Alternative Large Nc Schemes and Chiral Dynamics

Details Alternative Large Nc Schemes and Chiral Dynamics Alternative Large Nc Schemes and Chiral Dynamics

2007-04-04

arxiv.org/abs/0704.0602v1

Phys.Rev.D76:014014,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

RevTex, two-columns, 6 pages

Scientific paper

10.1103/PhysRevD.76.014014

We compare the dependences on the number of colors of the leading pion pion scattering amplitudes using the single index quark field and two index quark fields. These are seen to have different relationships to the scattering amplitudes suggested by chiral dynamics which can explain the long puzzling pion pion s wave scattering up to about 1 GeV. This may be interesting for getting a better understanding of the large Nc approach as well as for application to recently proposed technicolor models.

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