Cosmic Rays in Magnetospheres of the Earth and other Planets

This monograph describes the behavior of cosmic rays (CR), mostly in the magnetosphere of the Earth and of some other planets. Recently this has become an important topic both theoretically and practically.


The problem of cosmic ray (CR) geomagnetic effects came to the fore at the beg- ning of the 1930s after the famous expeditions by J. Clay onboard ship (Slamat) between the Netherlands and Java using an ionization chamber. Many CR la- tude expeditions were organized by the famous scientists and Nobel Laureates R. Millikan and A. Compton. From the obtained latitude curves it follows that CRs cannot be gamma rays (as many scientists thought at that time), but must be charged particles. From measurements of azimuthally geomagnetic effect at that time it also followed that these charged particles must be mostly positive (see Chapter 1, and for more details on the history of the problem see monographs of Irina Dorman, M1981, M1989). The ?rst explanations of obtained results were based on the simple dipole - proximation of the geomagnetic ?eld and the theory of energetic charged particles moving in dipole magnetic ?elds, developed in 1907 by C. Stormer ¨ to explain the aurora phenomenon. Let us note that it was made about 5 years before V. Hess discovered CRs, and received the Nobel Prize in 1936 together with K. Anderson (for the discovery of CR and positrons in CR).

A comprehensive account of the physics describing the interaction of Cosmic Rays with planetary atmospheres, and reference of missions and their results measuring cosmic rays on Earth.

Klappentext
This monograph describes the behaviour of cosmic rays in the magnetosphere of the Earth and of some other planets. Recently this has become an important topic both theoretically, because it is closely connected with the physics of the Earth's magnetosphere, and practically, since cosmic rays determine a significant part of space weather effects on satellites and aircraft. The book contains eight chapters, dealing with     The history of the discovery of geomagnetic effects caused by cosmic rays and their importance for the determination of the nature of cosmic rays or gamma rays     The first explanations of geomagnetic effects within the framework of the dipole approximation of the Earth's magnetic field     Trajectory computations of cutoff rigidities, transmittance functions, asymptotic directions, and acceptance cones in the real geomagnetic field taking into account higher harmonics     Cosmic ray latitude-longitude surveys on ships, trains, tracks, planes, balloons and satellites for determining the planetary distribution of the intensity of cosmic rays and how it changes with time     Geomagnetic time variations of cosmic rays caused by the changing of internal sources of Earth's main magnetic field and variable magnetospheric current systems     Magnetospheric models and how to check them by galactic and solar cosmic rays     The behaviour of cosmic rays in the atmospheres and magnetospheres of Venus, Mars, and Jupiter. The work concludes with a discussion of future developments and unsolved problems and contains a list of about thousand full references. This book will be of great interest to experts and students in cosmic ray research, solar-terrestrial physics, magnetosphere physics, and spacephysics.

Inhalt
First Measurements of Cosmic Ray Geomagnetic Effects and the Problem of CR Nature.- Cosmic Rays in the Dipole Geomagnetic Field.- Cosmic Rays in the Real Geomagnetic Field.- Cosmic Ray Planetary Surveys on Ships, Trains, Tracks, Planes, Balloons, and Satellites.- Main Results of Cosmic Ray Survey to Antarctica on the Ship Italica in 1996/97.- Geomagnetic Variations of Cosmic Rays.- Magnetospheric Models and their Checking by Cosmic Rays.- Galactic Cosmic Rays in Atmospheres and Magnetospheres of Other Planets.

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