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  Triaxial deformation and nuclear shape transition in 192Au

Oktem, Y., Balabanski, D., Akkus, B., Susam, L. A., Atanasova, L., Beausang, C. W., et al. (2012). Triaxial deformation and nuclear shape transition in 192Au. Physical Review C, 86(05): 054305, pp. 1-8. doi:10.1103/PhysRevC.86.054305.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-201B-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-201D-7
Genre: Journal Article

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Oktem, Y., Author
Balabanski, D.L.1, Author
Akkus, B., Author
Susam, L. Amon, Author
Atanasova, L.1, Author
Beausang, C. W.2, 3, Author
Cakirli, R. Burcu4, Author              
Casten, R.F.2, Author
Danchev, M.5, 6, Author
Djongolov, M.5, 6, Author
Ganioğlu, E., Author
Gladnishki, K.A.6, Author
Goon, J.Tm.7, Author
Hartley, D.J.5, 8, Author
Hecht, A.A.2, 9, Author
Krücken, R.2, 10, Author
Novak, J.R.2, Author
Rainovski, G.6, Author
Riedinger, L.L.5, Author
Venkova, T.1, Author
Yigitoglu, I.11, AuthorZamfir, N.V.2, 12, AuthorZeidan, O.5, Author more..
Affiliations:
1Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, BG-1784 Sofia, Bulgaria, ou_persistent22              
2Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520, USA, ou_persistent22              
3Department of Physics, University of Richmond, Richmond, Virginia 23173, USA, ou_persistent22              
4Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
5Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA, ou_persistent22              
6Faculty of Physics, St. Kliment Ohridski University of Sofia, BG-1164 Sofia, Bulgaria, ou_persistent22              
7Louisiana State University Department of Physics and Astronomy, 202 Nicholson Hall, Tower Drive, Baton Rouge, Louisiana 70803-4001, USA, ou_persistent22              
8Department of Physics, U.S. Naval Academy, Annapolis, Maryland 21402, USA, ou_persistent22              
9Department of Physics, U.S. Naval Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, USA, ou_persistent22              
10TRIUMF, Vancouver, British 4004 Wesbrook Mall, Columbia V6T 2A3, Canada, ou_persistent22              
11Gaziosmanpaşa University, Science Faculty, Turkey, ou_persistent22              
12National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania, ou_persistent22              

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 Abstract: Background: Nuclei in the A≈190 mass region show gradual shape changes from prolate through nonaxial deformed shapes and ultimately towards spherical shapes as the Pb region is approached. Exploring how this shape evolution occurs will help us understand the evolution of collectivity in this region. Purpose: The level scheme of the 192Au nucleus in A≈190 region was studied in order to deduce its deformations. Methods: High-spin states of 192Au have been populated in the 186W(11B, 5n) reaction at a beam energy of 68 MeV and their γ decay was studied using the YRAST Ball detector array at the Wright Nuclear Structure Laboratory (WNSL), Yale University. Results: Based on double and triple γ-ray coincidence data the level scheme of 192Au has been extended up to Iπ=32+ at an excitation energy of ∼6 MeV. Conclusion: The results are discussed in the framework of pairing and deformation self-consistent total Routhian surface (TRS) and cranked shell model (CSM) calculations. The comparison of the experimental observations with the calculations indicates that this nucleus takes a nonaxial shape similar to other Au nuclei in this region.

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Language(s): eng - English
 Dates: 2012-11-12
 Publication Status: Published in print
 Pages: 8
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevC.86.054305
 Degree: -

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Title: Physical Review C
Source Genre: Journal
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Publ. Info: New York, NY : Published for the American Physical Society by the American Institute of Physics
Pages: - Volume / Issue: 86 (05) Sequence Number: 054305 Start / End Page: 1 - 8 Identifier: ISSN: 0556-2813
CoNE: https://pure.mpg.de/cone/journals/resource/954925225009