Trapping of Σ+ hyperons in nuclei
1 National Centre for Nuclear Studies, Hoża 69, 00-681 Warsaw, Poland
2 LNF-INFN, Italy
3 Museo Storico della Fisica e Centro Studi e Ricerche Enrico Ferm
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Published online: 29 November 2016
The nuclear capture of K− studied by FINUDA discovered a puzzling low momentum component in the spectrum of final Σ+ hyperon. This component is interpreted here as the effect of Gamov state formed by the hyperon. Such state is quasi-localized in space with a radius in between the hyper-nuclear and the hyper-atomic radius. Experimental and theoretical consequences of this discovery are studied.
© The Authors, published by EDP Sciences, 2016
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