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The nature of Λ(1405) hyperon resonance in chiral dynamics

✍ Scribed by D. Jido; T. Sekihara; Y. Ikeda; T. Hyodo; Y. Kanada-En'yo; E. Oset


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
232 KB
Volume
835
Category
Article
ISSN
0375-9474

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Experimental confirmation of the Λ(1405)
✍ Jafar Esmaili; Yoshinori Akaishi; Toshimitsu Yamazaki 📂 Article 📅 2010 🏛 Elsevier Science 🌐 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