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Lifetime measurements in56Co with the58Ni(d, αγ)56Co reaction

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

The two-particle pick-up reaction58Ni(d, αγ)56Co atE d =7.0 MeV was used to determine mean lifetimes of levels in56Co up to 2.73 MeV excitation energy by the Doppler shift attenuation method,γ-rays were observed in a 43 cm3 Ge(Li)-detector at 90° to the beam axis in coincidence withα-particles detected in two 200 μm-silicon surface barrier detectors atΘ α =±55°. Mean lifetimes for 10 levels in56Co and two lifetime limits have been obtained usingF(τ)-curves calculated with the Winterbon theory. The experimental results are compared with the predictions of recent shell model calculations.

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Authors and Affiliations

  1. Physikalisches Institut, Universität Heidelberg, Heidelberg, Germany

    W. D. Kampp & S. Buhl

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  1. W. D. Kampp
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  2. S. Buhl
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We are indebted to the directors and the staff of the Max-Planck-Institut für Kernphysik, Heidelberg, for making available the facilities of the Tandem accelerator. We would like to thank Dr. K.B. Winter bon for sending us his program to calculate theF(τ)-curves. We are grateful to Drs. P.W.M. Glaudemans and A.W. Kolfschoten for giving their results to us prior to publication. We acknowledge the assistance of Dr. K.H. Bodenmiller, A. Nagel and R. Rippler during the measurements. The Bundesministerium für Forschung und Technologie has supported this work.

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Kampp, W.D., Buhl, S. Lifetime measurements in56Co with the58Ni(d, αγ)56Co reaction. Z Physik A 284, 117–122 (1978). https://doi.org/10.1007/BF01433883

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  • DOI: https://doi.org/10.1007/BF01433883

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