activity
20152026
most citedThe anomalous magnetic moment of the muon in the Standard Model: an update

134 citations · 420 across the 30 of their papers we have counts for

collaborators

31 papers

hep-ph2026

Charge-exchange reactions with pion and kaon beams in the NA64h experiment at CERN

Sergei N. Gninenko, Sergey Kuleshov, Valery E. Lyubovitskij +1

We discuss a new approach to search for dark sector coupled to quarks in the invisible decays and oscillations of light neutral mesons produced in the charge-exchange (CEX) reactio…

hep-ph2026

Nonlocal Portal to the Dark Sector

Sergey Kovalenko, Sergey Kuleshov, Valery E. Lyubovitskij +1

We propose a nonlocal realization of the Stueckelberg portal between the Standard Model and Dark Sector, which decouple in the local limit. This implies that the mediator, $U(1)_{D…

hep-ph2026

Constraints on dark axion portal: missing energy and fermion EDMs

Sergei N. Gninenko, N. V. Krasnikov, Valery E. Lyubovitskij +4

We study a model in which a new interactions between the Standard Model (SM) photon and both the dark photon ( and an ALP () are described by the dark axion portal operato…

hep-ph2025

Electron-muon conversion in nuclei and rare decays induced by LFV dark photon

Alexey S. Zhevlakov, Sergey Kuleshov, Valery E. Lyubovitskij +1

We study lepton-flavor violation (LFV) effects occurring in the conversion in nuclei and in the rare radiative decays of the and mesons with a specia…

hep-ph2025★ 134 cited

The anomalous magnetic moment of the muon in the Standard Model: an update

R. Aliberti, T. Aoyama, E. Balzani +232

We present the current Standard Model (SM) prediction for the muon anomalous magnetic moment, , updating the first White Paper (WP20) [1]. The pure QED and electroweak contrib…

hep-ph2025

Probing millicharged particles with NA64 and LDMX

Sergei N. Gninenko, N. V. Krasnikov, Sergey Kuleshov +7

Millicharged particles emerge as compelling candidates in numerous theoretically well-motivated extensions of the Standard Model. These hypothetical particles, characterized by an…

hep-ph2025

Angular coefficients of the Drell-Yan process across different rapidity and kinematical ranges

Valery E. Lyubovitskij, Alexey S. Zhevlakov, Iurii A. Anikin

We present comprehensive analysis of the angular structure of the Drell-Yan process at different rapidity and kinematical ranges using data of the ATLAS, LHCb, and CMS Collaboratio…

hep-ph2025

Formation of true muonium in the Drell-Yan dimuon production

Sergei N. Gninenko, Sergey Kuleshov, Valery E. Lyubovitskij +1

We suggest a new mechanism for the formation of true muonium (), the QED bound state, due to the Coulomb interaction of muons from pairs generated in th…

hep-ph2024

Transverse momentum dependence of the -even hadronic structure functions in the Drell-Yan process

Valery E. Lyubovitskij, Alexey S. Zhevlakov, Iurii A. Anikin

We present detailed analysis of the -even lepton angular distribution in the Drell-Yan process including gauge boson exchange and using perturbative QCD based on the col…

hep-ph2024

Probing leptophobic dark sector with a pseudoscalar portal in the NA64 experiment at CERN

Sergei N. Gninenko, Dmitry V. Kirpichnikov, Nikolai V. Krasnikov +3

We propose the possibility of discovering a light pseudoscalar particle , axion-like particle (ALP), interacting mainly with quarks using the electron and photon scattering reac…

hep-ph2024★ 9 cited

Perturbative -odd asymmetries in the Drell-Yan process revisited

Valery E. Lyubovitskij, Werner Vogelsang, Fabian Wunder +1

We calculate the perturbative -odd contributions to the lepton angular distribution in the Drell-Yan process. Using collinear factorization, we work at the first order in QCD pe…

hep-ex2024★ 2 cited

Exploration of the Muon and Light Dark Matter explanations in NA64 with the CERN SPS high energy muon beam

Yu. M. Andreev, D. Banerjee, B. Banto Oberhauser +54

We report on a search for a new () vector boson performed at the NA64 experiment employing a high energy muon beam and a missing energy-momentum technique. Muons from…

hep-ph2023

Test of vector portal with dark fermions in the charge-exchange reactions in the NA64 experiment at CERN SPS

