Obtaining the strong coupling constants gⱼ/ψDₛ Dₛ and gϕDₛ Dₛ from QCD Sum Rules
Bracco, M. E. · Chiapparini, M. · Rodrigues, B. Osório
الأصل · EN
The form factors and coupling constants of the meson vertices J/ψDₛ Dₛ and ϕDₛ Dₛ were calculated using three point correlation functions within the QCD Sum Rules formalism. We have considered the cases where ϕ, Dₛ and J/ψmesons are off-shell obtaining, for each vertex, two different form factors and its corresponding coupling constants, namely gⱼ/ψDₛ Dₛ = 6.20⁺⁰.⁹⁷₋₁.₁₅ and gϕDₛ Dₛ = 1.85⁺⁰.²²₋₀.₂₃.
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