Two-Particle Separation Energy Trends in the Superdeformed Well

Journal Article · Fri Apr 23 00:00:00 EDT 2010 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.104.162501· OSTI ID:21410642

Wilson, A N; Davidson, P M ^[1]; Korichi, A; Hannachi, F; Lopez-Martens, A; Rejmund, M; Schueck, C ^[2]; Siem, S ^[2]; Astier, A ^[3]; CSNSM-IN2P3-CNRS, 91405 Orsay Campus ^[4]; Bazzacco, D; Lunardi, S ^[5]; Bednarczyk, P; Kintz, N; Naguleswaran, S ^[6]; Bergstroem, M H ^[7]; Chmel, S; Goergen, A; Huebel, H; Schoenwasser, G ^[8] ; Cullen, D M ^[9]

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1. Research School of Physics and Engineering, Australian National University, Canberra, ACT 0200 (Australia)
2. CSNSM-IN2P3-CNRS, 91405 Orsay Campus (France)
3. IPN Lyon, 69622 Villeurbanne (France)
4. France
5. Dipartimento di Fisica e INFN, Sezione di Padova, 1-35131 Padova (Italy)
6. IReS, 67037 Strasbourg (France)
7. Niels Bohr Institute, Blegdamsvej 17 DK-2100 Copenhagen (Denmark)
8. Helmholtz-Institut fuer Strahlen- und Kernphysik, Universitaet Bonn, Nussallee 14-16, D-53115 Bonn (Germany)
9. Oliver Lodge Laboratory, University of Liverpool, L69 7ZE (United Kingdom)

A measurement of the energy and spin of superdeformed states in {sup 190}Hg, obtained through the observation of transitions directly linking superdeformed and normal states, expands the number of isotopes in which binding energies at superdeformation are known. Comparison with neighboring nuclei shows that two-proton separation energies are higher in the superdeformed state than in the normal state, despite the lower Coulomb barrier and lower total binding energy. This unexpected result provides a critical test for nuclear models.

• OSTI ID: 21410642
• Journal Information: Physical Review Letters, Vol. 104, Issue 16; Other Information: DOI: 10.1103/PhysRevLett.104.162501; (c) 2010 The American Physical Society; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
BINDING ENERGY
COMPARATIVE EVALUATIONS
COULOMB FIELD
MERCURY 190
NUCLEAR MODELS
PARTICLES
PROTONS
SPIN
SUPERDEFORMED NUCLEI
ANGULAR MOMENTUM
BARYONS
BETA DECAY RADIOISOTOPES
DEFORMED NUCLEI
ELECTRIC FIELDS
ELECTRON CAPTURE RADIOISOTOPES
ELEMENTARY PARTICLES
ENERGY
EVALUATION
EVEN-EVEN NUCLEI
FERMIONS
HADRONS
HEAVY NUCLEI
ISOTOPES
MATHEMATICAL MODELS
MERCURY ISOTOPES
MINUTES LIVING RADIOISOTOPES
NUCLEI
NUCLEONS
PARTICLE PROPERTIES
RADIOISOTOPES