Search Results - "Osipov, S M"

Ultrahard spectra of PeV neutrinos from supernovae in compact star clusters by Bykov, A. M., Ellison, D. C., Gladilin, P. E., Osipov, S. M.

“…Starburst regions with multiple powerful winds of young massive stars and supernova remnants are favourable sites for high-energy cosmic ray (CR) acceleration…”
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Cosmic ray current driven turbulence in shocks with efficient particle acceleration: the oblique, long-wavelength mode instability by Bykov, A. M., Osipov, S. M., Ellison, D. C.

“…In order for diffusive shock acceleration (DSA) to accelerate particles to high energies, the energetic particles must be able to interact with magnetic…”
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Simulation of Accelerated Particle Diffusion in Collisionless Shocks with an Admixture of Heavier-than-Hydrogen Ions by Kropotina, J. A., Bykov, A. M., Osipov, S. M., Ermolina, V. E., Romansky, V. I.

“…We report on the results of hybrid simulation of diffusive shock acceleration of ions with different charge-to-mass ratios in quasi-parallel collisionless…”
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Cosmic Ray Production in Supernovae by Bykov, A. M., Ellison, D. C., Marcowith, A., Osipov, S. M.

“…We give a brief review of the origin and acceleration of cosmic rays (CRs), emphasizing the production of CRs at different stages of supernova evolution by the…”
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Microphysics of Cosmic Ray Driven Plasma Instabilities by Bykov, A. M., Brandenburg, A., Malkov, M. A., Osipov, S. M.

“…Energetic nonthermal particles (cosmic rays, CRs) are accelerated in supernova remnants, relativistic jets and other astrophysical objects. The CR energy…”
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Non-linear model of particle acceleration at colliding shock flows by Bykov, A. M., Gladilin, P. E., Osipov, S. M.

“…Powerful stellar winds and supernova explosions with intense energy release in the form of strong shock waves can convert a sizeable part of the kinetic energy…”
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Acceleration of Cosmic Rays to Energies above 1015 eV by Transrelativistic Shocks by Bykov, A. M., Osipov, S. M., Romanskii, V. I.

“…MHD flows with transrelativistic 4-velocities Γβ ~ 1, which are realized in Ib/c-type supernovae and after the coalescence of neutron stars, are interesting as…”
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Particle-in-Cell Modeling of Cosmic Ray Acceleration in Fast Blue Optical Transients by Romansky, V. I., Bykov, A. M., Osipov, S. M.

“…Results are presented from modeling the acceleration of cosmic rays by subrelativistic shock waves (with velocities of 0.3 of the speed of light) using the…”
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Monte Carlo Modeling of Nonlinear Particle Acceleration by a Collisionless Shock Wave for Different Laws of Scattering by Osipov, S. M., Bykov, A. M.

“…A nonlinear Monte Carlo model is presented in which the spectra of accelerated particles and magnetic fluctuations are calculated self-consistently, allowing…”
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Young Star Clusters as Sources of Galactic Cosmic Rays Rich in 22Ne by Kalyashova, M. E., Bykov, A. M., Osipov, S. M.

“…An excess of 22 Ne/ 20 Ne in the isotopic composition of cosmic rays was discovered more than 40 years ago. Isotopic ratio 22 Ne/ 20 Ne measured in cosmic rays…”
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Unstable Plasma Modes Amplified by Cosmic Rays in the Upstream of Collisionless Shock by Bykov, A. M., Osipov, S. M.

“…—Nonequilibrium distributions of cosmic rays accelerated by the Fermi mechanism are formed by multiple interactions with magnetic fluctuations in the upstream…”
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ANOMALOUS WIDENING OF 5434.5 LINE IN SUNSPOTS: SUPER-STRONG MAGNETIC FIELDS? by Lozitsky, V. G., Osipov, S. M., Stodilka, M. I.

“…We present results of spectral observations of two sunspots in six metal lines near Fe I 5434.5 Å, which have effective Lande factors g eff from – 0.014 to…”
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High-energy cosmic rays from supernovae in young clusters of massive stars by Bykov, A. M., Ellison, D. C., Kalyashova, M. E., Osipov, S. M.

“…While the bulk of GeV–100 TeV cosmic rays (CRs) can be accelerated at the shock of the most common supernova remnants the problem of CR acceleration to and…”
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Compact Star Clusters as Sources of Cosmic Rays and Neutrinos by Gladilin, P. E., Bykov, A. M., Osipov, S. M., Romansky, V. I.

“…The origin of cosmic rays is one of the most important questions in modern astrophysics. Leading world observatories are engaged in their search in our Galaxy…”
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Cosmic ray acceleration and non-thermal emission from fast luminous optical transient sources by Romansky, V. I, Bykov, A. M, Osipov, S. M

“…Advances in Space Research, 2024 Fast blue optical transients (FBOTs) represent a new class of highly energetic sources observed from radio to X-rays. High…”
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Long-wavelength MHD instability in the prefront of collisionless shocks with accelerated particles by Bykov, A. M., Osipov, S. M., Toptygin, I. N.

“…Collisionless shocks in turbulent space plasmas accelerate particles by the Fermi mechanism to ultrarelativistic energies. The interaction of accelerated…”
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INTEGRAL observations of the SNR IC443 region by Bocchino, F., Krassilchtchikov, A.M., Kretschmar, P., Bykov, A.M., Uvarov, Yu.A., Osipov, S.M.

“…IC433 is a supernova remnant (SNR) interacting with a molecular cloud. The field of IC443 also contains an unidentified gamma-ray source 3EG J0617 + 2238…”
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Cosmic ray acceleration and non-thermal emission from fast luminous optical transient sources by Romansky, V.I., Bykov, A.M., Osipov, S.M.

“…Fast blue optical transients (FBOTs) represent a new class of highly energetic sources observed from radio to X-rays. High luminosity, light curves and spectra…”
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Acceleration of Cosmic Rays to Energies above 10.sup.15 eV by Transrelativistic Shocks by Bykov, A. M, Osipov, S. M, Romanskii, V. I

“…MHD flows with transrelativistic 4-velocities [GAMMA][beta] ~ 1, which are realized in Ib/c-type supernovae and after the coalescence of neutron stars, are…”
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High-energy cosmic rays from compact galactic star clusters: particle fluxes and anisotropy by Bykov, A. M, Kalyashova, M. E, Ellison, D. C, Osipov, S. M

“…Advances in Space Research, 2019, Volume 64, Issue 12, p. 2439-2444 It has been shown that supernova blast waves interacting with winds from massive stars in…”
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