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Measurement Of The Cosmic Ray Spectrum Above 4u00d71018 Ev Using Inclined Events Detected With The Pierre Auger Observatory
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781725623118 Total Pages :26 pages Book Rating :4.6/5 (231 download)
Book Synopsis Cosmic Ray-Air Shower Measurement from Space by : National Aeronautics and Space Administration (NASA)
Download or read book Cosmic Ray-Air Shower Measurement from Space written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-17 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: A feasibility study has been initiated to observe from space the highest energy cosmic rays above 1021 eV. A satellite observatory concept, the Maximum-energy Auger (Air)-Shower Satellite (MASS), is recently renamed as the Orbital Wide-angle Collector (OWL) by taking its unique feature of using a very wide field-of-view (FOV) optics. A huge array of imaging devices (about 10(exp 6) pixels) is required to detect and record fluorescent light profiles of cosmic ray cascades in the atmosphere. The FOV of MASS could extend to as large as about 60 in. diameter, which views (500 - 1000 km) of earth's surface and more than 300 - 1000 cosmic ray events per year could be observed above 1020 eV. From far above the atmosphere, the MASS/OWL satellite should be capable of observing events at all angles including near horizontal tracks, and would have considerable aperture for high energy photon and neutrino observation. With a large aperture and the spatial and temporal resolution, MASS could determine the energy spectrum, the mass composition, and arrival anisotropy of cosmic rays from 1020 eV to 1022 eV; a region hitherto not explored by ground-based detectors such as the Fly's Eye and air-shower arrays. MASS/OWL's ability to identify cosmic neutrinos and gamma rays may help providing evidence for the theory which attributes the above cut-off cosmic ray flux to the decay of topological defects. Very wide FOV optics system of MASS/OWL with a large array of imaging devices is applicable to observe other atmospheric phenomena including upper atmospheric lightning. The wide FOV MASS optics being developed can also improve ground-based gamma-ray observatories by allowing simultaneous observation of many gamma ray sources located at different constellations. Takahashi, Yoshiyuki Marshall Space Flight Center NASA-CR-204041, NAS 1.26:204041 NAS8-38609; NCC8-65...
Book Synopsis Studies of the Highest Energy Cosmic Ray Air Showers with the Pierre Auger Observatory Hybrid Dectector by : Bei Cai
Download or read book Studies of the Highest Energy Cosmic Ray Air Showers with the Pierre Auger Observatory Hybrid Dectector written by Bei Cai and published by . This book was released on 2006 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Principal Axes of the Directional Energy Distribution of Cosmic Rays Measured with the Pierre Auger Observatory by : Tobias Winchen
Download or read book The Principal Axes of the Directional Energy Distribution of Cosmic Rays Measured with the Pierre Auger Observatory written by Tobias Winchen and published by . This book was released on 2013 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Emission of Radio Waves in Particle Showers by : Anne Zilles
Download or read book Emission of Radio Waves in Particle Showers written by Anne Zilles and published by Springer. This book was released on 2017-08-08 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis offers the first laboratory validation of microscopic simulations of radio emission from particle showers, including a detailed description of the simulation study. It presents a potential future avenue for resolving the mass composition of cosmic rays via radio detection of air showers. Particle showers are created from cascading interactions when high-energy particles collide with matter, e.g. with air in the case of cosmic radiation, or with a particle detector in the case of experiments at CERN. These showers can consist of billions of particles, mostly electrons, positrons and photons. They emit radio waves when the absorbing medium is in a magnetic field, and this radio emission can be used as a novel means of detecting and drawing inferences on the shower and the primary particle. The new method is currently being established in cosmic ray research, where large antenna arrays may soon replace or complement traditional particle detectors. In thi s study, a complete microscopic simulation of a radio-emission experiment conducted at Stanford Linear Accelerator Center (SLAC), Stanford/USA, is performed, and the underlying physical models are validated. The model is subsequently applied to the Square Kilometre Array (SKA) project, which is a large interferometer for radio astronomy. It is demonstrated that the SKA, with some modifications, might also be used for cosmic ray research based on radio detection of high-energy particles from the cosmos.
