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Determination of the pion-nucleon coupling constant and scattering lengths

We critically evaluate the isovector GMO sum rule for forward pion-nucleon scattering using the recent precision measurements of negatively charged pion-proton and pion-deuteron scattering lengths from pionic atoms. We deduce the charged-pion-nucleon coupling constant, with careful attention to syst...

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Detalles Bibliográficos
Autores principales:	Ericson, Torleif Erik Oskar, Loiseau, B., Thomas, Anthony William
Lenguaje:	eng
Publicado:	2000
Materias:	Particle Physics - Phenomenology
Acceso en línea:	https://dx.doi.org/10.1103/PhysRevC.66.014005 http://cds.cern.ch/record/466436

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