On the fractal properties of cosmic rays and Sun dynamics cross-correlations

We investigate the cosmic rays and ten physical parameters of heliosphere behavior considering the scaling features of their temporal evolution. Our analysis start with the cosmic rays measurements by a neutron monitor station located in Moscow, as well sunspot, Ap index, Na/Np, Alfven mach number,...

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Bibliographic Details
Published in:Astrophysics and space science 2022-12, Vol.367 (12), p.116, Article 116
Main Author: Sierra-Porta, D.
Format: Article
Language:English
Subjects:
Astrobiology
Astronomy
Astrophysics
Astrophysics and Astroparticles
Charged particles
Correlation analysis
Cosmic ray showers
Cosmic rays
Cosmology
Cross correlation
DST Index
Fractals
Heliosphere
Interplanetary magnetic field
KP index
Mach number
Magnetic fields
Observations and Techniques
Parameters
Physical properties
Physics
Physics and Astronomy
Radiation
Self-similarity
Singularities
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Stars & galaxies
Sun
Sunspots
Time series
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Summary:We investigate the cosmic rays and ten physical parameters of heliosphere behavior considering the scaling features of their temporal evolution. Our analysis start with the cosmic rays measurements by a neutron monitor station located in Moscow, as well sunspot, Ap index, Na/Np, Alfven mach number, DST index, Kp index, Plasma beta ( β ), Proton temperature, F 10.7 index and Field magnitude | B | (Interplanetary Magnetic Field, IMF), for the period 1976 to early 2020. Each of these datasets was analyzed by using the Multifractal Detrended Fluctuation Analysis and Multifractal Detrended Cross-Correlation Analysis in order to investigate intrinsic properties, like self-similarity and the spectrum of singularities. The main result obtained is that the cosmic rays time series as well the 10 heliospheric parameters exhibit positive long-range correlations with multifractal behavior.
ISSN:0004-640X
1572-946X
DOI:10.1007/s10509-022-04151-5