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Title: Recent results at ultrahigh spin: Terminating states and beyond in mass 160 rare-earth nuclei

Abstract

A classic region of band termination at high spin occurs in rare-earth nuclei with around ten valence nucleons above the 146Gd closed core. The results are presented here for such non-collective oblate (γ = 60°) terminating states in odd-Z 155Ho, odd–odd 156Ho, and even–even 156Er, where they are compared with neighboring nuclei. In addition to these particularly favoured states, the occurrence of collective triaxial strongly deformed (TSD) bands, bypassing the terminating states and extending to over 65ℏ, is reviewed.

Authors:
 [1];  [1];  [1];  [2];  [3];  [4];  [2];  [5];  [6];  [4];  [7];  [5];  [5];  [5];  [5];  [3];  [4];  [2];  [1];  [3] more »;  [8];  [9];  [1];  [2];  [5];  [10] « less
  1. Univ. of Liverpool, Liverpool (United Kingdom)
  2. Florida State Univ., Tallahassee, FL (United States)
  3. STFC Daresbury Lab., Warrington (United Kingdom)
  4. Univ. of Notre Dame, Notre Dame, IN (United States)
  5. Argonne National Lab. (ANL), Argonne, IL (United States)
  6. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Maryland, College Park, MD (United States)
  7. United States Naval Academy, Annapolis, MD (United States)
  8. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  9. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  10. Lund Univ., Lund (Sweden)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1222714
Alternate Identifier(s):
OSTI ID: 1338503; OSTI ID: 1407304
Grant/Contract Number:  
AC02-06CH11357; AC02-05CH11231; FG02-94ER40834; FG02-96ER40983; AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Acta Physica Polonica. Series B
Additional Journal Information:
Journal Volume: 46; Journal Issue: 3; Conference: Zakopane Conference on Nuclear Physics “Extremes of the Nuclear Landscape”, Zakopane, (Poland), 31 Aug - 7 Sep 2014; Journal ID: ISSN 0587-4254
Publisher:
Jagiellonian University
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Paul, E. S., Rees, J. M., Hampson, P., Riley, M. A., Simpson, J., Ayangeakaa, A. D., Baron, J. S., Carpenter, M. P., Chiara, C. J., Garg, U., Hartley, D. J., Hoffman, C. R., Janssens, R. V. F., Kondev, F. G., Lauritsen, T., Mason, P. J. R., Matta, J., Miller, S. L., Nolan, P. J., Ollier, J., Petri, M., Radford, D. C., Revill, J. P., Wang, X., Zhu, S., and Ragnarsson, I. Recent results at ultrahigh spin: Terminating states and beyond in mass 160 rare-earth nuclei. United States: N. p., 2015. Web. doi:10.5506/APhysPolB.46.487.
Paul, E. S., Rees, J. M., Hampson, P., Riley, M. A., Simpson, J., Ayangeakaa, A. D., Baron, J. S., Carpenter, M. P., Chiara, C. J., Garg, U., Hartley, D. J., Hoffman, C. R., Janssens, R. V. F., Kondev, F. G., Lauritsen, T., Mason, P. J. R., Matta, J., Miller, S. L., Nolan, P. J., Ollier, J., Petri, M., Radford, D. C., Revill, J. P., Wang, X., Zhu, S., & Ragnarsson, I. Recent results at ultrahigh spin: Terminating states and beyond in mass 160 rare-earth nuclei. United States. doi:10.5506/APhysPolB.46.487.
Paul, E. S., Rees, J. M., Hampson, P., Riley, M. A., Simpson, J., Ayangeakaa, A. D., Baron, J. S., Carpenter, M. P., Chiara, C. J., Garg, U., Hartley, D. J., Hoffman, C. R., Janssens, R. V. F., Kondev, F. G., Lauritsen, T., Mason, P. J. R., Matta, J., Miller, S. L., Nolan, P. J., Ollier, J., Petri, M., Radford, D. C., Revill, J. P., Wang, X., Zhu, S., and Ragnarsson, I. Thu . "Recent results at ultrahigh spin: Terminating states and beyond in mass 160 rare-earth nuclei". United States. doi:10.5506/APhysPolB.46.487. https://www.osti.gov/servlets/purl/1222714.
@article{osti_1222714,
title = {Recent results at ultrahigh spin: Terminating states and beyond in mass 160 rare-earth nuclei},
author = {Paul, E. S. and Rees, J. M. and Hampson, P. and Riley, M. A. and Simpson, J. and Ayangeakaa, A. D. and Baron, J. S. and Carpenter, M. P. and Chiara, C. J. and Garg, U. and Hartley, D. J. and Hoffman, C. R. and Janssens, R. V. F. and Kondev, F. G. and Lauritsen, T. and Mason, P. J. R. and Matta, J. and Miller, S. L. and Nolan, P. J. and Ollier, J. and Petri, M. and Radford, D. C. and Revill, J. P. and Wang, X. and Zhu, S. and Ragnarsson, I.},
abstractNote = {A classic region of band termination at high spin occurs in rare-earth nuclei with around ten valence nucleons above the 146Gd closed core. The results are presented here for such non-collective oblate (γ = 60°) terminating states in odd-Z 155Ho, odd–odd 156Ho, and even–even 156Er, where they are compared with neighboring nuclei. In addition to these particularly favoured states, the occurrence of collective triaxial strongly deformed (TSD) bands, bypassing the terminating states and extending to over 65ℏ, is reviewed.},
doi = {10.5506/APhysPolB.46.487},
journal = {Acta Physica Polonica. Series B},
number = 3,
volume = 46,
place = {United States},
year = {2015},
month = {1}
}

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