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Author : Yannick Giraud-Héraud
Publisher : Atlantica Séguier Frontières
ISBN 13 : 9782863322178
Total Pages : 488 pages
Book Rating : 4.3/5 (221 download)
Download or read book Very High Energy Phenomena in the Universe written by Yannick Giraud-Héraud and published by Atlantica Séguier Frontières. This book was released on 1997 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Felix A. Aharonian
Publisher : World Scientific
ISBN 13 : 9789812561732
Total Pages : 516 pages
Book Rating : 4.5/5 (617 download)
Download or read book Very High Energy Cosmic Gamma Radiation written by Felix A. Aharonian and published by World Scientific. This book was released on 2004 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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."
Author : Cesar Augusto Zen Vasconcellos
Publisher : World Scientific
ISBN 13 : 9811220921
Total Pages : 375 pages
Book Rating : 4.8/5 (112 download)
Download or read book New Phenomena And New States Of Matter In The Universe: From Quarks To Cosmos written by Cesar Augusto Zen Vasconcellos and published by World Scientific. This book was released on 2023-01-17 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent discoveries in astronomy and relativistic astrophysics as well as experiments on particle and nuclear physics have blurred the traditional boundaries of physics. It is believed that at the birth of the Universe, a whirlwind of matter and antimatter, of quarks and exotic leptons, briefly appeared and merged into a sea of energy. The new phenomena and new states of matter in the Universe revealed the deep connection between quarks and the Cosmos. Motivated by these themes, this book discusses different topics: gravitational waves, dark matter, dark energy, exotic contents of compact stars, high-energy and gamma-ray astrophysics, heavy ion collisions and the formation of the quark-gluon plasma in the early Universe. The book presents some of the latest researches on these fascinating themes and is useful for experts and students in the field.
Author : Michel Boër
Publisher :
ISBN 13 :
Total Pages : 410 pages
Book Rating : 4.:/5 (853 download)
Download or read book Very High Energy Phenomena in the Universe written by Michel Boër and published by . This book was released on 2003 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter K. F. Grieder
Publisher : Springer Science & Business Media
ISBN 13 : 3540769412
Total Pages : 1149 pages
Book Rating : 4.5/5 (47 download)
Download or read book Extensive Air Showers written by Peter K. F. Grieder and published by Springer Science & Business Media. This book was released on 2010-08-09 with total page 1149 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Reshmi Mukherjee
Publisher : World Scientific Publishing Company
ISBN 13 : 9789813275713
Total Pages : 0 pages
Book Rating : 4.2/5 (757 download)
Download or read book Advances in Very High Energy Astrophysics: The Science Program of the Third Generation Iacts for Exploring Cosmic Gamma Rays written by Reshmi Mukherjee and published by World Scientific Publishing Company. This book was released on 2024-02-28 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Very-high-energy astrophysics studies the most energetic photons in the sky allowing the exploration of the violent and extreme non-thermal phenomena in the Universe. Significant advances in knowledge have been made in this field using ground-based imaging atmospheric Cherenkov telescopes (IACTs) as detectors to study the very-high-energy physical processes in the Universe. This book reviews the progress in the field since the advent of the second generation IACTs in around 2004.Going through the scientific highlights obtained by the three current instruments of this kind, H.E.S.S., VERITAS and MAGIC, operating now for more than ten years, this book presents a state-of-the-art knowledge in four areas of modern astrophysics and cosmology, namely the origin of the cosmic rays, the physic of compact objects and their resulting relativistic outflows, gamma-ray cosmology and the search for dark matter. Along with a detailed review of the outstanding scientific outcome, a summary of the key technological developments that yielded to the recognized success of the technique is also provided.This book is written for young academics in the fields of astrophysics, high energy physics and cosmology. At the same time, it can serve as a source of reference for the expert in the field.
Author : Shigeru Yoshida
Publisher : Nova Publishers
ISBN 13 : 9781590335932
Total Pages : 180 pages
Book Rating : 4.3/5 (359 download)
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).
