336 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Max Planck Institute for Nuclear PhysicsDE30 papers
- Max Planck SocietyDE20 papers
- Russian Academy of SciencesRU8 papers
- Institute for Nuclear ResearchRU6 papers
- Siberian Branch of the Russian Academy of SciencesRU3 papers
- Istituto Nazionale di Fisica Nucleare, Sezione di TorinoIT2 papers
- Kavli Institute for the Physics and Mathematics of the UniverseJP2 papers
- Lomonosov Moscow State UniversityRU2 papers
- National Institute for AstrophysicsIT2 papers
- New York UniversityUS2 papers
- North Carolina State UniversityUS2 papers
- Norwegian University of Science and TechnologyNO2 papers
43 papers · 1 filter
Hadronic versus leptonic origin of the gamma-ray emission from Supernova Remnant RX J1713.7-3946
E. G. Berezhko, H. J. Völk
Aims. The hadronic vs. leptonic origin of the gamma-ray emission from the Supernova Remnant RX J1713.7-3946 is discussed both in the light of new observations and from a theoretica…
Inverse Compton gamma-ray models for remnants of Galactic type Ia supernovae?
H. J. Voelk, L. T. Ksenofontov, E. G. Berezhko
We theoretically and phenomenologically investigate the question whether the gamma-ray emission from the remnants of the type Ia supernovae SN 1006, Tycho's SN and Kepler's SN can…
Cosmic Ray Acceleration by Supernova Shocks
E. G. Berezhko
We analyse the results of recent measurements of nonthermal emission from individual supernova remnants (SNRs) and their correspondence to the nonlinear kinetic theory of cosmic ra…
Cosmic rays from active galactic nuclei
E. G. Berezhko
Cosmic ray (CR) acceleration at the shock created by the expanding cocoons around active galactic nuclei (AGNs) is studied. It is shown that above the energy eV the overa…
Internal dynamics and particle acceleration in Tycho's SNR
H. J. Voelk, E. G. Berezhko, L. T. Ksenofontov
The consequences of a newly suggested value for the SN explosion energy 1.2x10^{51} erg are explored for the case of Tycho's supernova remnant (SNR). A nonlinear kinetic theory of…
A search for Extragalactic Sources of Ultrahigh-Energy Cosmic Rays
A. A. Ivanov
Possible extragalactic sources of cosmic rays at energies above 4*10^{19} eV detected with the Yakutsk array are sought. Correlation of the shower arrival directions with objects f…
Cosmic ray spectrum by energy scattered by EAS particles in the atmosphere and galactic model
S. P. Knurenko, A. A. Ivanov, A. V. Sabourov
The differential energy spectrum of cosmic rays from Cherenkov radiation measurements in EAS in the energy range of 10^15-10^20eV has been compared with an anomalous diffusion mode…
Muon content of ultra-high-energy air showers: Yakutsk data versus simulations
A. V. Glushkov, I. T. Makarov, M. I. Pravdin +4
We analyse a sample of 33 extensive air showers (EAS) with estimated primary energies above 2\cdot 10^{19} eV and high-quality muon data recorded by the Yakutsk EAS array. We compa…
On UHECR energy estimation algorithms based on the measurement of electromagnetic component parameters in EAS
A. A. Ivanov
Model calculations are performed of extensive air shower (EAS) component energies using a variety of hadronic interaction parameters. A conversion factor from electromagnetic compo…
Spectrum of cosmic rays, produced in supernova remnants
E. G. Berezhko, H. J. Voelk
Nonlinear kinetic theory of cosmic ray (CR) acceleration in supernova remnants is employed to calculate CR spectra. The magnetic field in SNRs is assumed to be significantly amplif…
Constraining the fraction of primary gamma rays at ultra-high energies from the muon data of the Yakutsk extensive-air-shower array
A. V. Glushkov, D. S. Gorbunov, I. T. Makarov +4
By making use of the data on the total signal and on the muon component of the air showers detected by the Yakutsk array, we analyze, in the frameworks of the recently suggested ev…
