G. Vasilyev
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View article: Boron isotopes in the PAMELA experiment
Boron isotopes in the PAMELA experiment Open
In this work, a new analysis of the isotopic composition of boron nuclei (B) in galactic cosmic rays (GCR) in the range of rigidities of 1–5 GV (nuclear energies 0.1–1.5 GeV/nucleon) was carried out using data from the PAMELA space experim…
View article: Helium Fluxes Measured by the PAMELA Experiment from the Minimum to the Maximum Solar Activity for Solar Cycle 24
Helium Fluxes Measured by the PAMELA Experiment from the Minimum to the Maximum Solar Activity for Solar Cycle 24 Open
Time-dependent energy spectra of galactic cosmic rays (GCRs) carry fundamental information regarding their origin and propagation. When observed at the Earth, these spectra are significantly affected by the solar wind and the embedded sola…
View article: Beryllium Isotopes in the PAMELA Experiment
Beryllium Isotopes in the PAMELA Experiment Open
Analysis of the isotopic composition of nuclei in galactic cosmic rays (GCR) in the orbital experiment of the PAMELA collaboration makes it possible to study the problems of the origin and propagation of cosmic rays in the Galaxy. The data…
View article: East–West Proton Flux Anisotropy Observed with the PAMELA Mission
East–West Proton Flux Anisotropy Observed with the PAMELA Mission Open
We present a study of the east–west anisotropy of trapped-proton fluxes in low-Earth orbit based on the measurements of the Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics (PAMELA) experiment. The differential inten…
View article: Carbon Isotopes in the PAMELA Experiment
Carbon Isotopes in the PAMELA Experiment Open
An analysis of the isotopic composition of nuclei in galactic cosmic rays (GCR) in the orbital experiment of the PAMELA collaboration allows us to study the problems of the origin and propagation of cosmic rays in the Galaxy. Due to the hi…
View article: Time Dependence of the Flux of Helium Nuclei in Cosmic Rays Measured by the PAMELA Experiment between 2006 July and 2009 December
Time Dependence of the Flux of Helium Nuclei in Cosmic Rays Measured by the PAMELA Experiment between 2006 July and 2009 December Open
Precise time-dependent measurements of the Z = 2 component in the cosmic radiation provide crucial information about the propagation of charged particles through the heliosphere. The PAMELA experiment, with its long flight duration (2006 J…
View article: Time dependence of the proton and helium flux measured by PAMELA
Time dependence of the proton and helium flux measured by PAMELA Open
The energy spectra of galactic cosmic rays carry fundamental information regarding their origin and propagation, but, near Earth, cosmic rays are significantly affected by the solar magnetic field which changes over time. The time dependen…
View article: Cosmic Rays Investigation by the PAMELA experiment
Cosmic Rays Investigation by the PAMELA experiment Open
PAMELA (Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics) is a satellite-borne experiment. It was launched on June 15th 2006 from the Baikonur space centre on board the Russian Resurs-DK1 satellite. For about 10 year…
View article: Time dependence of the helium flux measured by PAMELA
Time dependence of the helium flux measured by PAMELA Open
Precision measurements of the Z = 2 component in cosmic radiation provide crucial information about the origin and propagation of the second most abundant cosmic ray species in the Galaxy (9% of the total). These measurements, acquired wit…
View article: Ten Years of PAMELA in Space
Ten Years of PAMELA in Space Open
The PAMELA cosmic ray detector was launched on June 15th 2006 on board the Russian Resurs-DK1 satellite, and during ten years of nearly continuous data-taking it has observed new interesting features in cosmic rays (CRs). In a decade of op…
View article: Unexpected Cyclic Behavior in Cosmic-Ray Protons Observed by PAMELA at 1 au
Unexpected Cyclic Behavior in Cosmic-Ray Protons Observed by PAMELA at 1 au Open
Protons detected by the PAMELA experiment in the period 2006–2014 have been analyzed in the energy range between 0.40 and 50 GV to explore possible periodicities besides the well known solar undecennial modulation. An unexpected clear and …
View article: Short-term variation in the galactic cosmic ray intensity measured with the PAMELA experiment
Short-term variation in the galactic cosmic ray intensity measured with the PAMELA experiment Open
New results on the galactic cosmic ray (GCR) short-term intensity variation associated with Forbush decrease and co-rotating interaction regions (CIRs) measured by the PAMELA instrument between November 2006 and March 2007 are presented. M…
View article: Spectra of solar neutrons with energies of ~10–1000 MeV in the PAMELA experiment in the flare events of 2006–2015
Spectra of solar neutrons with energies of ~10–1000 MeV in the PAMELA experiment in the flare events of 2006–2015 Open
The first results from measuring the spectra of solar neutrons with energies of ~10–1000 MeV in the solar flares of 2006–2015 observed by the PAMELA international space experiment are presented. The PAMELA neutron detector with 3He counter…
