Cosmic rays in the inner heliosphere: Insights from observations, theory and models

MS Potgieter - Space Science Reviews, 2013 - Springer
The global modulation of galactic cosmic rays in the inner heliosphere is determined by four
major mechanisms: convection, diffusion, particle drifts (gradient, curvature and current …

Theory and modeling of galactic cosmic rays: Trends and prospects

J Kóta - Space Science Reviews, 2013 - Springer
We address past and future trends in the theory and modeling of galactic cosmic rays in the
heliosphere, and select some of the outstanding issues where future progress is anticipated …

Monitoring short-term cosmic-ray spectral variations using neutron monitor time-delay measurements

D Ruffolo, A Saiz, PS Mangeard… - The Astrophysical …, 2016 - iopscience.iop.org
Neutron monitors (NMs) are ground-based detectors of cosmic-ray showers that are widely
used for high-precision monitoring of changes in the Galactic cosmic-ray (GCR) flux due to …

A numerical study of the effects of corotating interaction regions on cosmic-ray transport

X Luo, M Zhang, X Feng, MS Potgieter… - The Astrophysical …, 2020 - iopscience.iop.org
The intensity of galactic cosmic rays (GCRs) is modulated by solar activity on various
timescales. In this study, we performed comprehensive numerical modeling of the solar …

Study of the 27 day variations in GCR fluxes during 2007–2008 based on PAMELA and ARINA observations

R Modzelewska, GA Bazilevskaya… - The Astrophysical …, 2020 - iopscience.iop.org
Using measurements from the PAMELA and ARINA spectrometers on board the Resurs-
DK1 satellite, we have examined the 27 day intensity variations in galactic cosmic ray (GCR) …

Characteristics and energy dependence of recurrent galactic cosmic-ray flux depressions and of a Forbush decrease with LISA Pathfinder

M Armano, H Audley, J Baird, M Bassan… - The Astrophysical …, 2018 - iopscience.iop.org
Galactic cosmic-ray (GCR) energy spectra observed in the inner heliosphere are modulated
by the solar activity, the solar polarity and structures of solar and interplanetary origin. A high …

A study of heliospheric modulation and periodicities of galactic cosmic rays during cycle 24

P Chowdhury, K Kudela, YJ Moon - Solar Physics, 2016 - Springer
Galactic cosmic rays (GCRs) are energetic, charged particles coming from outside the solar
system. These particles encounter an outward-moving turbulent solar wind with cyclic …

Simulations and machine learning models for cosmic-ray short-term variations and test-mass charging on board LISA

M Villani, F Sabbatini, A Cesarini, M Fabi… - Experimental …, 2024 - Springer
Energetic particles of galactic and solar origin charge the metal free-falling test masses
(TMs) of the interferometers for gravitational wave detection in space. The deposited charge …

Tracking cosmic-ray spectral variation during 2007–2018 using neutron monitor time-delay measurements

C Banglieng, H Janthaloet, D Ruffolo… - The Astrophysical …, 2020 - iopscience.iop.org
The energy spectrum of Galactic cosmic-ray (GCR) ions at Earth varies with solar activity as
these ions cross the heliosphere. Thus, this" solar modulation" of GCRs provides remote …

Third harmonic of the 27 day periodicity of galactic cosmic rays: Coupling with interplanetary parameters

I Sabbah, K Kudela - Journal of Geophysical Research: Space …, 2011 - Wiley Online Library
Spectral analysis of neutron monitors and muon telescope daily averages counts shows a
significant higher harmonic (∼ 9 day) of the 27 day variation of galactic cosmic rays (CRs) …