Book Synopsis Cosmic Ray Physics by : Veronica Bindi
Download or read book Cosmic Ray Physics written by Veronica Bindi and published by CRC Press. This book was released on 2023-03-27 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces you to the physics of cosmic rays, charged particles which reach us from known – and maybe unknown – sources in the cosmos. Starting from a brief history of this fascinating field, it reviews what we know about the creation of elements in the Big Bang and inside stars. It explains cosmic accelerators reaching fabulous energies. It follows the life cycle of cosmic rays all the way from their sources to detection near, on or below Earth. The central three chapters cover what we know about them at the level of the solar system, the Milky Way and the Universe at large. Up-to-date experimental results are presented in detail, showing how they are obtained and interpreted. The book provides an accessible overview of this lively and diversified research field. It will be of interest to undergraduate physics students beginning their studies on astronomy, cosmology, and particle physics. It is also accessible to the general public by concentrating mathematical and technical detail into Focus Boxes. Key features: Complete introductory overview of cosmic ray physics Covers the origins, acceleration, transport mechanisms and detection of these particles Mathematical and technical detail is kept separate from the main text
Book Synopsis The Sea Level Cosmic Ray Muon Spectrum Above 200 BeV by : Leo James LaMay
Download or read book The Sea Level Cosmic Ray Muon Spectrum Above 200 BeV written by Leo James LaMay and published by . This book was released on 1972 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Introduction To Ultrahigh Energy Cosmic Ray Physics by : Pierre Sokolsky
Download or read book Introduction To Ultrahigh Energy Cosmic Ray Physics written by Pierre Sokolsky and published by CRC Press. This book was released on 2018-03-08 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cosmic ray physics has recently attracted a great deal of attention from the high energy physics community because of the discovery of new sources and the advent of new techniques. The result of a series of lectures prepared for graduate students and postdoctoral researchers, this book is a general introduction to experimental techniques and results in the field of ultrahigh energy cosmic rays. It succinctly summarizes the rapidly developing field, and provides modern results that include data from newer detectors. Combining experiment and theory, the text explores the results of a single, easy-to-understand experiment to tie together various issues involved in the physics of ultrahigh energy cosmic rays.
Book Synopsis Solar Cosmic Rays by : L.I. Miroshnichenko
Download or read book Solar Cosmic Rays written by L.I. Miroshnichenko and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Galactic Cosmic Ray Composition at TeV Engeries by : John Taylor Childers
Download or read book Galactic Cosmic Ray Composition at TeV Engeries written by John Taylor Childers and published by . This book was released on 2007 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Acceleration and Propagation of Cosmic Rays in High-Metallicity Astrophysical Environments by : Ana Laura Müller
Download or read book Acceleration and Propagation of Cosmic Rays in High-Metallicity Astrophysical Environments written by Ana Laura Müller and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis addresses the feasibility of the production of ultra-high-energy cosmic rays in starburst galaxies and active galactic nuclei. These astrophysical objects were theoretically proposed as candidate sources a long time ago. Nevertheless, the interest in them has been recently renewed due to the observational data collected by the Pierre Auger Observatory and the Telescope Array. In this work, a comprehensive review of the current status of the research on cosmic rays accelerators is provided, along with a summary of the principal concepts needed to connect these relativistic particles with electromagnetic and neutrino observations in the multi-messenger era. On one hand, the hypothesis of accelerating particles with energies above 1018 eV in starburst superwinds is carefully revisited, taking into account the constraints imposed by the most recent electromagnetic observations. On the other hand, an alternative new model for the gamma emission of the nearby active galaxy NGC 1068 is presented. The implications of the results of these studies are discussed in terms of the contemporary observatories and prospects for future experiments are offered.
Book Synopsis Introduction To Ultrahigh Energy Cosmic Ray Physics by : Pierre Sokolsky
Download or read book Introduction To Ultrahigh Energy Cosmic Ray Physics written by Pierre Sokolsky and published by CRC Press. This book was released on 2020-10-26 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revised edition provides an up-to-date summary of the field of ultra-high energy cosmic rays, dealing with their origin, propagation, and composition,. The authors reflect the enormous strides made since the first edition in the realm of experimental work, in particular the use of vastly improved, more sensitive and precise detectors. The level remains introductory and pedagogical, suitable for students and researchers interested in moving into this exciting field. Throughout the text, the authors focus on giving an introductory overview of the key physics issues, followed by a clear and concise description of experimental approaches and current results. Key Features: Updates the most coherent summary of the field available, with new text that provides the reader with clear historical context. Brand new discussion of contemporary space-based experiments and ideas for extending ground-based detectors. Completely new discussion of radio detection methods. Includes a new chapter on small to intermediate-scale anisotropy. Offers new sections on modern hadronic models and software packages to simulate showers.
