P.N. Lebedev Physical Institute of the Russian Academy of Sciences

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19912026

most citedPlanck 2015 results. XIII. Cosmological parameters

10.6k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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328 papers · 1 filter

hep-ph2026

Interactions of exotic neutralino dark matter with nucleons in $U (1)$ extensions of the MSSM originating from $E_{6}$ GUTs

M. G. Belyakova, R. B. Nevzorov

To ensure anomaly cancellation the $E_{6}$ inspired $U (1)$ extensions of the minimal supersymmetric (SUSY) standard model (MSSM) involve extra exotic matter. The lightest exotic neut…

hep-ph2026

Coulomb corrections in rare decays of neutral $B$ mesons with $ℓ^{+} ℓ^{-}$ -pair in final state

S. I. Manukhov, N. V. Nikitin

We present a systematic analysis of Coulomb corrections for leptonic ( $B_{d, s}^{0} \to ℓ^{+} ℓ^{-}$ ), semileptonic ( $B_{d, s}^{0} \to h^{0} ℓ^{+} ℓ^{-}$ , $B_{d, s}^{0} \to V^{0} ℓ^{+} ℓ^{-}$ )…

hep-ph2026

Photon emission due to vacuum instability under the action of a quasi-constant electric field

T. C. Adorno, S. P. Gavrilov, D. M. Gitman

Following a nonperturbative formulation of strong-field QED developed in our earlier works, we consider photon emission accompanying vacuum instability under the action of a quasi-…

hep-ph2025

Testing Higgs $C P$ properties at the CEPC with an additional ISR parameter

Alexey Drutskoy, Egor Vasenin

We evaluate the experimental sensitivity to the $C P$ -odd admixture in the standard Higgs boson for the process $e^{+} e^{-} \to H Z$ . The analysis is performed assuming the future lepton…

hep-ph2025

Does the existence of $f_{0}$ meson enlarge the $K^{+} \to π^{0} π^{0} π^{0} e^{+} ν$ decay probability?

E. K. Karkaryan, V. F. Obraztsov, M. I. Vysotsky

We estimate a possible contribution of the two-pion system $f_{0} (500)$ wide resonance to the decay probability of the super rare decay $K^{+} \to 3 π^{0} e^{+} ν$ . We vary the width of the…

hep-ph2024★ 3 cited

On the $K^{+} \to π^{0} π^{0} π^{0} e^{+} ν$ decay

E. K. Karkaryan, K. V. Kiselev, V. F. Obraztsov +2

The OKA Collaboration has obtained a new upper limit on the $K^{+} \to π^{0} π^{0} π^{0} e^{+} ν$ decay probability which is 65 times lower than the one currently listed by PDG. However it is…

hep-ph2024★ 1 cited

Simulation of the process $e^{+} e^{-} \to W^{+} W^{-}$ with the heavy right-handed neutrino exchange at 1 TeV future lepton colliders

A. Drutskoy, E. Vasenin

We study potential contribution of the heavy right-handed neutrino exchange in the process $e^{+} e^{-} \to W^{+} W^{-}$ . This process is sensitive to heavy neutrinos with ma…

hep-ph2024★ 6 cited

Energy momentum tensor on and off the light cone: exposition with scalar Yukawa theory

Xianghui Cao, Siqi Xu, Yang Li +4

We compute the gravitational form factors $A_{i}$ , $D_{i}$ and $c ˉ_{i}$ of the scalar Yukawa theory using both the light-cone and covariant perturbation theory at the one-loop level.…

hep-ph2024

Abnormal solutions of Bethe--Salpeter equation with massless and massive exchanges

Jaume Carbonell1, Vladimir Karmanov, Ekaterina Kupriyanova +1

We summarize the main properties of the so called ''abnormal solutions'' of the Wick--Cutkosky model, i.e. two massive scalar particles interacting via massless scalar exchange ("p…

hep-ph2024

Polarization and kinematic properties of the splitting functions $q \to W^{\pm} + q^{'}$ and $q \to Z^{0} + q$

