Abstract
Using unitarity, analyticity and the hypothesis of Bjorken scaling inequalities have been derived for the upper bounds on the wave function renormalization constant of pion.
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Parida, M.K., Giri, N. Upper bounds on the wave function renormalization constant of pion. Pramana - J Phys 10, 551–558 (1978). https://doi.org/10.1007/BF02879542
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DOI: https://doi.org/10.1007/BF02879542