Book Synopsis Cosmic Radiation by : COSPAR. Scientific Assembly
Download or read book Cosmic Radiation written by COSPAR. Scientific Assembly and published by Pergamon. This book was released on 1997 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication brings together two groups of papers under two headings. The first group of papers are under the heading 'Energetic Spectra and Charge Composition of Galactic Cosmic Rays above 10 eV: Implications for the Origin and Acceleration limit of Galactic Cosmic Rays'. This session contains 4 papers on the 'knee' region of the cosmic ray spectrum near 1PeV energies. The session has some discussion of proposed instruments to investigate this region and other theoretical papers which investigate the generation and transport of these particles in our galaxy. The second group of papers are under the heading 'Cosmic Ray Composition Studies at Solar Minimum'. This session contains 18 papers providing results relating to experiments flown during the latest solar minimum. Areas covered include new Observations of Galactic Cosmic Rays (GCRs), new Ulysses measurements of GCR spectra outside the ecliptic plane, several theoretical studies, new observations of Anomalous Cosmic Ray (ACR) from two spacecraft, and description of an alternative approach to simulation of ACR transport in the heliosphere.
Book Synopsis Ultra-high Energy Particle Astrophysics by : Shigeru Yoshida
Download or read book Ultra-high Energy Particle Astrophysics written by Shigeru Yoshida and published by Nova Publishers. This book was released on 2003 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many kinds of radiation exist in the universe, including photons and particles with a wide range of energies. Some of the radiation is produced in stars and galaxies, and some is cosmological background radiation, a relic from the history of cosmic evolution. Among all this radiation, the most energetic are cosmic ray particles: nucleons, nuclei, and even extremely energetic gamma rays. There are some observational facts about cosmic rays to give suggestions on their origin. The most important one among them is that the energy spectrum of high energy cosmic rays above 10 GeV (where the magnetic field of the sun is no longer a concern) is well represented by a power law form. This indicates cosmic ray particles are products of non-thermal processes. Their energy extends over more than 13 decades from 107 eV up to 1020 eV. In terms of its structure, the spectrum can be divided into three regions: two 'knees' and one 'ankle'. The first 'knee' appears around 3×1015 eV where the spectral power law index changes from -2.7 to -3.0. The second 'knee' is somewhere between 1017 eV and 1018 eV where the spectral slope changes from -3.0 to around -3.3. The 'ankle' is seen at or after 3×1018 eV. Above that energy the spectral slope is around -2.7, but with a large uncertainty because of poor statistics and resolution. This book deals with the final and most energetic population, the Ultra High Energy Cosmic Rays (UHECRs).
Book Synopsis Measurement of the Momentum Spectrum of Cosmic Ray Muons at a Depth of 320 Mwe by : Nadir Omar Hashim
Download or read book Measurement of the Momentum Spectrum of Cosmic Ray Muons at a Depth of 320 Mwe written by Nadir Omar Hashim and published by . This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimating Cosmic-Ray Spectral Parameters from Simulated Detector Responses with Detector Design Implications by : L. W. Howell
Download or read book Estimating Cosmic-Ray Spectral Parameters from Simulated Detector Responses with Detector Design Implications written by L. W. Howell and published by . This book was released on 2001 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Energy Cosmic Rays by : Todor Stanev
Download or read book High Energy Cosmic Rays written by Todor Stanev and published by Springer Science & Business Media. This book was released on 2010-03-10 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offers an accessible text and reference (a cosmic-ray manual) for graduate students entering the field and high-energy astrophysicists will find this an accessible cosmic-ray manual Easy to read for the general astronomer, the first part describes the standard model of cosmic rays based on our understanding of modern particle physics. Presents the acceleration scenario in some detail in supernovae explosions as well as in the passage of cosmic rays through the Galaxy. Compares experimental data in the atmosphere as well as underground are compared with theoretical models
Book Synopsis Cosmic Rays by : Zbigniew Szadkowski
Download or read book Cosmic Rays written by Zbigniew Szadkowski and published by BoD – Books on Demand. This book was released on 2018-08-22 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements in present experiments have dramatically advanced our understanding of ultrahigh-energy cosmic rays. The suppression of the flux at the highest energies is now confirmed without any doubt, and strong limits have been placed on the photon and neutrino components. There are indications for a small, large-scale anisotropy both below and above the energy of the angle and for a correlation on smaller angular scales at E > 5.5*1019 eV. Around 3*1018 eV, there is a distinct change of slope with energy, and the shower-to-shower variance decreases. Interpreted with the leading LHC-tuned shower models, this implies a gradual shift to a heavier composition, and a number of fundamentally different astrophysical model scenarios have been developed to describe this evolution.
