Energy Release and Particle Acceleration in the Solar Atmosphere PDF Download
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Author: Brian R. Dennis
Publisher:
ISBN:
Category : Particle acceleration
Languages : en
Pages : 376
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Book Description
Author: Brian R. Dennis
Publisher:
ISBN:
Category : Particle acceleration
Languages : en
Pages : 376
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Book Description
Author: Donald V. Reames
Publisher: Springer
ISBN: 3319508717
Category : Science
Languages : en
Pages : 136
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Book Description
This concise primer introduces the non-specialist reader to the physics of solar energetic particles (SEP) and systematically reviews the evidence for the two main mechanisms which lead to the so-called impulsive and gradual SEP events. More specifically, the timing of the onsets, the longitude distributions, the high-energy spectral shapes, the correlations with other solar phenomena (e.g. coronal mass ejections), as well as the all-important elemental and isotopic abundances of SEPs are investigated. Impulsive SEP events are related to magnetic reconnection in solar flares and jets. The concept of shock acceleration by scattering on self-amplified Alfvén waves is introduced, as is the evidence of reacceleration of impulsive-SEP material in the seed population accessed by the shocks in gradual events. The text then develops processes of transport of ions out to an observer. Finally, a new technique to determine the source plasma temperature in both impulsive and gradual events is demonstrated. Last but not least the role of SEP events as a radiation hazard in space is mentioned and a short discussion of the nature of the main particle telescope designs that have contributed to most of the SEP measurements is given.
Author: Gérard Trottet
Publisher:
ISBN:
Category : Heliosphere
Languages : en
Pages : 246
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Book Description
Author: G.H.J. van den Oord
Publisher: Springer Science & Business Media
ISBN: 940111014X
Category : Science
Languages : en
Pages : 380
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Book Description
Magnetic energy release plays an important role in a wide variety of cosmic objects such as the Sun, stellar coronae, stellar and galactic accretion disks and pulsars. The observed radio, X-ray and gamma-ray emission often directly results from magnetic `flares', implying that these processes are spatially fragmented and of an impulsive nature. A true understanding of these processes requires a combined magnetohydrodynamical and plasma physical approach. Fragmented Energy Release in Sun and Stars: the Interface between MHD and Plasma Physics provides a comprehensive, interdisciplinary summary of magnetic energy release in the Sun and stars, in accretion disks, in pulsar magnetospheres and in laboratory plasmas. These proceedings include papers on both theoretical and observational aspects. Fragmented Energy Release in Sun and Stars: the Interface between MHD and Plasma Physics is for researchers in the fields of solar physics, stellar astrophysics and (laboratory) plasma physics and is a useful resource book for graduate level astrophysics courses.
Author: National Research Council
Publisher: National Academies Press
ISBN: 9780309092159
Category : Science
Languages : en
Pages : 100
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Book Description
Solar and space physics is the study of solar system phenomena that occur in the plasma state. Examples include sunspots, the solar wind, planetary magnetospheres, radiation belts, and the aurora. While each is a distinct phenomenon, there are commonalities among them. To help define and systematize these universal aspects of the field of space physics, the National Research Council was asked by NASA's Office of Space Science to provide a scientific assessment and strategy for the study of magnetized plasmas in the solar system. This report presents that assessment. It covers a number of important research goals for solar and space physics. The report is complementary to the NRC report, The Sun to the Earthâ€"and Beyond: A Decadal Research Strategy for Solar and Space Physics, which presents priorities and strategies for future program activities.
Author: Arthur N. Cox
Publisher: University of Arizona Press
ISBN: 0816538611
Category : Science
Languages : en
Pages : 1435
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Book Description
Observational data derived from the world’s largest solar telescopes are correlated with theoretical discussions in nuclear and atomic physics by contributors representing a wide range of interests in solar research.
Author: L.I. Miroshnichenko
Publisher: Springer Science & Business Media
ISBN: 9401596468
Category : Science
Languages : en
Pages : 489
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Book Description
It turned out to be really a rare and happy occasion that we know exact1y when and how a new branch of space physics was born, namely, a physics of solar cosmic rays. It happened on February 28 and March 7, 1942 when the fIrst "cosmic ray bursts" were recorded on the Earth, and the Sun was unambiguously identifIed for the fIrst time as the source of high-velocity 10 particles with energies up to > 10 eV. Just due to such a high energy these relativistic particles have been called "solar cosmic rays" (SCR), in distinction from the "true" cosmic rays of galactic origin. Between 1942 and the beginning ofthe space era in 1957 only extremely high energy solar particle events could be occasionally recorded by cosmic ray ground-Ievel detectors and balloon borne sensors. Since then the detection techniques varied considerably and the study of SCR turned into essential part of solar and solar-terrestrial physics.
Author: Daniel Baker
Publisher: Springer Science & Business Media
ISBN: 038769532X
Category : Science
Languages : en
Pages : 373
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Book Description
This volume helps the reader to understand the ways and means of how dynamical phenomena are generated at the Sun, how they travel through the Heliosphere, and how they affect Earth. It provides an integrated account of the three principal chains of events all the way from the Sun to Earth: the normal solar wind, coronal mass ejections, and solar energetic particles.
Author: N. Gopalswamy
Publisher: American Geophysical Union
ISBN:
Category : Science
Languages : en
Pages : 408
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Book Description
Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 165. Coronal mass ejections (CMEs) are the most energetic events in the heliosphere. During solar cycle 23, the close connection between CMEs and solar energetic particles (SEPs) was studied in much greater detail than was previously possible, including effects on space weather. This book reviews extensive observations of solar eruptions and SEPs from orbiting and ground-based systems. From SOHO and ACE to RHESSI and TRACE, we now have measurements of unprecedented sensitivity by which to test assumptions and refine models. Discussion and analysis of: Coronal mass ejections and energetic particles over one solar cycle Implications of solar eruptions for space weather and human space exploration The elemental, isotopic, and ionic charge state composition of accelerated particles Complex interconnections among CMEs, flares, shocks, and energetic particles will make this book an indispensable resource for scientists working on the Sun-Earth connection, including space physicists, magnetospheric physicists, atmospheric physicists, astrophysicists, and aeronomists.
Author: Mukul Ranjan Kundu
Publisher:
ISBN:
Category : Solar flares
Languages : en
Pages : 450
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Book Description
