Non-termination of yrast bands at maximum configuration spin in Kr73

T. Steinhardt, J. Eberth, O. Thelen, H. Schnare, R. Schwengner, C. Plettner, L. Käubler, F. Dönau, A. Algora, G. De Angelis, A. Gadea, D. R. Napoli, M. Hausmann, A. Jungclaus, K. P. Lieb, G. A. Müller, D. G. Jenkins, R. Wadsworth, A. N. Wilson

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Abstract

High-spin states in Kr73 were studied at the XTU tandem accelerator of the Laboratori Nazionali di Legnaro using the reaction Ca40(Ca40,α2pn) 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 Kr73. The yrast bands of positive and negative parity were established up to probable spins of 61/2+ and 63/2-, 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.

Original languageEnglish
Article number054307
JournalPhysical Review C - Nuclear Physics
Volume81
Issue number5
DOIs
Publication statusPublished - May 18 2010

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configurations
parity
accelerators
gamma rays
spectrometers
nuclei
energy
predictions
approximation

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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Steinhardt, T., Eberth, J., Thelen, O., Schnare, H., Schwengner, R., Plettner, C., ... Wilson, A. N. (2010). Non-termination of yrast bands at maximum configuration spin in Kr73. Physical Review C - Nuclear Physics, 81(5), [054307]. https://doi.org/10.1103/PhysRevC.81.054307

Non-termination of yrast bands at maximum configuration spin in Kr73. / Steinhardt, T.; Eberth, J.; Thelen, O.; Schnare, H.; Schwengner, R.; Plettner, C.; Käubler, L.; Dönau, F.; Algora, A.; De Angelis, G.; Gadea, A.; Napoli, D. R.; Hausmann, M.; Jungclaus, A.; Lieb, K. P.; Müller, G. A.; Jenkins, D. G.; Wadsworth, R.; Wilson, A. N.

In: Physical Review C - Nuclear Physics, Vol. 81, No. 5, 054307, 18.05.2010.

Research output: Contribution to journalArticle

Steinhardt, T, Eberth, J, Thelen, O, Schnare, H, Schwengner, R, Plettner, C, Käubler, L, Dönau, F, Algora, A, De Angelis, G, Gadea, A, Napoli, DR, Hausmann, M, Jungclaus, A, Lieb, KP, Müller, GA, Jenkins, DG, Wadsworth, R & Wilson, AN 2010, 'Non-termination of yrast bands at maximum configuration spin in Kr73', Physical Review C - Nuclear Physics, vol. 81, no. 5, 054307. https://doi.org/10.1103/PhysRevC.81.054307
Steinhardt T, Eberth J, Thelen O, Schnare H, Schwengner R, Plettner C et al. Non-termination of yrast bands at maximum configuration spin in Kr73. Physical Review C - Nuclear Physics. 2010 May 18;81(5). 054307. https://doi.org/10.1103/PhysRevC.81.054307
Steinhardt, T. ; Eberth, J. ; Thelen, O. ; Schnare, H. ; Schwengner, R. ; Plettner, C. ; Käubler, L. ; Dönau, F. ; Algora, A. ; De Angelis, G. ; Gadea, A. ; Napoli, D. R. ; Hausmann, M. ; Jungclaus, A. ; Lieb, K. P. ; Müller, G. A. ; Jenkins, D. G. ; Wadsworth, R. ; Wilson, A. N. / Non-termination of yrast bands at maximum configuration spin in Kr73. In: Physical Review C - Nuclear Physics. 2010 ; Vol. 81, No. 5.
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