Alsu G. Bagdatova, Sergey P. Baranov

We consider the processes $g \to W + q^{'}$ and $q \to Z + q$ and derive the respective splitting functions as functions of two kinematic variables: the longitudinal momentum fracti…

hep-ph2024★ 5 cited

Local quench within the Keldysh technique

A. A. Radovskaya, A. G. Semenov

The problem of quantum scalar field evolution after an instantaneous local perturbation (quench) is considered. A new approach to descriptions of a quench from an arbitrary initial…

hep-ph2023★ 7 cited

Pion gravitational form factors at large momentum transfer in the instant-form relativistic impulse approximation approach

A. F. Krutov, V. E. Troitsky

We extend our relativistic theory of gravitational structure of composite hadrons to obtain the pion gravitational form factors at large momentum transfers. The approach was used i…

hep-ph2023★ 1 cited

libepa -- a C++/Python library for calculations of cross sections of ultraperipheral collisions

E. V. Zhemchugov, S. I. Godunov, E. K. Karkaryan +3

The library provides a set of C++/Python functions for computing cross sections of ultraperipheral collisions of high energy particles under the equivalent photons approximation. C…

hep-ph2023★ 5 cited

A possible search for Majorana neutrinos at future lepton colliders

E. Antonov, A. Drutskoy, M. Dubinin

We discuss the process $ℓ^{+} ℓ^{-} \to N W^{\pm} ℓ^{\mp}$ , where $N$ is a heavy Majorana neutrino and $ℓ = e, μ$ . Large cross sections are expected for these processes at h…

hep-ph2023★ 1 cited

Baryonium Dark Matter: Events with Circle Configurations in the Atmosphere and on the Surface of Earth

O. I. Piskounova

This research supposes the parallel study of the manifestations of Baryonium Dark Matter (BDM) in astroparticle collisions in the atmosphere and among the footprints of the massive…

hep-ph2023

Weak interaction corrections to muon pair production via the photon fusion at the LHC

S. I. Godunov, E. K. Karkaryan, V. A. Novikov +3

Analytical formulas describing the correction due to the $Z$ boson exchange to the cross section of the reaction $pp \to p μ^{+} μ^{-} X$ are presented. When the invariant mass of…

hep-ph2023★ 5 cited

Leptogenesis and Dark Matter-Nucleon Scattering Cross Section in the SE6SSM

Roman Nevzorov

The E6 inspired extension of the minimal supersymmetric (SUSY) standard model (MSSM) with an extra U(1)_N gauge symmetry, under which right-handed neutrinos have zero charge, invol…

hep-ph2023★ 3 cited

TeV-scale leptoquark searches at the LHC and their E $_{6}$ SSM Interpretation

Murad Ali, Shaaban Khalil, Stefano Moretti +4

We perform a model-independent search for leptoquarks (LQs) at the Large Hadron Collider through their pair-production and subsequent decay into $t t ˉ τ τ$ intermediate states. W…

hep-ph2022

High Energy Proton-Proton collisions and Baryonium Dark Matter

O. I. Piskounova

The positive hyperon production asymmetries that have been measured at LHC are real demonstrations of string junction role in the baryon charge transfer at baryon production in HE…

hep-ph2022★ 4 cited

Updated constraints on WIMP dark matter by radio observations of M31 -- all annihilation channels

Andrei E. Egorov

The present work derived the robust constraints on annihilating WIMP parameters utilizing new radio observations of M31, as well as new studies of its DM distribution and other pro…

hep-ph2022★ 11 cited

On direct observation of millicharged particles at $c$ - $τ$ factories and other $e^{+} e^{-}$ -colliders

Dmitry Gorbunov, Dmitry Kalashnikov, Pavel Pakhlov +1

Hypothetical particles with tiny electric charges (millicharged particles or MCPs) can be produced in electron-positron annihilation if kinematically allowed. Typical searches for…

hep-ph2022★ 12 cited

$pp$ scattering at the LHC with the lepton pair production and one proton tagging

S. I. Godunov, E. K. Karkaryan, V. A. Novikov +3

Analytical formulas for the cross section of the reaction $pp \to p + ℓ^{+} ℓ^{-} + X$ are presented. Fiducial cross sections are compared with those measured recently by the ATL…

hep-ph2022★ 4 cited

The role of initial gluon emission in double $J / ψ$ production at central rapidities

