Asymptotic bounds on pion form factor
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A technique recently developed for inelastic electron proton scattering is applied for inelastic electron pion scattering. It is found that all the derivatives of off-shell form factor of pion nears=m π 2 and for largeQ 2 are bounded from above, provided that the dispersion relation for the form factor requires no more than one subtraction. The elastic pion form factor is bounded by [lnQ 2] c /Q 2, wherec is any positive constant.
KeywordsInelastic electron pion scattering upper bounds
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- Niegawa A 1971Nuovo Cimento A4 883Google Scholar