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Measurement of theg-factor of the 4 +1 -state of202Pb

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

Theg-factor of the 4 +1 -state of202Pb was investigated by the IPAC-technique. Inspite of the long half-life, which was measured as:T 1/2(4 +1 -state)=1.97(2)ns and the strong applied external magnetic field of 95.0 kG no rotation of the 787 keV-(422keV)-961 keVγ-γ angular correlation could be observed. Theg-factor must therefore be very small. A computer fit gave the limits:g(4 +1 -state)=+0.002(4).

This smallg-factor can be understood by the assumption of an accidental cancellation of a positive contribution by the main [f 25/2 ]4-configuration and several negative contributions by admixtures of all other possible two neutron configurations.

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Authors and Affiliations

  1. Institut für Strahlen- und Kernphysik, Universität Bonn, Germany

    W. Thomas, K. Kroth & H. R. Zilligen

Authors
  1. W. Thomas
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  2. K. Kroth
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  3. H. R. Zilligen
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Additional information

The authors are indebted to Professor Bodenstedt for his kind interest and support of this work.

The investigation was supported by the Bundesministerium für Forschung und Technologie.

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Thomas, W., Kroth, K. & Zilligen, H.R. Measurement of theg-factor of the 4 +1 -state of202Pb. Z Physik A 280, 371–375 (1977). https://doi.org/10.1007/BF01435446

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  • DOI: https://doi.org/10.1007/BF01435446

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