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Author | : Felix A. Aharonian |
Publisher | : World Scientific |
Total Pages | : 516 |
Release | : 2004 |
Genre | : Science |
ISBN | : 9789812561732 |
Download Very High Energy Cosmic Gamma Radiation Book in PDF, ePub and Kindle
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 | : Volker Schönfelder |
Publisher | : Springer Science & Business Media |
Total Pages | : 418 |
Release | : 2013-03-14 |
Genre | : Science |
ISBN | : 3662045931 |
Download The Universe in Gamma Rays Book in PDF, ePub and Kindle
After describing cosmic gamma-ray production and absorption, the instrumentation used in gamma-ray astronomy is explained. The main part of the book deals with astronomical results, including the somewhat surprising result that the gamma-ray sky is continuously changing.
Author | : Poolla V. Ramana Murthy |
Publisher | : Cambridge University Press |
Total Pages | : 260 |
Release | : 1986-06-19 |
Genre | : Science |
ISBN | : 9780521305280 |
Download Gamma-Ray Astronomy Book in PDF, ePub and Kindle
Gamma-ray astronomy gives us a view of the Universe through the most recent window to have been opened. The emphasis in this account is firmly on the astronomy and astrophysics of known sources of cosmic gamma-rays outside the solar system. The authors first introduce the mechanisms for the production and absorption of gamma-rays. The line astronomy of the interstellar medium, galactic centre, and various discrete sources is then discussed. Gamma-ray bursts are treated in considerable detail, in view of the need for a comprehensive review of this important topic. The two final chapters describe medium energy and ultra-high energy gamma rays. This book includes comprehensive references to the primary literature, together with tables and graphs.
Author | : K.E. Turver |
Publisher | : Springer Science & Business Media |
Total Pages | : 303 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9400938314 |
Download Very High Energy Gamma Ray Astronomy Book in PDF, ePub and Kindle
An Advanced Research Workshop on Very High Energy Gamma Ray Astronomy and Related Topics was held at Durham, England during August 11-15 1986. The meeting was sponsored by the Scientific Affairs Division of NATO and the University of Durham. It is four years since the first Workshop dedicated to High Energy Gamma Ray Astronomy was held at Ootacamund, India. At that meeting the developments in Very High Energy Gamma Ray Astronomy over a period of more than 20 years were reported and the methodology, limitations, improvements and prospects for further progess were discussed. The possible requirement for a follow-up meeting was clear if the optimistic future foreseen for the field at the Ooty meeting was correct. The Durham meeting was suggested to fill this role. Although the arrangements for the Durham meeting were discussed as long ago as 1983 with possible dates in 1984 or 1986, the eventual date in 1986 has proved admirable and has coincided with a time when further advances have been reported. An important feature of the proposal for the Durham meeting was the emphasis on a series of Workshop sessions, the conclusions of each to be summarized by a Rapporteur. The purpose of these sessions was to provide a consensus view of many of the important areas in the field at a time of increasing interest by the rest of the astrophysics community.
Author | : T.C. Weekes |
Publisher | : CRC Press |
Total Pages | : 234 |
Release | : 2003-04-08 |
Genre | : Science |
ISBN | : 1420033190 |
Download Very High Energy Gamma-Ray Astronomy Book in PDF, ePub and Kindle
High energy gamma-ray photons are the prime probes of the relativistic or high-energy universe, populated by black holes, neutron stars, supernovae, quasars, and matter-antimatter annihilations. Through studying the gamma-ray sky, astrophysicists are able to better understand the formation and behavior of these exotic and energetic bodies. V
Author | : P. V. Ramana Murthy |
Publisher | : Cambridge University Press |
Total Pages | : 275 |
Release | : 1993-04 |
Genre | : Nature |
ISBN | : 0521420814 |
Download Gamma-ray Astronomy Book in PDF, ePub and Kindle
The recent launch of NASA's Gamma-Ray Observatory will increase interest in gamma-ray astronomy. This is a fully up-dated new edition of the authors' earlier volume published in 1986 and covers both the background science and the current state-of-the-art in this field. The emphasis is on the astronomy and astrophysics of known sources of cosmic gamma-rays outside the solar system. The authors discuss the mechanisms for the production and absorption of gamma-rays. The gamma-ray line astronomy of the interstellar medium, galactic centre, and various discrete sources is then considered. Gamma-ray bursts are treated in considerable detail in chapter three, and the final two chapters describe medium energy and ultra-high energy gamma-rays. Relevant data from supernova SN1987A is also included in this edition. The book includes comprehensive references to the primary literature, together with many figures and tables. The concentration on phenomenology makes this book a fine introduction to gamma-ray astronomy.
Author | : United States. National Aeronautics and Space Administration |
Publisher | : |
Total Pages | : 46 |
Release | : 1990 |
Genre | : Gamma ray astronomy |
ISBN | : |
Download The Gamma-Ray Observatory Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 50 |
Release | : 1991 |
Genre | : Gamma ray astronomy |
ISBN | : |
Download The Gamma-Ray Observatory Book in PDF, ePub and Kindle
Author | : Rodney Hillier |
Publisher | : Oxford University Press, USA |
Total Pages | : 224 |
Release | : 1984 |
Genre | : Nature |
ISBN | : |
Download Gamma Ray Astronomy Book in PDF, ePub and Kindle
Author | : E.L. Chupp |
Publisher | : Springer Science & Business Media |
Total Pages | : 332 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9401014965 |
Download Gamma-Ray Astronomy Book in PDF, ePub and Kindle
Observation of discrete energy electromagnetic emissions from celestial objects in the radio, IR, optical, lN, and X-ray spectral regions has dramatically advanced our know ledge in the field of astrophysics. It is expected that identification of nuclear 'Y-ray line emissions from any cosmic source would also prove to be a powerful new tool for probing the Universe. Since the publication of Morrison's work in 1958, many experiments were carried out searching for evidence of 'Y-ray lines from cosmic sources, however with little success. Only a few positive experimental results have been reported, in spite of an expenditure of considerable effort by many people: in particular, the possible Galactic Center emission line (473 to 530keV) and 'Y-ray lines at several energies (e. g. , 0. 5 MeV and 2. 2 MeV) associated with large solar flares. Both of these observations are unconfirmed by indepen dent observations (ca. 1975). The high energy 'Y-rays (>30MeV) from the Galactic Center are at least partly due to the decay of 1[0 mesons, which are of unique energy (67. 5 MeV) in the 1[0 rest frame only. The reasons for the limited amount of data avail able in this field, even though early theoretical predictions were very optimistic regarding fluxes of nuclear lines, are that experimental efforts are plagued with high backgrounds and low fluxes, and that development of instruments with telescopic properties in the energy range of interest is difficult.