Opening The Ultra High Energy Cosmic Ray Window From The Top
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Opening The Ultra High Energy Cosmic Ray Window From The Top
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Author :
language : en
Publisher:
Release Date : 2000
Opening The Ultra High Energy Cosmic Ray Window From The Top written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
While several arguments can be proposed against the existence of particles with energy in excess of (3--5) x 1019 eV in the cosmic ray spectrum, these particles are actually observed and their origin seeks for an explanation. After a description of the problems encountered in explaining these ultra-high energy cosmic rays (UHECRs) in the context of astrophysical sources, the authors review the so-called Top-Down (TD) Models, in which UHECRs are the result of the decay of very massive unstable particles, possibly created in the Early Universe. Particular emphasis will be given to the signatures of the TD models, likely to be accessible to upcoming experiments like Auger.
Very High Energy Cosmic Gamma Radiation
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Author : Felix A. Aharonian
language : en
Publisher: World Scientific
Release Date : 2004
Very High Energy Cosmic Gamma Radiation written by Felix A. Aharonian and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Science categories.
Gamma ray astronomy, the branch of high energy astrophysics that studies the sky in energetic ?-ray photons, is destined to play a crucial role in the exploration of nonthermal phenomena in the Universe in their most extreme and violent forms. The great potential of this discipline offers impressive coverage of many OC hot topicsOCO of modern astrophysics and cosmology, such as the origin of galactic and extragalactic cosmic rays, particle acceleration and radiation processes under extreme astrophysical conditions, and the search for dark matter."
Introduction To Ultrahigh Energy Cosmic Ray Physics
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Author : Pierre Sokolsky
language : en
Publisher: CRC Press
Release Date : 2018-03-08
Introduction To Ultrahigh Energy Cosmic Ray Physics written by Pierre Sokolsky and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-08 with Science categories.
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.
Introduction To Ultrahigh Energy Cosmic Ray Physics
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Author : Pierre Sokolsky
language : en
Publisher: Frontiers in Physics
Release Date : 2020-10-27
Introduction To Ultrahigh Energy Cosmic Ray Physics written by Pierre Sokolsky and has been published by Frontiers in Physics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-27 with Cosmic rays categories.
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.
Upper Limits On The Ultra High Energy Cosmic Ray Flux From Unresolved Sources
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Author : Ross E. Burton
language : en
Publisher:
Release Date : 2012
Upper Limits On The Ultra High Energy Cosmic Ray Flux From Unresolved Sources written by Ross E. Burton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
The Pierre Auger Observatory is the world's largest ultra-high energy cosmic ray detector. Its goals include answering basic questions about the origins and composition of cosmic rays at the highest energies. We outline the scientific motivation for constructing such an observatory and we highlight some of the significant results produced so far by this world-class instrument. We present the results of our own contributions toward calibrating the timing characteristics of the instrument followed by two alternative techniques for analyzing cosmic ray arrival direction data. The first technique is based on a Bayesian statistical framework and is presented as a solution to some of the difficulties in applying a standard analysis to identify anisotropy in the cosmic ray flux. The second analysis we present is based on a Markov Chain Monte Carlo method for identifying sources of cosmic rays in our arrival direction data. We are able to use our method to set an upper limit of 0.15 per square km per year on the flux from any potential sources producing ultra-high energy cosmic rays with energy E{u2265}3 EeV. We conclude with a proposal for enhancing the already successful observatory with an array of non-imaging Cherenkov detectors. According to our simulation work, such an array could serve as both an independent measure of the cosmic ray energy and, if the array is dense enough, it could also provide insight into the composition of ultra-high energy cosmic rays on an event by event basis.
Extensive Air Showers
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Author : Peter K. F. Grieder
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-08-09
Extensive Air Showers written by Peter K. F. Grieder and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-08-09 with Science categories.
