Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-02-18
Int.J.Mod.Phys. E16 (2007) 97-132
Physics
High Energy Physics
High Energy Physics - Phenomenology
Latex, 25 pages with 15 figures; added references for introduction and section 6
Scientific paper
We define a family of non local and chirally symmetric low energy lagrangians motivated by theoretical studies on Quantum Chromodynamics. These models lead to quark propagators with non trivial momentum dependencies. We define the formalism for two body bound states and apply it to the pion. We study the coupling of the photon and W bosons with special attention to the implementation of local gauge invariance. We calculate the pion decay constant recovering the Goldberger-Treiman and the Gell-Mann-Oakes-Renner relations. We recover a form of the axial current consistent with PCAC. Finally we study the pion form factor and we construct the operators involved in its parton distribution.
No associations
LandOfFree
Non local lagrangians(I): the pion does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Non local lagrangians(I): the pion, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Non local lagrangians(I): the pion will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-387935