Non-termination of yrast bands at maximum configuration spin in {sup 73}Kr

Journal Article · Sat May 15 00:00:00 EDT 2010 · Physical Review. C, Nuclear Physics

DOI:https://doi.org/10.1103/PHYSREVC.81.054307· OSTI ID:21389015

Steinhardt, T; Eberth, J; Thelen, O ^[1]; Schnare, H; Schwengner, R; Plettner, C; Kaeubler, L; Doenau, F ^[2]; Algora, A; Angelis, G de; Gadea, A; Napoli, D R ^[3]; Hausmann, M; Lieb, K P; Mueller, G A ^[4]; Jungclaus, A ^[5]; Jenkins, D G; Wadsworth, R; Wilson, A N ^[6]

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1. Institut fuer Kernphysik, Universitaet zu Koeln, D-50937 Koeln (Germany)
2. Institut fuer Strahlenphysik, Forschungszentrum Dresden-Rossendorf, D-01314 Dresden (Germany)
3. INFN, Laboratori Nazionali di Legnaro, I-35020 Legnaro (Italy)
4. II. Physikalisches Institut, Universitaet Goettingen, D-37073 Goettingen (Germany)
5. Instituto de Estructura de la Materia, Consejo Superior de Investigaciones Cientificas, E-28006 Madrid (Spain)
6. University of York, Physics Department, Heslington, York Y01 5DD (United Kingdom)

High-spin states in {sup 73}Kr were studied at the XTU tandem accelerator of the Laboratori Nazionali di Legnaro using the reaction {sup 40}Ca({sup 40}Ca,alpha2pn) at a beam energy of 185 MeV. Gamma rays were detected with the EUROBALL spectrometer. Particle detection enabled us to identify the reaction channel leading to {sup 73}Kr. The yrast bands of positive and negative parity were established up to probable spins of 61/2{sup +} and 63/2{sup -}, respectively. The energies of the two identified bands agree well with the predictions of the configuration-dependent Cranked Nilsson-Strutinsky approximation and indicate that the nucleus remains collective up to the maximum spins of the respective high-spin configurations. The positive-parity band represents one of the rare cases where band non-termination at the highest spin of the configuration could be established experimentally.

• OSTI ID: 21389015
• Journal Information: Physical Review. C, Nuclear Physics, Vol. 81, Issue 5; Other Information: DOI: 10.1103/PhysRevC.81.054307; (c) 2010 The American Physical Society; ISSN 0556-2813
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA DECAY
APPROXIMATIONS
BEAMS
CALCIUM 40 BEAMS
CALCIUM 40 TARGET
CONFIGURATION
FORECASTING
GAMMA RADIATION
GAMMA SPECTROSCOPY
HIGH SPIN STATES
KRYPTON 73
MEV RANGE 100-1000
PARITY
SPIN
TANDEM ELECTROSTATIC ACCELERATORS
ACCELERATORS
ANGULAR MOMENTUM
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
CALCULATION METHODS
DECAY
ELECTROMAGNETIC RADIATION
ELECTRON CAPTURE RADIOISOTOPES
ELECTROSTATIC ACCELERATORS
ENERGY LEVELS
ENERGY RANGE
EVEN-ODD NUCLEI
INTERMEDIATE MASS NUCLEI
ION BEAMS
IONIZING RADIATIONS
ISOTOPES
KRYPTON ISOTOPES
MEV RANGE
NUCLEAR DECAY
NUCLEI
PARTICLE PROPERTIES
RADIATIONS
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
SPECTROSCOPY
TARGETS