Scalar radius of the pion and γγ → ππ

We make an improvement of the dispersion relation calculation of the quadratic scalar radius of the pion, 〈r2〉s pπ, and the reaction γγ → π0 π0. We solve a previous discrepancy between the the solution of the Muskhelishvili-Omnès equations for the non-strange null isospin (I) pion scalar form factor...

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Detalles Bibliográficos
Autores principales: Roca, L., Oller, J.A., Schat, C.
Formato: CONF
Materias:
Dispersion relations
Form factors
Isospin
Lower energies
Approximation theory
Dispersions
Shear waves
Stress intensity factors
Hadrons
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_18248039_v_n_p_Roca
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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