PoS - Proceedings of Science
Volume 374 - Light Cone 2019 - QCD on the light cone: from hadrons to heavy ions (LC2019) - Contributed
Studies of three-body bound states with zero-range interaction in Minkowski space
E. Ydrefors,* J.H. Alvarenga Nogueira, V. Karmanov, T. Frederico
*corresponding author
Full text: pdf
Pre-published on: May 06, 2020
Published on: May 26, 2020
The Bethe-Salpeter equation for three scalar bosons, with zero-range interaction, has been solved in Minkowski space by direct integration of the four-dimensional integral equation. The singularities appearing in the propagators were handled by standard analytical and numerical methods, without using any ansatz for the Bethe-Salpeter amplitude. Some of the results for the binding energies and transverse amplitudes are discussed here, and also compared with the corresponding results calculated in Euclidean space. A reasonable agreement between the calculations has been obtained.
DOI: https://doi.org/10.22323/1.374.0088
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