Pion structure at high and low energies in chiral quark models
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AuthorRuiz Arriola, Enrique
Jona-lasinio modelCone wave-functionSU(3) NJL modelLight coneForm factorQuantum chromodynamicsDistribution amplitudeExclusive processesRenormalization groupParton distributions
Ruiz Arriola, E. Pion structure at high and low energies in chiral quark models. Acta Physica Polonica B, 33(12): 4443-4479 (2002). [http://hdl.handle.net/10481/32460]
Low and high energy properties of the pion are reviewed in the framework of chiral quark models. Particular emphasis is put on the simplest version of the SU(2) NJL model as prototype. The role of gauge invariance in this kind of calculations is stressed. The results are used as initial conditions for perturbative QCD evolution equations. At leading order the quark model scale is μ0 ∼ 320MeV as determined from the pion distribution functions and the pion distribution amplitudes.