Experimental confirmation of the Λ(1405)
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Jafar Esmaili; Yoshinori Akaishi; Toshimitsu Yamazaki
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Article
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2010
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Elsevier Science
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English
⚖ 144 KB
The Σπ invariant-mass spectra in the resonant capture of K -at rest in 4 He, 3 He and d are calculated by a coupled-channel procedure for a K -p quasi-bound state of an arbitrary chosen mass (M) and width (Γ). A χ 2 analysis of old 4 He bubble chamber data shows a dominance of the s-orbit absorption