Summary
On the basis of unusubtracted dispersion relations for the quantity related to the divergences of the local axial-vector currents, we have obtained the well-known Adler-Weisberger relations. We have also used the addivitivity principle in the quark model for forward scattering amplitudes near threshold.
Riassunto
Partendo dalle relazioni di dispersione non sottratte delle quantità riferentesi alle divergenze delle correnti vettoriali-assiali locali, si sono ottenute le ben note relazioni di Adler-Weisberger. Si è anche usato il principio di additività nel modello a quark per le ampiezze di scattering in avanti presso la soglia.
Резюме
На базе безвычитательных дисперсионных соотношений для величины, связанной с дивергенциями локальных аксиальных токов, получено известное соотнощение Адлера-Вайсбергера. Мы использовали также принцип аддитивности в модели кварков для амплитуд рассеяния вперед вблизи порога.
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Footnotes
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Bogolubov, N.N., Matvejev, V.A. & Tavischelidze, A.N. Adler-Weisberger relation and dispersion sum rules in the theory of strong interactions. Nuovo Cimento A (1965-1970) 48, 132–139 (1967). https://doi.org/10.1007/BF02721348
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DOI: https://doi.org/10.1007/BF02721348