Sergei N. Gninenko, Dmitry V. Kirpichnikov, Sergey Kuleshov +2

We consider an experiment to search for dark sector particles in dark photon kinetic mixing model by analyze invisible and semi-invisible decays of neutral mesons , ,…

hep-ph2023

Probing invisible vector meson decay mode with hadronic beam in the NA64 experiment at SPS/CERN

Alexey S. Zhevlakov, Dmitry V. Kirpichnikov, Sergei N. Gninenko +2

We test a novel idea of using a beam in the fixed-target experiments to search for New Physics in the events with missing energy. Bounds for invisible vector meson decay…

hep-ph2023

Lepton flavor violating dark photon

Alexey S. Zhevlakov, Dmitry V. Kirpichnikov, Valery E. Lyubovitskij

We study possible impact of dark photons on lepton flavor phenomenology. We derive the constraints on non-diagonal dark photon couplings with leptons by analyzing corresponding con…

hep-ex2023

Measurement of the intrinsic hadronic contamination in the NA64 high-purity beam at CERN

Yu. M. Andreev, D. Banerjee, B. Banto Oberhauser +65

In this study, we present the measurement of the intrinsic hadronic contamination at the CERN SPS H4 beamline configured to transport electrons and positrons at 100 GeV/c momentum.…

hep-ph2022★ 8 cited

Dark SU(2) Stueckelberg portal

Valery E. Lyubovitskij, Alexey S. Zhevlakov, Aliaksei Kachanovich +1

We study the non-abelian extension of the Stueckelberg portal, which plays a role of the mediator between the Standard Model (SM) and Dark Sector (DS). This port…

hep-ph2022★ 24 cited

Implication of the dark axion portal for the EDM of fermions and dark matter probing with NA64, NA64, LDMX, $\mbox{M}^3$, and BaBar

Alexey S. Zhevlakov, Dmitry V. Kirpichnikov, Valery E. Lyubovitskij

The link between ordinary Standard model (SM) photon and both dark photon and axion like particle (ALP) can be introduced through the dark axion portal coupling. Given the dark axi…

hep-ph2021★ 13 cited

Lepton Phenomenology of Stueckelberg Portal to Dark Sector

A. Kachanovich, S. Kovalenko, S. Kuleshov +2

We propose an extension of the Standard Model (SM) with a gauge invariant dark dector connected to the SM via a new portal -- the Stueckelberg portal, arising in the fr…

hep-ph2021★ 24 cited

New ideas for handling of loop and angular integrals in D-dimensions in QCD

Valery E. Lyubovitskij, Fabian Wunder, Alexey S. Zhevlakov

We discuss new ideas for consideration of loop diagrams and angular integrals in -dimensions in QCD. In case of loop diagrams, we propose the covariant formalism of expansion of…

hep-ex2021★ 42 cited

Conceptual design of the Spin Physics Detector

V. M. Abazov, V. Abramov, L. G. Afanasyev +291

The Spin Physics Detector, a universal facility for studying the nucleon spin structure and other spin-related phenomena with polarized proton and deuteron beams, is proposed to be…

hep-ph2020★ 11 cited

Deuteron EDM induced by CP violating couplings of pseudoscalar mesons

Alexey S. Zhevlakov, Valery E. Lyubovitskij

We analyze contributions to the electric dipole (EDM) and Schiff (SFM) moments of deuteron induced by the CP-violating three-pseudoscalar meson couplings using phenomenological Lag…

hep-ph2020★ 37 cited

Implication of the hidden sub-GeV bosons for the , Be-He anomaly, proton charge radius, EDM of fermions and dark axion portal

D. V. Kirpichnikov, Valery E. Lyubovitskij, Alexey S. Zhevlakov

We discuss new physics phenomenology of hidden scalar (), pseudoscalar (), vector () and axial-vector () particles coupled to nucleons and leptons, which could give con…

hep-ph2019★ 12 cited

Updated limits on the CP violating and couplings derived from the neutron EDM

Alexey S. Zhevlakov, Thomas Gutsche, Valery E. Lyubovitskij

We complete our derivation of upper limits on the CP violating and couplings from an analysis of their two-loop contributions to the neutron electric dipole moment (nE…