output
19922026
Showing hep-phShow all

541 papers · 1 filter

hep-ph2025★ 1 cited

Constraining Yukawa-type interaction and coupling constant of axionlike particles to nucleons from recent measurement of the Casimir-Polder interaction

G. L. Klimchitskaya, V. M. Mostepanenko

We derive constraints on the parameters of the Yukawa-type interaction and on the coupling constant of axionlike particles to nucleons from the results of recent diffraction experi…

hep-ph2025

Radiative Decays of Vector Mesons with Light-Cone Sum Rules

Zhi Jun Wang, Di Gao, Kai Kai Zhang +2

Hadronic electromagnetic form factors and radiative decay properties offer a crucial window into the nonperturbative dynamics of Quantum chromodynamics (QCD). In this work, we empl…

hep-ph2025★ 3 cited

Exclusive semileptonic decays of and mesons into orbitally and radially excited states of strange and light mesons

V. O. Galkin, I. S. Sukhanov

Semileptonic decays of and mesons into orbitally and radially excited strange and light mesons are studied in detail within the framework of the relativistic quark model…

hep-ph2023

Constraints on axion-like ultralight dark matter from observations of the HL Tauri protoplanetary disk

D. Davydov, Alexander Libanov

Dark matter may consist of axion-like particles (ALPs). When polarized electromagnetic radiation passes through the dark-matter media, interaction with background ALPs affects the…

hep-ph2023★ 18 cited

Relativistic description of asymmetric fully heavy tetraquarks in the diquark-antidiquark model

V. O. Galkin, E. M. Savchenko

Masses of the ground, orbitally and radially excited states of the asymmetric fully heavy tetraquarks, composed of charm (c) and bottom (b) quarks and antiquarks are calculated in…

hep-ph2022★ 4 cited

Higgs-dilaton model revisited: can dilaton act as QCD axion?

Aleksandr I. Belokon, Anna Tokareva

The Standard Model Lagrangian has an approximate scale symmetry in the high-energy limit. This observation can be included in the fundamental principle of the ultimate theory of Na…

hep-ph2022★ 57 cited

Fully-heavy tetraquark spectroscopy in the relativistic quark model

R. N. Faustov, V. O. Galkin, E. M. Savchenko

Masses of the ground and excited (1P, 2S, 1D, 2P, 3S) states of the fully-heavy tetraquarks, composed of charm () and bottom () quarks and antiquarks, are calculated in the d…

hep-ph2022★ 4 cited

Rare radiative decay in the relativistic quark model

A. O. Davydov, R. N. Faustov, V. O. Galkin

Recently the LHCb collaboration put the upper limit on the decay branching ratio . The measured…

hep-ph2022★ 25 cited

Relativistic description of the semileptonic decays of bottom mesons

R. N. Faustov, V. O. Galkin, Xian-Wei Kang

The form factors of the semileptonic , and meson decays are calculated in the framework of the relativistic quark model based on the quasipotential approach in QCD.…

hep-ph2021★ 38 cited

Triply heavy baryon spectroscopy in the relativistic quark model

R. N. Faustov, V. O. Galkin

Triply heavy baryons are investigated in the framework of the relativistic quark model based on the quark-diquark picture in the quasipotential approach in QCD. Masses of the groun…

hep-ph2021★ 106 cited

Heavy tetraquarks in the relativistic quark model

R. N. Faustov, V. O. Galkin, E. M. Savchenko

We give a review of the calculations of the masses of tetraquarks with two and four heavy quarks in the framework of the relativistic quark model based on the quasipotential approa…

hep-ph2020★ 10 cited

Jet quenching with -dependent running coupling

B. G. Zakharov

We perform an analysis of jet quenching in heavy ion collisions at RHIC and LHC energies with the temperature dependent running QCD coupling. Our results show that the -dependen…

hep-ph2020★ 87 cited

Masses of the tetraquarks in the relativistic diquark--antidiquark picture

R. N. Faustov, V. O. Galkin, E. M. Savchenko

Masses of the ground-state teraquarks composed from heavy and quarks and antiquarks are calculated in the diquark-antidiquark picture in the framework of the relativistic q…

hep-ph2020★ 5 cited

Photon Collider for energies 1-2 TeV

Ilya F. Ginzburg, Gleb L. Kotkin

We discuss a photon collider based on the \ linear collider with energies of TeV in cms (ILC, CLIC, ...). Previously, this energy range was considered hopeless…

hep-ph2020★ 24 cited

Gravitational reheating and superheavy Dark Matter creation after inflation with non-minimal coupling

E. Babichev, D. Gorbunov, S. Ramazanov +1

We discuss the gravitational creation of superheavy particles in an inflationary scenario with a quartic potential and a non-minimal coupling between the inflaton and the R…

hep-ph2020★ 7 cited

Inclusive electron scattering off C, Ca, and Ar: effects of the meson exchange currents

A. V. Butkevich, S. V. Luchuk

The scattering of electrons on carbon, calcium, and argon targets are analyzed using an approach that incorporates the contributions to the electromagnetic response functions from…

hep-ph2020★ 29 cited

Constraints on non-Newtonian gravity and axionlike particles from measuring the Casimir force in nanometer separation range

G. L. Klimchitskaya, P. Kuusk, V. M. Mostepanenko

We obtain constraints on the Yukawa-type corrections to Newton's gravitational law and on the coupling constant of axionlike particles to nucleons following from the experiment on…

hep-ph2019★ 7 cited

Implications of last NA64 results and the electron anomaly for the X(16.7) boson survival

N. V. Krasnikov

We point out that last NA64 bound on coupling constant of hypothetical vector boson with electrons plus the recent value of the anomalous electron magnetic moment exc…

hep-ph2019★ 15 cited

Search for decaying eV-mass axion-like particles using gamma-ray signal from blazars

A. Korochkin, A. Neronov, D. Semikoz

Decaying axion-like particles (ALP) with masses in the eV range which might occupy dark matter halos of the Milky Way and other galaxies produce a characteristic "bump" feature in…

hep-ph2019

Supernarrow Dibaryons

L. V. Fil'kov

An analysis of the experimental search for supernarrow dibaryons (SNDs) have been performed. The sum rules for SND masses have been constructed. The calculated values of the SND ma…

hep-ph2019★ 23 cited

Semileptonic baryon decays in the relativistic quark model

R. N. Faustov, V. O. Galkin

The form factors of the weak transitions are calculated in the framework of the relativistic quark model based on the quasipotential approach. All relativistic effect…

hep-ph2018★ 10 cited

Light hidden photon production in high energy collisions

S. Demidov, S. Gninenko, D. Gorbunov

The visible and dark sectors of particle physics can be connected via kinetic mixing between ordinary and hidden photons. If the latter is light its production in high energy colli…

hep-ph2018★ 12 cited

Dependence of five and six-loop estimated QCD corrections to the relation between pole and running masses of heavy quarks on the number of light flavours

A. L. Kataev, V. S. Molokoedov

In this paper various theoretical approaches are used to define the dependence of the estimated and -corrections to the QCD relation betwee…

hep-ph2018★ 26 cited

Relativistic description of the baryon semileptonic decays

R. N. Faustov, V. O. Galkin

Semileptonic decays of the baryon are studied in the framework of the relativistic quark-diquark model based on the quasipotential approach. The weak decay form factors are c…