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Title: Single-particle and collective excitations in 63 Ni

Abstract

Research of excited states in 63 Ni up to an excitation energy of 28 MeV and a probable spin of 57/2 was carried out with the 26 Mg( 48 Ca,2 α 3 n γ ) 63 Ni reaction at beam energies between 275 and 320 MeV. Three collective bands, built upon states of single-particle character, were identified. For two of the three bands, the transition quadrupole moments were extracted, herewith quantifying the deformation at high spin. The findings have been compared with shell-model and cranked Nilsson-Strutinsky calculations. Despite the Z = 28 shell closure and the approach to the purported N = 40 subshell, the 63 Ni isotope is able to sustain collective excitations at moderate and high spin.

Authors:
 [1];  [1];  [1];  [2];  [3];  [1];  [4];  [5];  [1];  [6];  [7];  [8];  [4];  [1];  [1];  [1];  [1];  [9];  [10];  [11] more »;  [1];  [12];  [1] « less
  1. Argonne National Lab. (ANL), Argonne, IL (United States)
  2. Lund Univ. (Sweden)
  3. Lund Univ. (Sweden). Lund Inst. of Technology (LTH)
  4. Michigan State Univ., East Lansing, MI (United States)
  5. Argonne National Lab. (ANL), Argonne, IL (United States); NASA Marshall Space Flight Center (MSFC), Huntsville, AL (United States)
  6. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Maryland, College Park, MD (United States)
  7. Univ. of Massachusetts, Lowell, MA (United States)
  8. Univ. of Manchester (United Kingdom); Rapiscan Systems (United Kingdom)
  9. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Massachusetts, Lowell, MA (United States)
  10. Argonne National Lab. (ANL), Argonne, IL (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
  11. Argonne National Lab. (ANL), Argonne, IL (United States); Florida State Univ., Tallahassee, FL (United States)
  12. Argonne National Lab. (ANL), Argonne, IL (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Publication Date:
Research Org.:
Michigan State Univ., East Lansing, MI (United States); UChicago, LLC., Argonne, IL (United States); Univ. of Maryland, College Park, MD (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF); Swedish Research Council (SRC); United Kingdom Science and Technology Facilities Council (STFC)
OSTI Identifier:
1606083
Grant/Contract Number:  
FG02-08ER41556; AC02-06CH11357; FG02-94ER40834; PHY-0606007
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review. C, Nuclear Physics
Additional Journal Information:
Journal Volume: 88; Journal Issue: 5; 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

Albers, M., Zhu, S., Janssens, R. V. F., Gellanki, J., Ragnarsson, I., Alcorta, M., Baugher, T., Bertone, P. F., Carpenter, M. P., Chiara, C. J., Chowdhury, P., Deacon, A. N., Gade, Alexandra, DiGiovine, B., Hoffman, C. R., Kondev, F. G., Lauritsen, T., Lister, C. J., McCutchan, E. A., Moerland, D. S., Nair, C., Rogers, A. M., and Seweryniak, D. Single-particle and collective excitations in 63 Ni. United States: N. p., 2013. Web. doi:10.1103/PhysRevC.88.054314.
Albers, M., Zhu, S., Janssens, R. V. F., Gellanki, J., Ragnarsson, I., Alcorta, M., Baugher, T., Bertone, P. F., Carpenter, M. P., Chiara, C. J., Chowdhury, P., Deacon, A. N., Gade, Alexandra, DiGiovine, B., Hoffman, C. R., Kondev, F. G., Lauritsen, T., Lister, C. J., McCutchan, E. A., Moerland, D. S., Nair, C., Rogers, A. M., & Seweryniak, D. Single-particle and collective excitations in 63 Ni. United States. https://doi.org/10.1103/PhysRevC.88.054314
Albers, M., Zhu, S., Janssens, R. V. F., Gellanki, J., Ragnarsson, I., Alcorta, M., Baugher, T., Bertone, P. F., Carpenter, M. P., Chiara, C. J., Chowdhury, P., Deacon, A. N., Gade, Alexandra, DiGiovine, B., Hoffman, C. R., Kondev, F. G., Lauritsen, T., Lister, C. J., McCutchan, E. A., Moerland, D. S., Nair, C., Rogers, A. M., and Seweryniak, D. Mon . "Single-particle and collective excitations in 63 Ni". United States. https://doi.org/10.1103/PhysRevC.88.054314. https://www.osti.gov/servlets/purl/1606083.
@article{osti_1606083,
title = {Single-particle and collective excitations in 63 Ni},
author = {Albers, M. and Zhu, S. and Janssens, R. V. F. and Gellanki, J. and Ragnarsson, I. and Alcorta, M. and Baugher, T. and Bertone, P. F. and Carpenter, M. P. and Chiara, C. J. and Chowdhury, P. and Deacon, A. N. and Gade, Alexandra and DiGiovine, B. and Hoffman, C. R. and Kondev, F. G. and Lauritsen, T. and Lister, C. J. and McCutchan, E. A. and Moerland, D. S. and Nair, C. and Rogers, A. M. and Seweryniak, D.},
abstractNote = {Research of excited states in 63Ni up to an excitation energy of 28 MeV and a probable spin of 57/2 was carried out with the 26Mg(48Ca,2α3nγ)63Ni reaction at beam energies between 275 and 320 MeV. Three collective bands, built upon states of single-particle character, were identified. For two of the three bands, the transition quadrupole moments were extracted, herewith quantifying the deformation at high spin. The findings have been compared with shell-model and cranked Nilsson-Strutinsky calculations. Despite the Z=28 shell closure and the approach to the purported N=40 subshell, the 63Ni isotope is able to sustain collective excitations at moderate and high spin.},
doi = {10.1103/PhysRevC.88.054314},
url = {https://www.osti.gov/biblio/1606083}, journal = {Physical Review. C, Nuclear Physics},
issn = {0556-2813},
number = 5,
volume = 88,
place = {United States},
year = {2013},
month = {11}
}

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