Very high rotational frequencies and band termination in 73Br

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

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Abstract

Rotational bands in 73Br have been investigated up to spins of I = 65/2 using the EUROBALL III spectrometer. One of the negative-parity bands displays the highest rotational frequency ℏω= 1.85 MeV reported to date in nuclei with A ≥ 25. At high frequencies, the experimental J(2) dynamic moment of inertia for all bands decreases to very low values, J(2) ≤ 10ℏ2 MeV-1. The bands are described in the configuration-dependent cranked Nilsson-Strutinsky model. The calculations indicate that one of the negative-parity bands is observed up to its terminating single-particle state at spin 63/2. This result establishes the first band termination in the A ≈ 70 mass region.

Original languageEnglish
Pages (from-to)143131-143136
Number of pages6
JournalPhysical Review C - Nuclear Physics
Volume62
Issue number1
Publication statusPublished - Jul 2000

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parity
moments of inertia
stopping
spectrometers
nuclei
configurations

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics

Cite this

Plettner, C., Schnare, H., Schwengner, R., Käubler, L., Dönau, F., Ragnarsson, I., ... Frauendorf, S. (2000). Very high rotational frequencies and band termination in 73Br. Physical Review C - Nuclear Physics, 62(1), 143131-143136.

Very high rotational frequencies and band termination in 73Br. / Plettner, C.; Schnare, H.; Schwengner, R.; Käubler, L.; Dönau, F.; Ragnarsson, I.; Afanasjev, A. V.; Algora, A.; De Angelis, G.; Gadea, A.; Napoli, D. R.; Eberth, J.; Steinhardt, T.; Thelen, O.; Hausmann, M.; Müller, A.; Jungclaus, A.; Lieb, K. P.; Jenkins, D. G.; Wadsworth, R.; Wilson, A. N.; Frauendorf, S.

In: Physical Review C - Nuclear Physics, Vol. 62, No. 1, 07.2000, p. 143131-143136.

Research output: Contribution to journalArticle

Plettner, C, Schnare, H, Schwengner, R, Käubler, L, Dönau, F, Ragnarsson, I, Afanasjev, AV, Algora, A, De Angelis, G, Gadea, A, Napoli, DR, Eberth, J, Steinhardt, T, Thelen, O, Hausmann, M, Müller, A, Jungclaus, A, Lieb, KP, Jenkins, DG, Wadsworth, R, Wilson, AN & Frauendorf, S 2000, 'Very high rotational frequencies and band termination in 73Br', Physical Review C - Nuclear Physics, vol. 62, no. 1, pp. 143131-143136.
Plettner C, Schnare H, Schwengner R, Käubler L, Dönau F, Ragnarsson I et al. Very high rotational frequencies and band termination in 73Br. Physical Review C - Nuclear Physics. 2000 Jul;62(1):143131-143136.
Plettner, C. ; Schnare, H. ; Schwengner, R. ; Käubler, L. ; Dönau, F. ; Ragnarsson, I. ; Afanasjev, A. V. ; Algora, A. ; De Angelis, G. ; Gadea, A. ; Napoli, D. R. ; Eberth, J. ; Steinhardt, T. ; Thelen, O. ; Hausmann, M. ; Müller, A. ; Jungclaus, A. ; Lieb, K. P. ; Jenkins, D. G. ; Wadsworth, R. ; Wilson, A. N. ; Frauendorf, S. / Very high rotational frequencies and band termination in 73Br. In: Physical Review C - Nuclear Physics. 2000 ; Vol. 62, No. 1. pp. 143131-143136.
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