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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.

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 --- n/a

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

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.

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 --- n/a

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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.

Cosmic rays. --- Physics --- Physical Sciences & Mathematics --- Nuclear Physics --- Light & Optics --- Cosmic ray showers. --- Astrophysics. --- Astronomical physics --- Auger showers --- Cosmic showers --- EAS (Cosmic rays) --- Extensive air showers --- Showers, Auger --- Showers, Cosmic --- Showers, Extensive air --- Physics. --- Space sciences. --- Nuclear physics. --- Particle and Nuclear Physics. --- Extraterrestrial Physics, Space Sciences. --- Astrophysics and Astroparticles. --- Astronomy --- Cosmic physics --- Cosmic rays --- Pair production --- Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics). --- Science and space --- Space research --- Cosmology --- Science --- Atomic nuclei --- Atoms, Nuclei of --- Nucleus of the atom