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Time dependence of the e-flux measured by PAMELA during the 2006 July-2009 December solar minimum
(IOP Publishing, 2015)
Precision measurements of the electron component of cosmic radiation provide important information about the
origin and propagation of cosmic rays in the Galaxy not accessible from the study of cosmic-ray nuclear
components ...
The effect of a dynamic inner heliosheath thickness on cosmic-ray modulation
(IOP Publishing, 2015)
The time-dependent modulation of galactic cosmic rays in the heliosphere is studied over different polarity cycles by
computing 2.5 GV proton intensities using a two-dimensional, time-dependent modulationmodel. By ...
A numerical simulation of cosmic-ray modulation near the heliopause
(IOP Publishing, 2015)
Based on a hybrid galactic cosmic-ray transport model, which incorporated MHD global heliospheric data into
Parker’s cosmic-ray transport equation, we studied the behavior of the transport of galactic cosmic rays and ...
On aspects pertaining to the perpendicular diffusion of solar energetic particles
(IOP Publishing, 2015)
The multitude of recent multi-point spacecraft observations of solar energetic particle (SEP) events has made it
possible to study the longitudinal distribution of SEPs in great detail. SEPs, even those accelerated during ...
New modeling of galactic proton modulation during the minimum of solar cycle 23/24
(IOP Publishing, 2015)
During the recent prolonged solar minimum of cycle 23/24, the PAMELA detector measured 27-day averaged
Galactic proton energy spectra over the energy range that is important for solar modulation. By comparing these
spectra ...
A detailed calculation of neutral hydrogen ionization frequencies used in turbulence transport models in the heliosphere
(EDP Sciences, 2015)
It is generally accepted that the solar wind is significantly heated beyond ~10 AU by the turbulent decay of pickup ion generated Alfvénic fluctuations. Here, we present a detailed and general calculation of the pickup ion ...
Modelling anomalous cosmic ray oxygen in the heliosheath
(EDP Sciences, 2010)
This paper discusses a numerical modulation model to describe anomalous cosmic ray acceleration and transport in the heliosheath, the portion of the heliosphere between the termination shock and the heliopause. The model ...
The modulation of galactic cosmic-ray electrons in the heliosheath
(IOP Publishing, 2010)
Voyager 1 has observed strong increases in the intensities of 2-160 MeV electrons since crossing the termination shock of the heliosphere in 2004 December. Before this time these intensities were submerged below the detector ...
Modulation of galactic electrons in the heliosphere during the unusual solar minimum of 2006-2009: a modeling approach
(IOP Publishing, 2015)
The last solar minimum activity period, and the consequent minimum modulation conditions for cosmic rays, was
unusual. The highest levels of Galactic protons were recorded at Earth in late 2009 in contrast to expectations. ...
Ionization rates in the heliosheath and in astrosheaths: spatial dependence and dynamical relevance
(EDP Sciences, 2014)
Context. In the heliosphere, especially in the inner heliosheath, mass-, momentum-, and energy-loading induced by the ionization of
neutral interstellar species plays an important, but for some species, especially helium, ...