi:10.1103/PhysRevC.72.064318.
Petrache, C. M., Fantuzi, M., LoBianco, G., Mengoni, D., Neusser-Neffgen, A., Al-Khatib, A., Bringel, P., Bürger, A., Nenoff, N., Schönwasser, G., Singh, A. K., Ragnarsson, I., Hagemann, G. B., Herskind, B., Jensen, D. R., Sletten, G., Fallon, P., Görgen, A., Bednarczyk, P., Curien, D., Gangopadhyay, G., Korichi, A., Lopez-Martens, A., Rao, B. V. T., Reddy, T. S., Singh, Nirmal, & Hubel, H. Evolution from spherical single-particle structure to stable triaxiality at high spins in Nd140. United States. doi:10.1103/PhysRevC.72.064318.
Petrache, C. M., Fantuzi, M., LoBianco, G., Mengoni, D., Neusser-Neffgen, A., Al-Khatib, A., Bringel, P., Bürger, A., Nenoff, N., Schönwasser, G., Singh, A. K., Ragnarsson, I., Hagemann, G. B., Herskind, B., Jensen, D. R., Sletten, G., Fallon, P., Görgen, A., Bednarczyk, P., Curien, D., Gangopadhyay, G., Korichi, A., Lopez-Martens, A., Rao, B. V. T., Reddy, T. S., Singh, Nirmal, and Hubel, H. Thu . "Evolution from spherical single-particle structure to stable triaxiality at high spins in Nd140". United States. doi:10.1103/PhysRevC.72.064318. https://www.osti.gov/servlets/purl/1511294.
@article{osti_1511294,
title = {Evolution from spherical single-particle structure to stable triaxiality at high spins in Nd140},
author = {Petrache, C. M. and Fantuzi, M. and LoBianco, G. and Mengoni, D. and Neusser-Neffgen, A. and Al-Khatib, A. and Bringel, P. and Bürger, A. and Nenoff, N. and Schönwasser, G. and Singh, A. K. and Ragnarsson, I. and Hagemann, G. B. and Herskind, B. and Jensen, D. R. and Sletten, G. and Fallon, P. and Görgen, A. and Bednarczyk, P. and Curien, D. and Gangopadhyay, G. and Korichi, A. and Lopez-Martens, A. and Rao, B. V. T. and Reddy, T. S. and Singh, Nirmal and Hubel, H.},
abstractNote = {The level structure of $ 140\atop{60} $Nd80 has been established up to spin 48 by in-beam γ-ray spectroscopy by use of the 96Zr(48Ca, 4n) reaction. High-fold γ-ray coincidences were measured with the EUROBALL spectrometer. Twelve new rotational bands have been discovered at high spins. They are interpreted as being formed in a deep triaxial minimum at ε2 ≈ 0.25 and γ ≈ 35°. Further possible configurations are assigned to the observed bands on the basis of configuration-dependent cranked Nilsson-Strutinsky calculations.},
doi = {10.1103/PhysRevC.72.064318},
journal = {Physical Review. C, Nuclear Physics},
number = 6,
volume = 72,
place = {United States},
year = {2005},
month = {12}
}

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