PoS - Proceedings of Science
Volume 374 - Light Cone 2019 - QCD on the light cone: from hadrons to heavy ions (LC2019) - Contributed
The homogeneous Bethe-Salpeter equation for fermion-scalar systems in Minkowski space
G. Salmè,* T. Frederico, J.H. Alvarenga Nogueira, E. Pace
*corresponding author
Full text: pdf
Pre-published on: May 06, 2020
Published on: May 26, 2020
Abstract
The approach for solving the Bethe-Salpeter equation of bound systems with spin degrees of freedom has been further tested by investigating a fermion-scalar bound state. The main outcome of such a study is given by the extraction of genuinely dynamical information on both the va- lence probabilities and light-front distributions (longitudinal and transverse ones) and it has been achieved by exploiting the well-known Nakanishi integral representation of the Bethe-Salpeter amplitude. The whole set of obtained results improves the perspective of actually constructing a phenomenological framework where the dynamical features of a bound system can be studied directly in Minkowski space.
DOI: https://doi.org/10.22323/1.374.0077
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