Recent results from Yakutsk experiment: development of EAS, energy spectrum and primary particle mass composition in the energy region of 10^15-10^19 eV
S. P. Knurenko, A. A. Ivanov, M. I. Pravdin +2
Experimental data obtained at the Yakutsk array after the modernization in 1993 are analyzed. The characteristics of EAS longitudinal and radial development found from the charged…
Magnetic field in supernova remnant SN 1987A
E. G. Berezhko, L. T. Ksenofontov
A nonlinear kinetic theory of cosmic ray (CR) acceleration in supernova remnants is employed to investigate the properties of the remnant SN 1987A. It is shown that a large downstr…
Gamma-ray emission expected from Kepler's SNR
E. G. Berezhko, L. T. Ksenofontov, H. J. Voelk
Nonlinear kinetic theory of cosmic ray (CR) acceleration in supernova remnants (SNRs) is used to investigate the properties of Kepler's SNR and, in particular, to predict the gamma…
Theory of cosmic ray production in the supernova remnant RX J1713.7-3946
E. G. Berezhko, H. J. Voelk
A nonlinear kinetic theory of cosmic ray (CR) acceleration in supernova remnants (SNRs) is employed to investigate the properties of SNR RX J1713.7-3946. Observations of the nonthe…
Upper limit on the ultra-high-energy photon flux from AGASA and Yakutsk data
G. I. Rubtsov, L. G. Dedenko, G. F. Fedorova +8
We present the interpretation of the muon and scintillation signals of ultra-high-energy air showers observed by AGASA and Yakutsk extensive air shower array experiments. We consid…
New evidence for strong nonthermal effects in Tycho's supernova remnant
H. J. Voelk, E. G. Berezhko, L. T. Ksenofontov
For the case of Tycho's supernova remnant (SNR) we present the relation between the blast wave and contact discontinuity radii calculated within the nonlinear kinetic theory of cos…
Dependence of the gamma-ray emission from SN 1006 on the astronomical parameters
L. T. Ksenofontov, E. G. Berezhko, H. J. Voelk
We use nonlinear kinetic theory to study the remnant dynamics and the particle acceleration as well as the properties of the nonthermal emission from the supernova remnant SN 1006.…
Spectrum of cosmic rays with energy above eV
S. P. Knurenko, V. P. Egorova, A. V. Glushkov +9
There are some discrepancies in the results on energy spectrum from Yakutsk, AGASA, and HiRes experiments. In this work differential energy spectrum of primary cosmic rays based on…
Fluctuations of Xmax and Primary Particle Mass Composition in the Range of Energy 5 10^{17} - 3 10^{19} ev by Yakutsk Data
S. P. Knurenko, A. A. Ivanov, V. A. Kolosov +3
The experimental distributions of $\Xmax$ obtained with the Yakutsk EAS array at fixed energies of , and eV are analysed. A recen…
Muons with E_th >= 1 Gev and Mass Composition in the Energy Range 10^{18}-10^{20} ev Observed by Yakutsk Eas Array
S. P. Knurenko, V. A. Kolosov, I. T. Makarov +3
The ratio of the muon flux density to charged particle flux density at distances of 300 and 600 m from the shower axis ($\rhom(300)/\rhos(300)$ and $\rhom(600)/\rhos(600)$) is meas…
Influence of Primary Cosmic Radiation Mass Composition on the Estimation of Eas Energy
S. P. Knurenko, A. A. Ivanov, V. A. Kolosov +3
At the Yakutsk EAS array E_em is determined by using measurements of EAS Cherenkov light flux and charged particle flux. It is known from calculations that these characteristics de…
Magnetic Field Amplification in Tycho and other Shell-type Supernova Remnants
H. J. Voelk, E. G. Berezhko, L. T. Ksenofontov
It is shown that amplification of the magnetic field in supernova remnants (SNRs) occurs in all six objects where morphological measurements are presently available in the hard X-r…
The spectrum features of UHECRs below and surrounding GZK
V. P. Egorova, A. V. Glushkov, A. A. Ivanov +10
The energy spectrum of UHECRs is discussed on the basis of the Yakutsk array database analysis. In the region E=0.1 to 30 EeV the showers are detected under trigger-500, while at e…