51 citations · 286 across the 25 of their papers we have counts for
25 papers
Bayesian Superiority in On/Off analysis
Gleb Babenov, Petr Satunin
We present a detailed comparison of Bayesian criteria with three non-informative priors - flat, Jeffreys, and scale-invariant - for testing a signal against an unknown background a…
Constraining Lorentz invariance violation from the depth of air-shower maximum
Nickolay S. Martynenko, Grigory I. Rubtsov, Petr S. Satunin +2
Hypothetical Lorentz invariance violation (LIV) remains strongly constrained but has not been excluded as a possible manifestation of new high-energy physics. In subluminal photon-…
Resonant production of millicharged scalars in electromagnetic wave background
Ekaterina Dmitrieva, Petr Satunin
We investigate the solution of the Klein-Gordon equation for a charged scalar particle in an electromagnetic plane wave background with , which can be realized in a medium w…
Testing new-physics scenarios with the combined LHAASO and Carpet-3 fluence spectrum of GRB 221009A: axion-like particles and Lorentz-invariance violation
P. S. Satunin, S. V. Troitsky
From gamma-ray burst (GRB) 221009A, very high-energy photons were detected: >10 TeV with LHAASO and >100 TeV with Carpet-3. Such energetic photons are expected to be absorbed via e…
Ultra-high-energy event KM3-230213A constraints on Lorentz Invariance Violation in neutrino sector
Petr Satunin
We discuss the constraints on superluminal neutrino Lorentz Invariance Violation (LIV) parameters from the observation of the ultra-high-energy event KM3-230213A by KM3NeT collabor…
Hypothetical Lorentz invariance violation and the muon content of extensive air showers
Nickolay S. Martynenko, Grigory I. Rubtsov, Petr S. Satunin +2
Extensive air showers (EAS), produced by cosmic rays in the atmosphere, serve as probes of particle interactions, providing access to energies and kinematical regimes beyond the re…
Probing axion-like particles with RF cavities separated by thin barrier
Dmitry Salnikov, Petr Satunin, D. V. Kirpichnikov
We address the Light-Shining-Through-a-thin-Wall (LSthinW) laboratory setup to estimate the sensitivity of axion-like particle (ALP) detection using two radio-frequency (RF) caviti…
Light-shinning-through-thin-wall radio frequency cavities for probing dark photon
Dmitry Salnikov, Petr Satunin, Leysan Valeeva +1
We address the radio frequency (RF) cavity experiment for probing dark photons, which is a modification of the light-shining-through-thin-wall (LSthinW) setup with a relatively thi…
Shower formation constraints on cubic Lorentz Invariance Violation parameters in quantum electrodynamics
Petr Satunin, Andrey Sharofeev
We present shower formation constraints on the Lorentz Invariance Violation (LIV) energy scale for photons with cubic dispersion relation from recent gamma ray observations in $100…
Resonant generation of high-order harmonics in nonlinear electrodynamics
Ilia Kopchinskii, Petr Satunin
We study the process of resonant generation of high-order harmonics in a closed cavity in the model of vacuum nonlinear electrodynamics. Concretely, we study the possibility of res…
Resonant generation of electromagnetic modes in nonlinear electrodynamics: Quantum perturbative approach
Ilia Kopchinskii, Petr Satunin
The paper studies resonant generation of higher-order harmonics in a closed cavity in Euler-Heisenberg electrodynamics from the point of view of pure quantum field theory. We consi…
Light-shining-through-wall cavity setups for probing ALPs
Dmitry Salnikov, Petr Satunin, D. V. Kirpichnikov +1
We discuss the aspects of axion-like-particles (ALPs) searches with Light-Shining-through-Wall (LSW) experimental setups consisted of two radio-frequency cavities. We compare the e…
Quantum gravity phenomenology at the dawn of the multi-messenger era -- A review
A. Addazi, J. Alvarez-Muniz, R. Alves Batista +157
The exploration of the universe has recently entered a new era thanks to the multi-messenger paradigm, characterized by a continuous increase in the quantity and quality of experim…
On resonant generation of electromagnetic modes in nonlinear electrodynamics: Classical approach
Ilia Kopchinskii, Petr Satunin
The paper explores a theoretical possibility of resonant amplification of electromagnetic modes generated by a nonlinear effect in Euler-Heisenberg electrodynamics. Precisely, we e…
Two-sided constraints on Lorentz Invariance violation from Tibet-AS and LHAASO Very-High-Energy photon observations
Petr Satunin
We present new two-sided constraints on Lorentz Invariance violation energy scale for photons with quartic dispersion relation from recent gamma ray observations by Tibet-AS and…
Examining axion-like particles with superconducting radio-frequency cavity
Dmitry Salnikov, Petr Satunin, D. V. Kirpichnikov +1
We address production of massive axion-like particles by two electromagnetic modes inside a superconducting radio-frequency (SRF) cylindrical cavity. We discuss in detail the choic…
New constraints on Lorentz Invariance violation from Crab Nebula spectrum beyond TeV
Petr Satunin
Recently two collaborations, Tibet and HAWC, presented new measurements of gamma-ray spectrum from Crab Nebula \cite{Amenomori:2019rjd},\cite{Abeysekara:2019edl} which continues be…
Photon splitting constraint on Lorentz Invariance Violation from Crab Nebula spectrum
Konstantin Astapov, Dmitry Kirpichnikov, Petr Satunin
We calculate the decay width of the photon splitting into three photons in a model of quantum electrodynamics with broken Lorentz invariance. We show that this process can lead to…
One-loop correction to the photon velocity in Lorentz-violating QED
Petr Satunin
We calculate a finite momentum-dependent part of the photon polarization operator in a simple model of Lorentz-violating quantum electrodynamics nonperturbatively at all orders of…
Constraints on violation of Lorentz invariance from atmospheric showers initiated by multi-TeV photons
Grigory Rubtsov, Petr Satunin, Sergey Sibiryakov
We discuss the effect of hypothetical violation of Lorentz invariance at high energies on the formation of atmospheric showers by very-high-energy gamma rays. In the scenario where…
A study of neutral particle decay in magnetic field with the "Worldline Instanton" approach
Petr Satunin
We study the process of neutrino decay to electron and -boson in the external magnetic field using the semiclassical "worldline instanton" approach. Being interested only in the…
Prospective constraints on Lorentz violation from ultrahigh-energy photon detection
Grigory Rubtsov, Petr Satunin, Sergey Sibiryakov
We point out that violation of Lorentz invariance affects the interaction of high-energy photons with the Earth's atmosphere and magnetic field. In certain parameter region this in…
The influence of Lorentz violation on UHE photon detection
Grigory Rubtsov, Petr Satunin, Sergey Sibiryakov
We show that violation of the Lorentz symmetry in quantum electrodynamics can suppress the rates of the interactions crucial for the formation of photon-induced air showers, such a…
Width of photon decay in magnetic field: elementary semiclassical derivation and sensitivity to Lorentz violation
Petr Satunin
We present an elementary derivation of the width of photon decay in a weak magnetic field using the semiclassical method of worldline instantons. The calculation is generalized to…