Hadronic wave functions in the instanton model
- 1 July 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 50 (1) , 478-485
- https://doi.org/10.1103/physrevd.50.478
Abstract
In this paper we wish to 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 ρ meson and the Δ, have very similar wave functions but observe a sizable splitting between mesons or baryons with different spin. We compare our results with data obtained in lattice gauge simulations.Keywords
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