QCD sum rules for and mesons in nuclear matter

T Hilger, R Thomas, B Kaempfer - Physical Review C—Nuclear Physics, 2009 - APS
QCD sum rules for D and B mesons embedded in cold nuclear matter are evaluated. We
quantify the mass splitting of DD¯ and BB¯ mesons as a function of the nuclear matter …

Solving the Bethe-Salpeter equation for two fermions in Minkowski space

J Carbonell, VA Karmanov - The European Physical Journal A, 2010 - Springer
The method of solving the Bethe-Salpeter equation in Minkowski space, developed
previously for spinless particles (VA Karmanov, J. Carbonell, Eur. Phys. J. A 27, 1 (2006)), is …

Advances in solving the two-fermion homogeneous Bethe-Salpeter equation in Minkowski space

W de Paula, T Frederico, G Salmè, M Viviani - Physical Review D, 2016 - APS
Actual solutions of the Bethe-Salpeter equation for a two-fermion bound system are
becoming available directly in Minkowski space, by virtue of a novel technique, based on the …

Two-body scattering states in Minkowski space and the Nakanishi integral<? format?> representation onto the null plane

T Frederico, G Salmè, M Viviani - … Review D—Particles, Fields, Gravitation, and …, 2012 - APS
The Nakanishi perturbative integral representation of the four-dimensional T-matrix is
investigated in order to get a workable treatment for scattering states, solutions of the …

Fermionic bound states in Minkowski space: light-cone singularities and structure

W de Paula, T Frederico, G Salmè, M Viviani… - The European Physical …, 2017 - Springer
Abstract The Bethe–Salpeter equation for two-body bound system with spin 1/2 constituent
is addressed directly in the Minkowski space. In order to accomplish this aim we use the …

Analytical properties of the quark propagator from a truncated Dyson-Schwinger equation in complex Euclidean space

SM Dorkin, LP Kaptari, T Hilger, B Kämpfer - Physical Review C, 2014 - APS
In view of the mass spectrum of heavy mesons in vacuum, the analytical properties of the
solutions of the truncated Dyson-Schwinger equation for the quark propagator within the …

Mass Spectrum of Pseudo-Scalar Glueballs from a Bethe–Salpeter Approach with the Rainbow–Ladder Truncation

LP Kaptari, B Kämpfer - Few-Body Systems, 2020 - Springer
We suggest a framework based on the rainbow approximation to the Dyson–Schwinger and
Bethe–Salpeter equations with effective parameters adjusted to lattice QCD data to calculate …

Pion generalized parton distributions within a fully covariant constituent quark model

C Fanelli, E Pace, G Romanelli, G Salme… - The European Physical …, 2016 - Springer
We extend the investigation of the generalized parton distribution for a charged pion within a
fully covariant constituent quark model, in two respects:(1) calculating the tensor distribution …

Accounting for the analytical properties of the quark propagator from the Dyson-Schwinger equation

SM Dorkin, LP Kaptari, B Kämpfer - Physical Review C, 2015 - APS
An approach based on combined solutions of the Bethe-Salpeter (BS) and Dyson-
Schwinger (DS) equations within the ladder-rainbow approximation in the presence of …

Solving the Bethe-Salpeter equation in Minkowski space for a fermion-scalar system

JHA Nogueira, V Gherardi, T Frederico, G Salme… - Physical Review D, 2019 - APS
The ladder Bethe-Salpeter equation of a bound (1/2)+ system, composed by a fermion and a
scalar boson, is solved in Minkowski space, for the first time. The formal tools are the same …