Analysis of unique beta transitions

B. Eman, F. Krmpotic, D Tadic, A. Nielsen

    Research output: Contribution to journalJournal articleResearchpeer-review


    The Heidelberg group measurements [For abstr. see Phys. Rev. Nucl. Sci. Vol. 15 (1965)] of unique forbidden transitions have been analysed. It has been found that experimental shape factors can be reproduced only with the induced pseudoscalar form factor d <0, and/or with the induced G-non-conserving tensor form factor b > 0. In the former case they contradict Daniel's results [See abstr. 1966A10720] for 0- rarr 0+ transitions, whereas in the latter they are in disagreement with other known analyses of mu-meson capture, allowed and forbidden transitions. The conclusion appears to be independent of limited variations of nuclear matrix element ratios. A complete theoretical expression for the shape factor and details of the analysis are presented.
    Original languageEnglish
    JournalNuclear Physics A
    Issue number2
    Pages (from-to)386-400
    Publication statusPublished - 1967


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