Backbending in 167Hf and 168Hf and the band-crossing picture |
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Authors: | RVF Janssens MJA de Voigt H Sakai HJM Aarts CJ van der Poel HFR Arciszewski DEC Scherpenzeel J Vervier |
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Institution: | Kernfysisch Verneller Instituut, 9747 AA Groningen, The Netherlands;Fysisch Laboratorium, University of Utrecht, The Netherlands;Institut de Physique Corpusculaire, Louvain-la-Neuve, Belgium |
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Abstract: | Using two Compton-suppression spectrometers in an Eγ?Eγ coincidence experiment, the yrast bands in 167,168Hf were extended up to and 28 ?, respectively. The i positive parity band in 167Hf experiences backbending at a higher frequency than the first backbending in 168Hf, and no second backbending is obseerved in 168Hf. New information is threby obtained on the nature and interaction strength of the crossing bands in the vicinity of N = 96. |
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