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On the γNΔ (1241) coupling constants

✍ Scribed by P. Christillin; G. Dillon


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
516 KB
Volume
497
Category
Article
ISSN
0375-9474

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The gVσγ coupling constants in hadron el
✍ Michail P. Rekalo; Egle Tomasi-Gustafsson 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 170 KB

Recent measurements of the branching ratios for the decays ω → π 0 π 0 γ and ρ 0 → π 0 π 0 γ lead to coupling constants of the V σ γ interaction (V is a vector meson) one order of magnitude smaller than previously assumed to describe the threshold cross section of γ + p → p + ρ 0 and the HERMES effe