Charged pion polarizability in the nonlocal quark model of Nambu-Jona-Lasinio type

Details Charged pion polarizability in the nonlocal quark model of Nambu-Jona-Lasinio type Charged pion polarizability in the nonlocal quark model of Nambu-Jona-Lasinio type

2004-03-12

arxiv.org/abs/hep-ph/0403131v1

Phys.Part.Nucl.Lett.2:1-3,2005; PismaFiz.Elem.Chast.Atom.Yadra2:7-12,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 2 figures

Scientific paper

The polarizability of a charged pion is estimated in the framework of the
nonlocal chiral quark model of the Nambu--Jona-Lasinio type. Nonlocality is
described by quark form factors of the Gaussian type. It is shown that the
polarizability in this model is very sensitive to the form of nonlocality and
choice of the model parameters.

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