S. P. Baranov, A. V. Lipatov, A. A. Prokhorov

We consider the process of double $J / ψ$ production in $pp$ collisions at the LHC in the framework of $k_{T}$ -factorization approach. We focus on the gluon fragmentation mechanism whi…

hep-ph2022★ 6 cited

Effects of isospin violation in the $e^{+} e^{-} \to B^{()} B ˉ^{()}$ cross sections

A. E. Bondar, A. I. Milstein, R. V. Mizuk +1

Model estimates are obtained for the influence of Coulomb effects on the ratio of the cross sections for the production of charged and neutral $B B ˉ$ and $B^{*} B ˉ^{*}$ pairs in…

Interactions of exotic neutralino dark matter with nucleons in U(1) extensions of the MSSM originating from E6​ GUTs

Coulomb corrections in rare decays of neutral B mesons with ℓ+ℓ−-pair in final state

Photon emission due to vacuum instability under the action of a quasi-constant electric field

Testing Higgs CP properties at the CEPC with an additional ISR parameter

Does the existence of f0​ meson enlarge the K+→π0π0π0e+ν decay probability?

On the K+→π0π0π0e+ν decay

Simulation of the process e+e−→W+W− with the heavy right-handed neutrino exchange at 1 TeV future lepton colliders

Energy momentum tensor on and off the light cone: exposition with scalar Yukawa theory

Abnormal solutions of Bethe--Salpeter equation with massless and massive exchanges

Polarization and kinematic properties of the splitting functions q→W±+q′ and q→Z0+q

Local quench within the Keldysh technique

Pion gravitational form factors at large momentum transfer in the instant-form relativistic impulse approximation approach

libepa -- a C++/Python library for calculations of cross sections of ultraperipheral collisions

A possible search for Majorana neutrinos at future lepton colliders

Baryonium Dark Matter: Events with Circle Configurations in the Atmosphere and on the Surface of Earth

Weak interaction corrections to muon pair production via the photon fusion at the LHC

Leptogenesis and Dark Matter-Nucleon Scattering Cross Section in the SE6SSM

TeV-scale leptoquark searches at the LHC and their E6​SSM Interpretation

High Energy Proton-Proton collisions and Baryonium Dark Matter

Updated constraints on WIMP dark matter by radio observations of M31 -- all annihilation channels

On direct observation of millicharged particles at c-τ factories and other e+e−-colliders

pp scattering at the LHC with the lepton pair production and one proton tagging

The role of initial gluon emission in double J/ψ production at central rapidities

Effects of isospin violation in the e+e−→B(∗)Bˉ(∗) cross sections

Interactions of exotic neutralino dark matter with nucleons in $U (1)$ extensions of the MSSM originating from $E_{6}$ GUTs

Coulomb corrections in rare decays of neutral $B$ mesons with $ℓ^{+} ℓ^{-}$ -pair in final state

Testing Higgs $C P$ properties at the CEPC with an additional ISR parameter

Does the existence of $f_{0}$ meson enlarge the $K^{+} \to π^{0} π^{0} π^{0} e^{+} ν$ decay probability?

On the $K^{+} \to π^{0} π^{0} π^{0} e^{+} ν$ decay

Simulation of the process $e^{+} e^{-} \to W^{+} W^{-}$ with the heavy right-handed neutrino exchange at 1 TeV future lepton colliders

Polarization and kinematic properties of the splitting functions $q \to W^{\pm} + q^{'}$ and $q \to Z^{0} + q$

TeV-scale leptoquark searches at the LHC and their E $_{6}$ SSM Interpretation

On direct observation of millicharged particles at $c$ - $τ$ factories and other $e^{+} e^{-}$ -colliders

$pp$ scattering at the LHC with the lepton pair production and one proton tagging

The role of initial gluon emission in double $J / ψ$ production at central rapidities

Effects of isospin violation in the $e^{+} e^{-} \to B^{()} B ˉ^{()}$ cross sections