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Lifetime and g-factor measurements in44Sc

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

The lifetimes of the 235 keV, 2− state and 350 keV, 4+ state in44Sc have been measured via the44Ca(p, n)44Sc reaction with a pulsed proton beam. The time integral perturbed angular distribution technique with an external field was used to measure the precession angles of the 2− and 4+ states populated by the30Si(16O,pnγ)44Sc reaction. The following values for the mean-lives andg-factors were obtained: τ(2−)=8.83(33) ns, g(2−)=0.30(13) and τ(4+)=4.52(27)ns, g(4+)=0.90(12). The results for the 2− state support a rotational description of the negative parity states in44Sc. The magnetic moment of the 4+ state is compared to shell model predictions.

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Author notes

  1. J. L. Gross

    Present address: Framatome, Courbevoie, France

  2. J. Styczen

    Present address: Institute of Nuclear Physics, Cracow, Poland

Authors and Affiliations

  1. Centre de Recherches Nucléaires et Université Louis Pasteur, Strasbourg, France

    A. Chevallier, J. Chevallier, J. L. Gross, B. Haas, N. Schulz, J. Styczen & M. Toulemonde

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  1. A. Chevallier
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  2. J. Chevallier
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  3. J. L. Gross
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  4. B. Haas
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  5. N. Schulz
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  6. J. Styczen
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  7. M. Toulemonde
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Additional information

We would like to thank Dr. P. Taras for critical reading of the manuscript. One of us (J.S.) acknowledges financial support of the IN2P3-Laboratoires de Pologne Convention.

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Chevallier, A., Chevallier, J., Gross, J.L. et al. Lifetime and g-factor measurements in44Sc. Z Physik A 275, 51–53 (1975). https://doi.org/10.1007/BF01409499

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  • DOI: https://doi.org/10.1007/BF01409499

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