Abstract
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.
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Parida, M.K., Giri, N. Asymptotic bounds on pion form factor. Pramana - J Phys 9, 501–506 (1977). https://doi.org/10.1007/BF02846255
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DOI: https://doi.org/10.1007/BF02846255