Radiative Decay Constant of Pion in Bethe-Salpeter Framework
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Date
2009-06
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Addis Ababa University
Abstract
In this work our purpose is to calculate the pion radiative decay constant using the
formulation of Bethe-Salpeter equation under covariant Instantaneous Ansatz(CIA)
after inclusion of both leading(LO) as well as next-to-leading(NLO) terms in the BS
wave function of the pion. In this process we also calculate the pion Bethe-Salpeter
Normalizer which is an extremely lengthy calculation
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Keywords
RADIATIVE DECAY