View article: Solar modulation of cosmic deuteron fluxes in the PAMELA experiment
Solar modulation of cosmic deuteron fluxes in the PAMELA experiment Open
The preliminary results from measurements of deuteron fluxes in galactic cosmic rays (GCR) in the vicinity of the Earth in 2006–2009 are presented. The results are obtained by analyzing data from the PAMELA experiment aboard the Resurs DK-…
View article: The PAMELA experiment: a decade of Cosmic Ray Physics in space
The PAMELA experiment: a decade of Cosmic Ray Physics in space Open
The PAMELA detector was launched on June 15 th of 2006 on board the Russian Resurs-DK1 satellite and during ten years of continuous data-taking it has observed very interesting features in cosmic rays, especially in the fluxes of protons, …
View article: Solar modulation of galactic cosmic rays during 2006-2015 based on PAMELA and ARINA data
Solar modulation of galactic cosmic rays during 2006-2015 based on PAMELA and ARINA data Open
Solar modulation of galactic protons with energies from 50 MeV up to dozens of GeV during July '06 - January '16 studied based on a data of the magnetic spectrometer PAMELA and scintillation spectrometer ARINA. This period is interesting b…
View article: Time Dependence of the Electron and Positron Components of the Cosmic Radiation Measured by the PAMELA Experiment between July 2006 and December 2015
Time Dependence of the Electron and Positron Components of the Cosmic Radiation Measured by the PAMELA Experiment between July 2006 and December 2015 Open
Cosmic-ray electrons and positrons are a unique probe of the propagation of cosmic rays as well as of the nature and distribution of particle sources in our Galaxy. Recent measurements of these particles are challenging our basic understan…
View article: The high energy cosmic ray particle spectra measurements with the PAMELA calorimeter
The high energy cosmic ray particle spectra measurements with the PAMELA calorimeter Open
Measurements of the high energy proton and helium spectra with the PAMELA calorimeter.
View article: Space Weather Quarterly Volume 13, Issue 2, 2016
Space Weather Quarterly Volume 13, Issue 2, 2016 Open
images at 13.1 nm showing plasma structures heated to ~10 MK.These images have been de-noised courtesy of Barbara Thompson, NASA Goddard Space Flight Center.The images were also part of a larger analysis related to magnetic reconnection on…
View article: PAMELA's measurements of geomagnetic cutoff variations during the 14 December 2006 storm
PAMELA's measurements of geomagnetic cutoff variations during the 14 December 2006 storm Open
Data from the Payload for Antimatter Matter Exploration and Light‐nuclei Astrophysics (PAMELA) satellite experiment were used to measure the geomagnetic cutoff for high‐energy (≳ 80MeV) protons during the 14 December 2006 geomagnetic storm…
View article: Perspectives of the GAMMA-400 space observatory for high-energy gamma rays and cosmic rays measurements
Perspectives of the GAMMA-400 space observatory for high-energy gamma rays and cosmic rays measurements Open
The GAMMA-400 gamma-ray telescope is intended to measure the fluxes of gamma-rays and cosmic-ray electrons and positrons in the energy range from 100 MeV to several TeV. Such measurements concern the following scientific tasks: investigati…
View article: Features of re-entrant albedo deuteron trajectories in near Earth orbit with PAMELA experiment
Features of re-entrant albedo deuteron trajectories in near Earth orbit with PAMELA experiment Open
The results of trajectory reconstruction for re-entrant albedo deuteron fluxes obtained in the PAMELA experiment are presented in this work. PAMELA is an international experiment aimed on measureme ...
View article: The May 17, 2012 solar event: back-tracing analysis and flux reconstruction with PAMELA
The May 17, 2012 solar event: back-tracing analysis and flux reconstruction with PAMELA Open
The PAMELA space experiment is providing first direct observations of Solar Energetic Particles (SEPs) with energies from about 80 MeV to several GeV in near-Earth orbit, bridging the low energy measurements by other spacecrafts and the Gr…
View article: The measurement of the dipole anisotropy of protons and helium cosmic rays with the PAMELA experiment
The measurement of the dipole anisotropy of protons and helium cosmic rays with the PAMELA experiment Open
In the framework of the PAMELA experiment the features of the large-scale anisotropy have been measured within the energy range 1-20 TeV/n. The measurements were carried out with the use of the calorimeter on the base of the hypothesis abo…
View article: The GAMMA-400 gamma-ray telescope for precision gamma-ray emission investigations
The GAMMA-400 gamma-ray telescope for precision gamma-ray emission investigations Open
The GAMMA-400 gamma-ray telescope with excellent angular and energy resolutions is designed to search for signatures of dark matter in the fluxes of gamma-ray emission and electrons + positrons. Precision investigations of gamma-ray emissi…