100 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Lomonosov Moscow State UniversityRU72 papers
- Institute of Mathematical Problems of BiologyRU14 papers
- Moscow Center of Fundamental and Applied MathematicsRU14 papers
- National Research University Higher School of EconomicsRU12 papers
- Institute of Terrestrial Magnetism Ionosphere and Radio Wave PropagationRU8 papers
- Troitsk Institute for Innovation and Fusion ResearchRU8 papers
- University of Beira InteriorPT7 papers
- Institute for Information Transmission ProblemsRU6 papers
- St Petersburg UniversityRU6 papers
- Institute of Solar-Terrestrial PhysicsRU5 papers
- Moscow Institute of Physics and TechnologyRU5 papers
- Russian Academy of SciencesRU5 papers
14 papers · 1 filter
On multi-propagator angular integrals
Juliane Haug, Vladimir A. Smirnov, Fabian Wunder
We study multi-propagator angular integrals, a class of phase-space integrals relevant to processes with multiple observed final states and a test-bed for transferring loop-integra…
Expansion by regions meets angular integrals
Vladimir A. Smirnov, Fabian Wunder
We study the small-mass asymptotic behavior of so-called angular integrals, appearing in phase-space calculations in perturbative quantum field theory. For this purpose we utilize…
FIRE 6.5: Feynman Integral Reduction with New Simplification Library
Alexander V. Smirnov, Mao Zeng
FIRE is a program which performs integration-by-parts (IBP) reduction of Feynman integrals. Originally, the C++ version of FIRE relies on the computer algebra system Fermat by Robe…
The decomposed photon anomalous dimension in QCD and the -expanded representations for the Adler function
A. L. Kataev, V. S. Molokoedov
This work is devoted to the study of the -expansion of the perturbative expressions for the annihilation Adler function and for the related renormalization…
Balancing act: multivariate rational reconstruction for IBP
A. V. Belitsky, A. V. Smirnov, R. V. Yakovlev
We address the problem of unambiguous reconstruction of rational functions of many variables. This is particularly relevant for recovery of exact expansion coefficients in integrat…
Quark and gluon form factors in four-loop QCD
Roman N. Lee, Andreas von Manteuffel, Robert M. Schabinger +3
We compute the photon-quark and Higgs-gluon form factors to four-loop order within massless perturbative Quantum Chromodynamics. Our results constitute ready-to-use building blocks…
Notes on interplay of the QCD and EW perturbative corrections to the pole-running top-quark mass ratio
A. L. Kataev, V. S. Molokoedov
A specific representation of the known one-loop EW correction to the relation between the pole and running $\msbar$-scheme masses of the top-quark through particle masses of the St…
Two-loop non-planar hexa-box integrals with one massive leg
Adam Kardos, Costas G. Papadopoulos, Alexander V. Smirnov +2
Based on the Simplified Differential Equations approach, we present results for the two-loop non-planar hexa-box families of master integrals. We introduce a new approach to obtain…
The -scheme QCD contributions to the Adler function and Bjorken polarized sum rule in the Crewther-type two-fold -expanded representation
I. O. Goriachuk, A. L. Kataev, V. S. Molokoedov
We consider the two-fold expansion in powers of the conformal anomaly and of the strong coupling for the non-singlet contributions to Adler -function and Bjorken polarized…
FIESTA5: numerical high-performance Feynman integral evaluation
A. V. Smirnov, N. D. Shapurov, L. I. Vysotsky
In this paper we present a new release of the FIESTA program (Feynman Integral Evaluation by a Sector decomposiTion Approach). FIESTA5 is performance-oriented - we implemented impr…
Analytic results for two-loop planar master integrals for Bhabha scattering
Claude Duhr, Vladimir A. Smirnov, Lorenzo Tancredi
We analytically evaluate the master integrals for the second type of planar contributions to the massive two-loop Bhabha scattering in QED using differential equa- tions with canon…
Fermionic corrections to quark and gluon form factors in four-loop QCD
Roman N. Lee, Andreas von Manteuffel, Robert M. Schabinger +3
We analytically compute all four-loop QCD corrections to the photon-quark and Higgs-gluon form factors involving a closed massless fermion loop. Our calculation of non-planar verte…
Glue-and-Cut at Five Loops
Alessandro Georgoudis, Vasco Gonçalves, Erik Panzer +3
We compute epsilon-expansions around 4 dimensions of a complete set of master integrals for momentum space five-loop massless propagator integrals in dimensional regularization, up…
Matching the heavy-quark fields in QCD and HQET at four loops
Andrey G. Grozin, Peter Marquard, Alexander V. Smirnov +2
The QCD/HQET matching coefficient for the heavy-quark field is calculated up to four loops. It must be finite; this requirement produces analytical results for some terms in the fo…