Extensive air showers are a very unique phenomenon. In the more than six decades since their discovery by Auger and collaborators we have learned a lot about these extremely energetic events and gained deep insight 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 remaining puzzling questions that cannot yet be answered. They remain as a challenge for present and future research in the field. The book is split into two volumes. Volume I deals mainly with the basic theoretical framework of the processes that determine an air shower and ends with a summary of ways and means to extract information from air shower observations on the primary radiation. It also presents a compilation of data of our current knowledge of the high energy portion of the primary spectrum and composition. Volume II contains mainly compilations of data of experimental and theoretical nature as well as predictions from simulations of individual air shower constituents. Also included are chapters dedicated exclusively to special processes and detection methods. Extensive up-to-date reference lists appear at the end of each chapter. Researchers and students working in the field of cosmic ray detection and astroparticle physics will appreciate finding this book in their library.
Ultra High Energy Cosmic Rays
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Author : Anna Uryson
language : en
Publisher:
Release Date : 2010
Ultra High Energy Cosmic Rays written by Anna Uryson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Cosmic rays categories.
This book discusses various aspects of cosmic ray physics and astrophysics. Also discussed herein are answers to those astrophysical and cosmic ray questions which are essential for understanding of the subject, such as description of the Universe and of some astrophysical objects, a brief history of cosmic ray investigation, the peculiarities of detection of cosmic rays at various energy bands, a list of arrays for an ultra-high-energy-cosmic-ray investigation and GZK-effect.
Very High Energy Cosmic Gamma Radiation A Crucial Window On The Extreme Universe
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Author : Felix A Aharonian
language : en
Publisher: World Scientific
Release Date : 2004-07-19
Very High Energy Cosmic Gamma Radiation A Crucial Window On The Extreme Universe written by Felix A Aharonian and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-07-19 with Science categories.
Gamma ray astronomy, the branch of high energy astrophysics that studies the sky in energetic γ-ray photons, is destined to play a crucial role in the exploration of nonthermal phenomena in the Universe in their most extreme and violent forms. The great potential of this discipline offers impressive coverage of many “hot topics” of modern astrophysics and cosmology, such as the origin of galactic and extragalactic cosmic rays, particle acceleration and radiation processes under extreme astrophysical conditions, and the search for dark matter. The recent observational results and exciting theoretical predictions provide a strong rationale for a deep study of cosmic radiation with forthcoming satellite-borne and ground-based detectors in the so-called very high energy domain of the electromagnetic spectrum above 1010 eV.This invaluable book presents the motivations and highlights the principal objectives of the field, as well as demonstrates its intrinsic links to other branches of high energy astrophysics. Preference is given to three topical areas: (i) origin of cosmic rays; (ii) physics and astrophysics of relativistic jets; (iii) observational gamma ray cosmology. Also, an essential part of the book is devoted to the discussion of the principal mechanisms of production and absorption of energetic γ-rays in different astrophysical environments, as well as to the description of the detection methods of high energy cosmic γ-radiation.
Ultra High Energy Cosmic Ray Composition
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Author : Nathaniel Peter Longley
language : en
Publisher:
Release Date : 1993
Ultra High Energy Cosmic Ray Composition written by Nathaniel Peter Longley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
Extensive Air Showers
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Author : M. V. S. Rao
language : en
Publisher: World Scientific
Release Date : 1998
Extensive Air Showers written by M. V. S. Rao and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Science categories.
Ultrahigh energy cosmic rays carry information about their sources and the intervening medium apart from providing a beam of particles for studying certain features of high energy interactions currently inaccessible at man-made accelerators. They can at present be studied only via the extensive air showers (EAS's) they generate while passing through the Earth's atmosphere, since their fluxes are too low for the experiments of limited capability flown in balloons and satellites. The EAS is generated by a series of interactions of the primary cosmic ray and its progeny with the atmospheric nuclei. The exponential nature of the atmosphere spreads the air showers laterally over several hundreds of meters, thus enabling ground-based arrays of relatively inexpensive detectors to record and study them.This book describes the EAS phenomenology, the detectors and techniques used, and the latest results on the energy spectrum and composition of the primaries of EAS's and the results on high energy interactions obtained from EAS studies. It also describes the new TeV and PeV gamma ray astronomy (which has been developing over the past decade) and the newly emerging neutrino astronomy, which are related to the origin of cosmic rays.This book serves as an introduction as well as a reference for researchers in the field.