Hadronic Wave Functions in the Instanton Model

Details Hadronic Wave Functions in the Instanton Model Hadronic Wave Functions in the Instanton Model

1994-01-19

arxiv.org/abs/hep-ph/9401289v1

Phys.Rev. D50 (1994) 478-485

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, uuencoded postscript file appended, SUNY-NTG-94-5

Scientific paper

10.1103/PhysRevD.50.478

We study hadronic wave functions using an instanton model for the QCD vacuum. The wave functions are defined in terms of gauge invariant Bethe Salpeter amplitudes which we have determined numerically using a Monte Carlo simulation of the instanton ensemble. We find that the pion and the proton, as well as the rho meson and the delta have very similar wave functions but observe a sizeable splitting between mesons or baryons with different spin. We compare our results with data obtained in lattice gauge simulations.

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