The weak decays of light hypernuclei

There has been recent progress on both theoretical and experimental frontiers to constrain models of weak interactions between baryons. The status of the analysis of Λ 4,5 He decay rates is discussed, comparing new results with other recent and old measurements. In addition to total decay widths, ki...

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Bibliographic Details
Published in:Nuclear physics. A 1998-08, Vol.639 (1), p.261c-268c
Main Author: Zeps, V.J.
Format: Article
Language:English
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Summary:There has been recent progress on both theoretical and experimental frontiers to constrain models of weak interactions between baryons. The status of the analysis of Λ 4,5 He decay rates is discussed, comparing new results with other recent and old measurements. In addition to total decay widths, kinetic energy distributions and some preliminary coincidence spectra are presented. These coincidences have proven to be essential to the interpretation of the weak-decay processes. In light of these new results, there is now consensus that complementary measurement of the decays of Λ 4H is essential to address some basic questions, such as the validity of the ΔI=1/2 rule for nucleon-stimulated weak decay [1–5]. Prospects for such a measurement are also discussed.
ISSN:0375-9474
DOI:10.1016/S0375-9474(98)00282-6