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Book
Studies of the charged particle Density Distributions in Extensive Air showers Observed with KASCADE-Grande
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Year: 2011 Publisher: Karlsruhe : KIT Scientific Publishing,

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Studies of the Charged Particle Density Distributions in Extensive Air Showers Observed with KASCADE-Grande.


Book
Extensive Air Showers
Authors: ---
ISBN: 9783540769415 9783540869665 9783540769408 9783642427756 Year: 2010 Publisher: Berlin, Heidelberg Springer Berlin Heidelberg

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Extensive air showers are a very unique phenomenon. In the more than six decades since their discovery by Auger et al. we have learned a great deal about these extremely energetic events and gained deep insights into high-energy phenomena, particle physics and astrophysics. In this Tutorial, Reference Manual and Data Book Peter K. F. Grieder provides the reader with a comprehensive view of the phenomenology and facts of the various types of interactions and cascades, theoretical background, experimental methods, data evaluation and interpretation, and air shower simulation. He discusses astrophysical aspects of the primary radiation and addresses the questions that continue to puzzle researchers. The book is divided into two parts, each in its own separate volume: Part I in Volume I deals mainly with the basic theoretical framework of the processes that determine an air shower and ends with a summary of ways to extract information on the primary radiation from air shower observations. It also presents a compilation of data representing our current knowledge of the high-energy portion of the primary spectrum and composition. Part II in Volume II mainly contains compilations of experimental and theoretical data, as well as predictions from simulations of individual air shower constituents. Also included are chapters dedicated exclusively to special processes and detection methods: optical atmospheric Cherenkov and fluorescence phenomena that represent special observational windows and have proven to be successful alternatives to particle measurements, yielding three-dimensional insights into the shower process, as well as radio emission, which may develop into a useful future method of detection.


Dissertation
Impact of unitarization schemes on high-energy cosmic rays
Authors: --- --- --- --- --- et al.
Year: 2016 Publisher: Liège Université de Liège (ULiège)

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The hadronic event generators SIBYLL, QGSJET and EPOS use an Eikonal unitarization scheme. We focus on SIBYLL and present the general theoretical concepts behind this event generator and concentrate on diffraction. After a presentation of Regge theory, we present different unitarization schemes. We show the equivalence between the Good-Walker models used in SIBYLL and the GLM model. We test the U-matrix scheme. We show that U matrix fits very well the total, the elastic, the inelastic and the single diffractive cross sections with soft interactions. We show the asymptotic behaviour of the different cross sections.


Book
Solar neutrons and related phenomena
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ISBN: 9048137365 9786612928895 1282928899 9048137373 Year: 2010 Publisher: New York : Springer,

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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.


Book
Research on Cosmic Rays and Their Impact on Human Activities
Authors: ---
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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The galactic cosmic–ray spectrum extends over 14 orders of magnitudes in energy and about 12 orders of magnitude in intensity, and it can be studied using two different methods: via the “direct detection” of the primary cosmic rays in space or at high altitude and via the “indirect detection” of secondary particles, namely the extensive air showers produced by a primary cosmic–ray particle impinging the atmosphere. In this Special Issue, both direct and indirect measurements are presented via from various experiments. Emphasis is placed on low-energy electrons and protons that are detected in flight as well as during geomagnetic storms. As for indirect detection, the muon flux determination and modulation at ground level are described in great detail. Some of the most interesting results are hereby presented, and a couple of new techniques in cosmic–ray detection are reported.


Book
Research on Cosmic Rays and Their Impact on Human Activities
Authors: ---
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The galactic cosmic–ray spectrum extends over 14 orders of magnitudes in energy and about 12 orders of magnitude in intensity, and it can be studied using two different methods: via the “direct detection” of the primary cosmic rays in space or at high altitude and via the “indirect detection” of secondary particles, namely the extensive air showers produced by a primary cosmic–ray particle impinging the atmosphere. In this Special Issue, both direct and indirect measurements are presented via from various experiments. Emphasis is placed on low-energy electrons and protons that are detected in flight as well as during geomagnetic storms. As for indirect detection, the muon flux determination and modulation at ground level are described in great detail. Some of the most interesting results are hereby presented, and a couple of new techniques in cosmic–ray detection are reported.


Book
Research on Cosmic Rays and Their Impact on Human Activities
Authors: ---
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The galactic cosmic–ray spectrum extends over 14 orders of magnitudes in energy and about 12 orders of magnitude in intensity, and it can be studied using two different methods: via the “direct detection” of the primary cosmic rays in space or at high altitude and via the “indirect detection” of secondary particles, namely the extensive air showers produced by a primary cosmic–ray particle impinging the atmosphere. In this Special Issue, both direct and indirect measurements are presented via from various experiments. Emphasis is placed on low-energy electrons and protons that are detected in flight as well as during geomagnetic storms. As for indirect detection, the muon flux determination and modulation at ground level are described in great detail. Some of the most interesting results are hereby presented, and a couple of new techniques in cosmic–ray detection are reported.

