Frequently Used Abbreviations And Notations

Asid — amplitude of sidereal CR anisotropy CME — coronal mass ejections CR — cosmic rays

D(Ek) — differential energy spectrum of primary CR (dE/dt )ion — energy losses of particles on ionization

(dE/dt )brems — energy losses of electrons on generation of bremsstrahlung radiation

E — total energy of particles

Ek — kinetic energy of particles

Eo — total energy of primary CR particle

EAS — External Atmospheric Showers of CR

EHE — extra high energy CR (particles, gamma-rays, and so on)

ESA—European Space Agency

ESO — Israel-Italian Emilio Segre' Observatory (Mt. Hermon, Israel) F (Ek) — CR spectrum in sources

FEP — Flare Energetic Particles

GCR—galactic cosmic rays

GLE — Ground Level Enhancement of solar CR

H—vector of magnetic field

H — altitude h — atmospheric pressure ho — pressure on the level of observations

HMF — Heliospheric magnetic field

ICRC — International Cosmic Ray Conference

ICRC — Israel Cosmic Ray Center (from 1992)

ICRSWC — Israel Cosmic Ray and Space Weather Center (from 2003)

ICRS — International Cosmic Ray Service (proposed in 1991)

IGY — International Geophysical Year (July 1957-December 1958)

IHY — International Heliospheric Year (2007-2008)

IMF — interplanetary magnetic field

IQSY — International Quiet Sun Year (1964-1965)

IPY — International Polar Year (2007-2008)

ISS — International Space Station

IZMIRAN — Institut of Terrestrial Magnetism, Ionosphere, and Propagation of Radio-

Waves Russian Academy of Sciences Ji — ionization potential

L — mean path of particle interaction with magnetic inhomogeneities l — average distance between magnetic inhomogeneities xxxii

Frequently used Abbreviation s and Notations m = 1, 2, 3, ... — neutron multiplicities: number of pulses in NM from one neutron, proton,

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