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{Delta}I=4 bifurcation in a superdeformed band. Evidence for a C{sub 4} symmetry

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Abstract

The moment of inertia of the yrast superdeformed band in {sup 149}Gd exhibits an unexpected bifurcation at high rotational frequency. States differing by four units of angular momentum show an energy shift of about 60 eV. This indicates the remnant of a new quantum number associated with the fourfold rotational symmetry. (author) 21 refs., 3 figs., 1 tab.
Authors:
Flibotte, S; Beck, F A; [1]  Andrews, H R; Ball, G C; [2]  Beausang, C W; [3]  Hackman, G; [4]  Lisle, J C; [5]  Nazarewitz, W; [6]  Zuber, K; [7]  Aberg, S; [6]  EUROGAM Collaboration
  1. Strasbourg-1 Univ., 67 (France). Centre de Recherches Nucleaires
  2. Atomic Energy of Canada Ltd., Chalk River, ON (Canada). Chalk River Nuclear Labs.
  3. Liverpool Univ. (United Kingdom). Oliver Lodge Lab.
  4. McMaster Univ., Hamilton, ON (Canada). Dept. of Physics
  5. Manchester Univ. (United Kingdom). Schuster Lab.
  6. Oak Ridge National Lab., TN (United States)
  7. Institute of Nuclear Physics, Cracow (Poland)
Publication Date:
Dec 31, 1993
Product Type:
Technical Report
Report Number:
CRN-93-35
Reference Number:
SCA: 663110; 663560; PA: AIX-25:035144; EDB-94:072314; NTS-94:020686; SN: 94001197355
Resource Relation:
Other Information: DN: Submitted to Physical Review Letters (US).; PBD: 1993
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; GADOLINIUM 149; YRAST STATES; MOMENT OF INERTIA; NUCLEAR DEFORMATION; QUANTUM NUMBERS; ROTATIONAL STATES; SUPERDEFORMED NUCLEI; SYMMETRY; 663110; 663560; GENERAL AND AVERAGE PROPERTIES OF NUCLEI AND NUCLEAR ENERGY LEVELS; A = 90-149
OSTI ID:
10146422
Research Organizations:
Strasbourg-1 Univ., 67 (France). Centre de Recherches Nucleaires
Country of Origin:
France
Language:
English
Other Identifying Numbers:
Other: ON: DE94623903; TRN: FR9401955035144
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
FRN
Size:
16 p.
Announcement Date:
Jul 05, 2005

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Citation Formats

Flibotte, S, Beck, F A, Andrews, H R, Ball, G C, Beausang, C W, Hackman, G, Lisle, J C, Nazarewitz, W, Zuber, K, Aberg, S, and EUROGAM Collaboration. {Delta}I=4 bifurcation in a superdeformed band. Evidence for a C{sub 4} symmetry. France: N. p., 1993. Web.
Flibotte, S, Beck, F A, Andrews, H R, Ball, G C, Beausang, C W, Hackman, G, Lisle, J C, Nazarewitz, W, Zuber, K, Aberg, S, & EUROGAM Collaboration. {Delta}I=4 bifurcation in a superdeformed band. Evidence for a C{sub 4} symmetry. France.
Flibotte, S, Beck, F A, Andrews, H R, Ball, G C, Beausang, C W, Hackman, G, Lisle, J C, Nazarewitz, W, Zuber, K, Aberg, S, and EUROGAM Collaboration. 1993. "{Delta}I=4 bifurcation in a superdeformed band. Evidence for a C{sub 4} symmetry." France.
@misc{etde_10146422,
title = {{Delta}I=4 bifurcation in a superdeformed band. Evidence for a C{sub 4} symmetry}
 author = {Flibotte, S, Beck, F A, Andrews, H R, Ball, G C, Beausang, C W, Hackman, G, Lisle, J C, Nazarewitz, W, Zuber, K, Aberg, S, and EUROGAM Collaboration}
 abstractNote = {The moment of inertia of the yrast superdeformed band in {sup 149}Gd exhibits an unexpected bifurcation at high rotational frequency. States differing by four units of angular momentum show an energy shift of about 60 eV. This indicates the remnant of a new quantum number associated with the fourfold rotational symmetry. (author) 21 refs., 3 figs., 1 tab.}
 place = {France}
 year = {1993}
 month = {Dec}
 }