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The orbital capture of K--mesons and Σ--hyperons in liquid helium

par Comber, C.;Davis, Dudley;Gordon, J.;Tovee, D.N.;Roosen, Robert;Vander Velde, Catherine ;Wickens, John H.
Référence Nuovo cimento. A., 24, 3, page (294-300)
Publication Publié, 1974-12

Article révisé par les pairs

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Résumé :

The mean cascade times of both K--mesons and Σ--hyperons in their captures at rest in liquid helium have been determined to be (3.1±0.4) · 10-10 s and less than 3.6 · 10-11 s (with a confidence level of 90%) respectively. The finding of a much lower mean cascade time for Σ--hyperons than for K--mesons lends weight to the hypothesis of trapping of negative hadrons in metastable orbits in helium. © 1974 Società Italiana di Fisica.