Keywords

Research & information: general --- Mathematics & science --- cosmic rays --- Extensive Air Showers --- particle detectors --- Cosmic Ray Ensembles --- ionosphere --- ELF/VLF waves --- energetic electron precipitations --- storm-time feature --- CSES --- trapped particles --- South Atlantic Anomaly --- AE9/AP9/SPM models --- radiation belts --- Poisson data --- time series --- quasi-Gaussian filter --- digital filtering --- optimization --- global minimization --- annealing simulation algorithm --- space weather --- geomagnetic storms --- LEO satellites --- digital gamma-rays spectrometer --- cosmic veto --- active shield --- muons --- muon flux periodicity --- atmospheric neutrons --- radiation dose --- passengers and flight crew --- ultrathin calorimeter --- direct measurements --- energy reconstruction --- PAMELA --- shower development universality --- cosmic ray physics --- multi-messenger astrophysics --- extensive air showers --- cosmic rays --- Extensive Air Showers --- particle detectors --- Cosmic Ray Ensembles --- ionosphere --- ELF/VLF waves --- energetic electron precipitations --- storm-time feature --- CSES --- trapped particles --- South Atlantic Anomaly --- AE9/AP9/SPM models --- radiation belts --- Poisson data --- time series --- quasi-Gaussian filter --- digital filtering --- optimization --- global minimization --- annealing simulation algorithm --- space weather --- geomagnetic storms --- LEO satellites --- digital gamma-rays spectrometer --- cosmic veto --- active shield --- muons --- muon flux periodicity --- atmospheric neutrons --- radiation dose --- passengers and flight crew --- ultrathin calorimeter --- direct measurements --- energy reconstruction --- PAMELA --- shower development universality --- cosmic ray physics --- multi-messenger astrophysics --- extensive air showers


Book
The Space Environment
Author:
ISBN: 9780691213071 0691213070 Year: 2020 Publisher: Princeton, NJ

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The breakup of the Space Shuttle Columbia as it reentered Earth's atmosphere on February 1, 2003, reminded the public--and NASA--of the grave risks posed to spacecraft by everything from insulating foam to space debris. Here, Alan Tribble presents a singular, up-to-date account of a wide range of less conspicuous but no less consequential environmental effects that can damage or cause poor performance of orbiting spacecraft. Conveying a wealth of insight into the nature of the space environment and how spacecraft interact with it, he covers design modifications aimed at eliminating or reducing such environmental effects as solar absorptance increases caused by self-contamination, materials erosion by atomic oxygen, electrical discharges due to spacecraft charging, degradation of electrical circuits by radiation, and bombardment by micrometeorites. This book is unique in that it bridges the gap between studies of the space environment as performed by space physicists and spacecraft design engineering as practiced by aerospace engineers.


Book
Extensive air showers : high energy phenomena and astrophysical aspects : a tutorial, reference manual and data book
Author:
ISBN: 3642427758 3540769404 9786613054449 3540769412 1283054442 Year: 2010 Publisher: Heidelberg : Springer,

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Abstract

Extensive air showers are a very unique phenomenon. In the more than six decades since their discovery by Auger et al. we have learned a great deal about these extremely energetic events and gained deep insights into high-energy phenomena, particle physics and astrophysics. In this Tutorial, Reference Manual and Data Book Peter K. F. Grieder provides the reader with a comprehensive view of the phenomenology and facts of the various types of interactions and cascades, theoretical background, experimental methods, data evaluation and interpretation, and air shower simulation. He discusses astrophysical aspects of the primary radiation and addresses the questions that continue to puzzle researchers. The book is divided into two parts, each in its own separate volume: Part I in Volume I deals mainly with the basic theoretical framework of the processes that determine an air shower and ends with a summary of ways to extract information on the primary radiation from air shower observations. It also presents a compilation of data representing our current knowledge of the high-energy portion of the primary spectrum and composition. Part II in Volume II mainly contains compilations of experimental and theoretical data, as well as predictions from simulations of individual air shower constituents. Also included are chapters dedicated exclusively to special processes and detection methods: optical atmospheric Cherenkov and fluorescence phenomena that represent special observational windows and have proven to be successful alternatives to particle measurements, yielding three-dimensional insights into the shower process, as well as radio emission, which may develop into a useful future method of detection.

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