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Solar Neutrons and Related Phenomena: Astrophysics and Space Science Library, cartea 365

Autor Lev Dorman
en Limba Engleză Hardback – 2 aug 2010
Short Historical Overview In the 1940s, two phenomena in the ?eld of cosmic rays (CR) forced scientists to think that the Sun is a powerful source of high-energy particles. One of these was discovered because of the daily solar variation of CR, which the maximum number of CR observed near noon (referring to the existence of continuous ?ux of CR from the direction of the Sun); this became the experimental basis of the theory that CR’s ´ originate from the Sun (or, for that matter, from within the solar system) (Alfven 1954). The second phenomenon was discovered when large ?uxes of high energy particles were detected from several solar ?ares, or solar CR. These are the - called ground level events (GLE), and were ?rst observed by ionization chambers shielded by 10 cm Pb (and detected mainly from the secondary muon-component CR that they caused) during the events of the 28th of February 1942, the 7th of March 1942, the 25th of July 1946, and the 19th of November 1949. The biggest such event was detected on the 23rd of February 1956 (see the detailed description in Chapters X and XI of Dorman, M1957). The ?rst phenomenon was investigated in detail in Dorman (M1957), by ?rst correcting experimental data on muon temperature effects and then by using coupling functions to determine the change in particle energy caused by the solar-diurnal CR variation.
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Specificații

ISBN-13: 9789048137367
ISBN-10: 9048137365
Pagini: 930
Ilustrații: XLVI, 873 p.
Dimensiuni: 155 x 235 x 58 mm
Greutate: 1.45 kg
Ediția:2010
Editura: SPRINGER NETHERLANDS
Colecția Springer
Seria Astrophysics and Space Science Library

Locul publicării:Dordrecht, Netherlands

Public țintă

Research

Cuprins

Interactions of Charged, Accelerated Particles in the Solar Atmosphere, and the Generation of Secondary Energetic Particles and Radiation: Pioneer Results.- The Events of August 1972 and the Discovery of Solar Gamma-Radiation.- The Events of June 1980 and June 1982, and the Discovery of Solar Neutrons.- Space Probe Observations of Solar Neutron and Gamma Ray Events.- Solar Neutron Propagation in the Earth’s Atmosphere, and the Sensitivity of Neutron Monitors and Other Ground Based Detectors to Solar Neutrons.- Statistical Investigations of Solar Neutron Events on the Basis of Ground Observations.- Observations of Solar Neutron Events by Ground Based Detectors, and Their Interpretation.- The Solar Neutron Decay Phenomenon.- Gamma Rays from Solar Energetic Particle Interactions with the Sun’s Atmosphere.- Positron Generation in the Nuclear Interactions of Flare Energetic Particles in the Solar Atmosphere.- The Development of Models and Simulations for Solar Neutron and Gamma Ray Events.

Recenzii

From the reviews:
“This book represents an exhausting monograph on solar neutrons written by an expert who worked about these particles from the Sun since 1965. … The table of contents is a very detailed one, it covers 24 printed pages. … Many observations are given in tables and figures, the corresponding theoretical developments are given in many formulas, and subject index and reference list are carefully developed.”­­­ (Hans-Jürgen Schmidt, Zentralblatt MATH, Vol. 1196, 2010)

Textul de pe ultima copertă

This book presents the first comprehensive compilation and review of the extensive body of experimental and theoretical material on solar neutrons and related phenomena published in the scientific literature over the last sixty years. Phenomena related to solar neutrons are more specifically:
  • the decay products of solar neutrons
  • solar gamma rays generated in processes like nuclear reactions between solar energetic charged particles and matter of the solar atmosphere, as well as by the capture of solar neutrons by hydrogen atoms in the solar atmosphere
  • the propagation of solar neutrons, solar gamma rays and other secondary particles through the solar photosphere, chromosphere and corona, as well as through interplanetary space and through the Earth's atmosphere.
Models and simulations of particle acceleration, interactions, and propagation processes show that observations of solar neutrons and gamma rays in space and in the Earth's atmosphere yield essential and unique information on the source function of energetic solar particles, as well as on the chemical composition and density distribution of plasma in the solar atmosphere. The results described in the book may also be useful for astrophysical studies of other stars and different astrophysical objects, as well as for space weather problems.
The book will serve as a reference work for researchers and students in solar physics, plasma, neutron, and gamma ray physics, as well as in cosmic ray physics, space science, geophysics and those researching space weather problems.

Caracteristici

First comprehensive compilation and review of the large body of experimental and theoretical material on solar neutrons and related phenomena published in the scientific literature in 40 years Unique reference work in the field Includes supplementary material: sn.pub/extras