97 citations · 369 across the 17 of their papers we have counts for
19 papers
Third-order mixed electroweak-QCD corrections to the W-boson mass prediction from the muon lifetime
Ievgen Dubovyk, Ayres Freitas, Janusz Gluza +1
We present the calculation of the so far missing corrections to the quantity , which relates the Fermi constant to the W-boson mass, and enables pre…
Phenomenology of Lepton Masses and Mixing with Discrete Flavor Symmetries
Garv Chauhan, P. S. Bhupal Dev, Ievgen Dubovyk +6
The observed pattern of fermion masses and mixing is an outstanding puzzle in particle physics, generally known as the flavor problem. Over the years, guided by precision neutrino…
Mellin-Barnes Integrals: A Primer on Particle Physics Applications
Ievgen Dubovyk, Janusz Gluza, Gabor Somogyi
We discuss the Mellin-Barnes representation of complex multidimensional integrals. Experiments frontiered by the High-Luminosity Large Hadron Collider at CERN and future collider p…
Evaluation of multi-loop multi-scale Feynman integrals for precision physics
Ievgen Dubovyk, Ayres Freitas, Janusz Gluza +3
Modern particle physics is increasingly becoming a precision science that relies on advanced theoretical predictions for the analysis and interpretation of experimental results. Th…
Electroweak precision pseudo-observables at the Z-resonance peak
Ievgen Dubovyk, Ayres Freitas, Janusz Gluza +3
Phenomenologically relevant electroweak precision pseudo-observables related to Z-boson physics are discussed in the context of the strong experimental demands of future c…
Optimizing the Mellin-Barnes Approach to Numerical Multiloop Calculations
Ievgen Dubovyk, Janusz Gluza, Tord Riemann
The status of numerical evaluations of Mellin-Barnes integrals is discussed, in particular, the application of the quasi-Monte Carlo integration package QMC to the efficient calcul…
Electroweak pseudo-observables and Z-boson form factors at two-loop accuracy
Ievgen Dubovyk, Ayres Freitas, Janusz Gluza +2
We present Standard Model predictions for the complete set of phenomenologically relevant electroweak precision pseudo-observables related to the Z-boson: the leptonic and bottom-q…
MBnumerics: Numerical integration of Mellin-Barnes integrals in physical regions
Johann Usovitsch, Ievgen Dubovyk, Tord Riemann
We introduce techniques to treat numerically Mellin-Barnes integrals in physical regions, which arise in the need of the computation of Feynman integrals for the electroweak two-lo…
Standard Model Theory for the FCC-ee Tera-Z stage
A. Blondel, J. Gluza, S. Jadach +35
The future 100-km circular collider FCC at CERN is planned to operate in one of its modes as an electron-positron FCC-ee machine. We give an overview comparing the theoretical stat…
Complete electroweak two-loop corrections to Z boson production and decay
Ievgen Dubovyk, Ayres Freitas, Janusz Gluza +2
This article presents results for the last unknown two-loop contributions to the -boson partial widths and -peak cross-section. These are the so-called bosonic electroweak tw…
New prospects for the numerical calculation of Mellin-Barnes integrals in Minkowskian kinematics
Ievgen Dubovyk, Janusz Gluza, Tomasz Jelinski +2
During the last several years remarkable progress has been made in numerical calculations of dimensionally regulated multi-loop Feynman diagrams using Mellin-Barnes (MB) representa…
30 years, some 700 integrals, and 1 dessert, or: Electroweak two-loop corrections to the Zbb vertex
I. Dubovyk, A. Freitas, J. Gluza +2
The one-loop corrections to the weak mixing angle derived from the vertex, are known since 1985. It took another 30 years to calculate the complete e…
The two-loop electroweak bosonic corrections to
Ievgen Dubovyk, Ayres Freitas, Janusz Gluza +2
The prediction of the effective electroweak mixing angle in the Standard Model at two-loop accuracy has now been completed by the first calculation of t…
Numerical integration of massive two-loop Mellin-Barnes integrals in Minkowskian regions
Ievgen Dubovyk, Janusz Gluza, Tord Riemann +1
Mellin-Barnes (MB) techniques applied to integrals emerging in particle physics perturbative calculations are summarized. New versions of AMBRE packages which construct planar and…
Non-planar Feynman integrals, Mellin-Barnes representations, multiple sums
Johannes Blümlein, Ievgen Dubovyk, Janusz Gluza +4
The construction of Mellin-Barnes (MB) representations for non-planar Feynman diagrams and the summation of multiple series derived from general MB representations are discussed. A…
Some Remarks on Non-Planar Diagrams
Krzysztof Bielas, Ievgen Dubovyk, Janusz Gluza +1
Two criteria for planarity of a Feynman diagram upon its propagators (momentum flows) are presented. Instructive Mathematica programs that solve the problem and examples are provid…
Reductions and Contractions of 1-loop Tensor Feynman Integrals
Andrea A. Almasy, Ievgen Dubovyk, J. Gluza +1
We report on the progress in constructing contracted one-loop tensors. Analytic results for rank R=4 tensors, cross-checked numerically, are presented for the first time.
Method of unitary clothing transformations in the theory of nucleon-nucleon scattering
I. Dubovyk, O. Shebeko
The clothing procedure, put forward in quantum field theory (QFT) by Greenberg and Schweber, is applied for the description of nucleon-nucleon (N-N) scattering. We consider pseudos…
The method of unitary clothing transformations in the theory of nucleon-nucleon scattering
I. Dubovyk, A. Shebeko
The clothing procedure, put forward in quantum field theory by Greenberg and Schweber, is applied for the description of nucleon-nucleon (N-N) scattering. We consider pseudoscalar,…