Author : Robert Gilbert Stone
Publisher :
ISBN 13 :
Total Pages : 656 pages
Book Rating : 4.:/5 (317 download)
Download or read book High Energy Phenomena on the Sun written by Robert Gilbert Stone and published by . This book was released on 1973 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sabino Matarrese
Publisher : Springer Science & Business Media
ISBN 13 : 9048186854
Total Pages : 413 pages
Book Rating : 4.0/5 (481 download)
Download or read book Dark Matter and Dark Energy written by Sabino Matarrese and published by Springer Science & Business Media. This book was released on 2011-02-10 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together reviews from leading international authorities on the developments in the study of dark matter and dark energy, as seen from both their cosmological and particle physics side. Studying the physical and astrophysical properties of the dark components of our Universe is a crucial step towards the ultimate goal of unveiling their nature. The work developed from a doctoral school sponsored by the Italian Society of General Relativity and Gravitation. The book starts with a concise introduction to the standard cosmological model, as well as with a presentation of the theory of linear perturbations around a homogeneous and isotropic background. It covers the particle physics and cosmological aspects of dark matter and (dynamical) dark energy, including a discussion of how modified theories of gravity could provide a possible candidate for dark energy. A detailed presentation is also given of the possible ways of testing the theory in terms of cosmic microwave background, galaxy redshift surveys and weak gravitational lensing observations. Included is a chapter reviewing extensively the direct and indirect methods of detection of the hypothetical dark matter particles. Also included is a self-contained introduction to the techniques and most important results of numerical (e.g. N-body) simulations in cosmology. " This volume will be useful to researchers, PhD and graduate students in Astrophysics, Cosmology Physics and Mathematics, who are interested in cosmology, dark matter and dark energy.
Author : Bergman
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.8/5 (69 download)
Download or read book From Quasars to Gamma-Ray Bursts written by Bergman and published by . This book was released on 2023-12-03 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Astrophysics has always been a captivating field, delving into the mysteries of the universe and providing glimpses into the workings of celestial objects. However, it is in the realm of high-energy astrophysics that the universe truly reveals its most extreme phenomena. From quasars to gamma-ray bursts, this subchapter explores the historical milestones that have unraveled the mysteries of high-energy astrophysics. In the early 20th century, the study of astrophysics was primarily focused on the visible light emitted by stars and galaxies. It wasn't until 1932 that the first cosmic rays, highly energetic particles from space, were discovered by physicist Victor Hess. This groundbreaking observation hinted at the existence of high-energy phenomena beyond the reach of traditional telescopes. The discovery of the first X-ray source outside our solar system in 1962 marked a turning point in high-energy astrophysics. Astronomers soon realized that X-rays and gamma-rays, with their much higher energies than visible light, could provide vital information about the most energetic processes in the universe. Exploratory missions, such as the Uhuru satellite launched in 1970, opened a new window for studying high-energy astrophysics. The birth of X-ray astronomy gave rise to incredible findings. In 1967, the first X-ray pulsar, a rapidly rotating neutron star, was discovered. This revelation paved the way for understanding the behavior of matter under extreme gravitational forces. Subsequently, in 1974, the discovery of the first X-ray binary system, where a compact object accretes matter from a companion star, provided further insights into the dynamics of high-energy processes. The 1990s marked a new era with the launch of the Compton Gamma Ray Observatory. This satellite enabled astronomers to observe gamma-ray bursts, the most energetic events in the universe, for the first time. These fleeting bursts of gamma-rays, lasting only a few seconds, puzzled scientists and sparked a race to understand their origins. It wasn't until 1997 that the first optical afterglow of a gamma-ray burst was detected, leading to the realization that these cataclysmic events were associated with the explosive deaths of massive stars. With the advent of space-based observatories like the Chandra X-ray Observatory and the Fermi Gamma-ray Space Telescope, high-energy astrophysics has continued to push the boundaries of our knowledge. These observatories have revealed the existence of supermassive black holes at the centers of galaxies, shedding light on their role in the evolution of cosmic structures.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 030917113X
Total Pages : 222 pages
Book Rating : 4.3/5 (91 download)
Download or read book Connecting Quarks with the Cosmos written by National Research Council and published by National Academies Press. This book was released on 2003-03-12 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances made by physicists in understanding matter, space, and time and by astronomers in understanding the universe as a whole have closely intertwined the question being asked about the universe at its two extremesâ€"the very large and the very small. This report identifies 11 key questions that have a good chance to be answered in the next decade. It urges that a new research strategy be created that brings to bear the techniques of both astronomy and sub-atomic physics in a cross-disciplinary way to address these questions. The report presents seven recommendations to facilitate the necessary research and development coordination. These recommendations identify key priorities for future scientific projects critical for realizing these scientific opportunities.
