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Study of p̄p→π+π−π+π−π0 annihilation

✍ Scribed by V.I. Tretyak


Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
182 KB
Volume
692
Category
Article
ISSN
0375-9474

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Resonances in p̄p→ηπ+π−π+π− at rest
✍ A.V. Anisovich; D.V. Bugg; N. Djaoshvili; C. Hodd; J. Kisiel; L. Montanet; A.V. 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 347 KB

Data on pp → ηπ + π -π + π -at rest show two resonant processes: (a) f 0 (1370)η, f 0 (1370) → σ σ and ρρ, (b) η( 1440)σ , η(1440) → ηπ + π -. The branching ratio BR[f 0 (1370) → ρρ]/ BR[f 0 (1370) → σ σ ] = 0.98 ± 0.25 in the mass range available here. Using data on pp → ηπ 0 π 0 , the ratio Γ 4π /