Abstract
If aβ-decaying H4 exists a super-allowed transition to the excited analogue state of He4 is possible. Such a decay mode was not considered in previous experiments. The reaction Li6 (γ, 2p) H4 was used to produce H4. No super-allowedβ −-decay of H4 could be observed and upper limits for the production cross section are given.
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The author is indebted to ProfessorBrix and his coworkers for making available the Darmstadt electron linear accelerator. Thanks are due to ProfessorSchöpper for his interest in this work and to Dr.Ullrich for his assistance in running the betatron.
This work was supported by the Bundesministerium für Wissenschaftliche Forschung and the Deutsche Forschungsgemeinschaft.
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Jänecke, J. Search for a super-allowed β−-decay of H4 . Z. Physik 183, 499–503 (1965). https://doi.org/10.1007/BF01381969
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DOI: https://doi.org/10.1007/BF01381969