Author : R. Ramaty
Publisher :
ISBN 13 :
Total Pages : 668 pages
Book Rating : 4.:/5 (41 download)
Download or read book High Energy Phenomena on the Sun written by R. Ramaty and published by . This book was released on 1973 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781724225825
Total Pages : 384 pages
Book Rating : 4.2/5 (258 download)
Download or read book Gamma-Ray Astrophysics written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-24 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the 15 years that have passed since the first edition of this book was published, there has been a major increase in our knowledge of gamma-ray astronomy. Much of this advance arises from the extensive results that have been forthcoming from the Compton Gamma-Ray Observatory. There has been the discovery of a new class of gamma-ray objects, namely high-energy gamma- ray-emitting blazars, a special class of Active Galactic Nuclei, whose basic high-energy properties now seem to be understood. A much improved picture of our galaxy now exists in the frequency range of gamma rays. The question of whether cosmic rays are galactic or metagalactic now seems settled with certainty. Significant new information exists on the gamma-ray properties of neutron star pulsars, Seyfert galaxies, and gamma-ray bursts. Substantial new insight has been obtained on solar phenomena through gamma-ray observations. Hence, this seemed to be an appropriate time to write a new edition of this book to add the important scientific implications of these many new findings. The special importance of gamma-ray astrophysics had long been recognized by many physicists and astronomers, and theorists had pursued many aspects of the subject well before the experimental results began to become available. The slower development of the experimental side was not because of a lack of incentive, but due to the substantial experimental difficulties that had to be overcome. Thus, as the gamma-ray results became available in much greater number and detail, it was possible to build upon the theoretical work that already existed and to make substantial progress in the study of many of the phenomena involved. Consequently, a much better understanding of many of the astrophysical phenomena mentioned here and others is now possible. Our principal aims in writing this book are the same as they were for the first edition: to provide a text which describes the significance of gamma-ray astrophysics and to assemble ...
Author : R. Ramatry
Publisher :
ISBN 13 :
Total Pages : 658 pages
Book Rating : 4.3/5 (91 download)
Download or read book High Energy Phenomena on the Sun Symposium Proceedings, September 28-30, 1972 written by R. Ramatry and published by . This book was released on 1973 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Malcolm S. Longair
Publisher : Cambridge University Press
ISBN 13 : 9780521383745
Total Pages : 436 pages
Book Rating : 4.3/5 (837 download)
Download or read book High Energy Astrophysics: Volume 1, Particles, Photons and their Detection written by Malcolm S. Longair and published by Cambridge University Press. This book was released on 1992-02-27 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: High energy astrophysics is one of the most exciting areas of contemporary astronomy, covering the most energetic phenomena in the universe. The highly acclaimed first edition of Professor Longair's book immediately established itself as an essential textbook on high energy astrophysics. In this complete revision, the subject matter has expanded to the point where two volumes are desirable. In the first, a thorough treatment is given of the physical processes that govern the behavior of particles in astrophysical environments such as interstellar gas, neutron stars, and black holes. Special emphasis is placed on how observations are made in high energy astrophysics and the limitations imposed on them. The tools of the astronomer and high energy astrophysicist are introduced in the context of specific astronomical problems. The material in Volume 1 leads to a study of all kinds of high energy phenomena in the galaxy and universe given in the second volume. This book assumes that readers have some knowledge of physics and mathematics at the undergraduate level, but no prior knowledge of astronomy is required. The pair of books covers all aspects of modern high energy astrophysics to the point where current research can be understood.
Author : Malcolm S. Longair
Publisher : Cambridge University Press
ISBN 13 : 1139494546
Total Pages : 885 pages
Book Rating : 4.1/5 (394 download)
Download or read book High Energy Astrophysics written by Malcolm S. Longair and published by Cambridge University Press. This book was released on 2011-02-03 with total page 885 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing students with an in-depth account of the astrophysics of high energy phenomena in the Universe, the third edition of this well-established textbook is ideal for advanced undergraduate and beginning graduate courses in high energy astrophysics. Building on the concepts and techniques taught in standard undergraduate courses, this textbook provides the astronomical and astrophysical background for students to explore more advanced topics. Special emphasis is given to the underlying physical principles of high energy astrophysics, helping students understand the essential physics. The third edition has been completely rewritten, consolidating the previous editions into one volume. It covers the most recent discoveries in areas such as gamma-ray bursts, ultra-high energy cosmic rays and ultra-high energy gamma rays. The topics have been rearranged and streamlined to make them more applicable to a wide range of different astrophysical problems.
Author : Jerome Drexler
Publisher : Universal-Publishers
ISBN 13 : 1599428873
Total Pages : 287 pages
Book Rating : 4.5/5 (994 download)
Download or read book Our Universe Via Drexler Dark Matter written by Jerome Drexler and published by Universal-Publishers. This book was released on 2009 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is different from all other modern cosmology books in several ways. It introduces a cosmologic universe, which is orderly, logical, and systematic. It teaches and explains by illustrating how a variety of cosmic mysteries have been solved. It raises the status of dark matter in the universe by illuminating its roles as the principal source of energy, the principal source of matter in the form of hydrogen and helium, and the principal source of cosmic relationships with the principal cosmic phenomena of the universe. This book simplifies the universe as Nicolaus Copernicus' book simplified the solar system in 1543. With more and more cosmic mysteries being discovered and the slow progress in solving them, cosmologists and astrophysicists must re-train themselves to understand and to utilize the postmodern unified astrophysical cosmology model and to maximize the knowledge derived from the astronomical data. These are the three principal objectives of this book.
