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Towards Detecting Lines From Dark Matter Annihilations With Glast
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Book Synopsis A Search for Spectral Lines from WIMP Annihilation in the Milky Way Using the Fermi Large Area Telescope by : Yvonne Vasetta Edmonds
Download or read book A Search for Spectral Lines from WIMP Annihilation in the Milky Way Using the Fermi Large Area Telescope written by Yvonne Vasetta Edmonds and published by Stanford University. This book was released on 2011 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: The most popular class of dark matter candidates is the class of weakly-interacting massive particles (WIMPs). The Fermi Large Area Telescope has the possibility of indirectly detecting WIMPs by the flux from their annihilation/decay products. When a WIMP annihilates or decays directly into a photon gamma and another particle Y the photons are monochromatic. Detection of the resulting spectral line(s) would provide convincing evidence for particulate dark matter and could provide the WIMP mass. In the case of no detection, knowledge of the dark matter distribution can be used to place limits on the annihilation cross section and lifetime for the WIMP(s) to Y-gamma channel. We present the spectrum from 4.8 to 264 GeV and spectral line flux upper limits, obtained from a subset of this spectrum, from 7 to 200 GeV. The spatial region of the dataset covers a large portion of the sky, the high latitudes plus the Galactic Center. We report upper limits on the WIMP cross sections for annihilation to gamma-gamma and Z-gamma and lower limits on the WIMP lifetime for decay to gamma-neutrino. We discuss the implications of the spectrum and line flux limits for several dark matter models with optimistic branching ratios for photon channels.
Download or read book High Energy Physics written by and published by World Scientific. This book was released on 1981 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dark Matter in Astroparticle and Particle Physics by : Hans Volker Klapdor-Kleingrothaus
Download or read book Dark Matter in Astroparticle and Particle Physics written by Hans Volker Klapdor-Kleingrothaus and published by World Scientific. This book was released on 2008 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt: Social networks have emerged as a major trend in computing and social paradigms in the past few years. The social network model helps to inform the study of community behavior, allowing qualitative and quantitative assessments of how people communicate and the rules that govern communication. Social Networking and Community Behavior Modeling: Qualitative and Quantitative Measures provides a clear and consolidated view of current social network models. This work explores new methods for modeling, characterizing, and constructing social networks. Chapters contained in this book study critical security issues confronting social networking, the emergence of new mobile social networking devices and applications, network robustness, and how social networks impact the business aspects of organizations.
Book Synopsis Identification Of Dark Matter, The - Proceedings Of The Sixth International Workshop by : Minos Axenides
Download or read book Identification Of Dark Matter, The - Proceedings Of The Sixth International Workshop written by Minos Axenides and published by World Scientific. This book was released on 2007-08-31 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is the latest in a prominent biannual series of scientific meetings on the exciting research topics of dark matter and, more recently, of dark energy. It contains a state-of-the-art update on detection efforts by experimental groups around the world trying to pin down exotic new forms of matter under the names of axions, neutralinos, wimps, primordial black holes, q balls, sterile neutrinos, as well as a tantalizing new form of dark energy component called phantom energy and quintessence. The book is self-contained as it also includes general reviews on recent cosmological observations — supernovae measurements, cosmic matter distribution surveys and cosmic radiation anisotropies — introducing even the uninitiated reader to this fascinating frontier of research.
Book Synopsis From Quantum To Cosmos: Fundamental Physics Research In Space by : Slava G Turyshev
Download or read book From Quantum To Cosmos: Fundamental Physics Research In Space written by Slava G Turyshev and published by World Scientific. This book was released on 2009-05-21 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt: Space-based laboratory research in fundamental physics is an emerging research discipline that offers great discovery potential and at the same time could drive the development of technological advances which are likely to be important to scientists and technologists in many other different research fields. The articles in this review volume have been contributed by participants of the international workshop “From Quantum to Cosmos: Fundamental Physics Research in Space” held at the Airlie Center in Warrenton, Virginia, USA, on May 21-24, 2006. This unique volume discusses the advances in our understanding of fundamental physics that are anticipated in the near future, and evaluates the discovery potential of a number of recently proposed space-based gravitational experiments. Specific research areas covered include various tests of general relativity and alternative theories, search of physics beyond the Standard Model, investigations of possible violations of the equivalence principle, search for new hypothetical long- and short-range forces, variations of fundamental constants, tests of Lorentz invariance and attempts at unification of the fundamental interactions. The book also encompasses experiments aimed at the discovery of novel phenomena, including dark matter candidates, and studies of dark energy.
Book Synopsis Identification Of Dark Matter, The - Proceedings Of The Fifth International Workshop by : Neil J C Spooner
Download or read book Identification Of Dark Matter, The - Proceedings Of The Fifth International Workshop written by Neil J C Spooner and published by World Scientific. This book was released on 2005-05-12 with total page 685 pages. Available in PDF, EPUB and Kindle. Book excerpt: The prestigious Identification of Dark Matter workshop series was initiated to assess the status of work that attempts to identify the constitution of dark matter. In particular, it aims to review the success of current methods that are used in the search for dark matter, as well as the new techniques that are likely to improve prospects for detecting possible dark matter candidates in the future. In the 5th International Workshop, special emphasis was placed on the recent results obtained in experiments searching for baryonic and non-baryonic dark matter. This volume comprises the high-quality review articles and papers contributed by leaders and promising young physicists who attended the conference. It provides the most recent updates on dark matter searches from both experimental and theoretical points of view.The proceedings have been selected for coverage in:• Index to Scientific & Technical Proceedings® (ISTP® / ISI Proceedings)• Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)• CC Proceedings — Engineering & Physical Sciences
Book Synopsis Particles, Strings and Cosmology by : Kiwoon Choi
Download or read book Particles, Strings and Cosmology written by Kiwoon Choi and published by Springer Science & Business Media. This book was released on 2005-12-12 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: PASCOS is an interdisciplinary symposium on the interface of of Particle physics, String theory and Cosmology. Over the past two decades these three disciplines have increasingly become closer. Historically there was always a strong overlap between particle physics and cosmology. This connection has become even stronger with the realization that some of the fundamental issues in cosmology such as the presence of dark matter and dark energy may possibly find a resolution only via new theories of particle physics. At the same time string theory has begun to play an increasingly important role in particle physics as a possible framework for building unified models of particle interaction including gravity. In recent years we have seen an increasing overlap between cosmology and string theory and currently the area of string cosmology is one of the most active fields of research. PASCOS 2005 aimed to provide coherent discussions of recent developments on the interface of the three disciplines and also on their interconnections. In particular, superstring aspects in low energy particle theory (SUSY) and cosmological applications (moduli stabilization) are extensively covered in this volume. Topics include dark matter and dark energy, baryogenesis, flavor and CP violation, neutrino physics, supersymmetry and extra dimensions, flux compactification, string model building, as well as brane cosmology.
Book Synopsis Proceedings of the Fourth International Workshop on the Identification of Dark Matter by : Neil John Curwen Spooner
Download or read book Proceedings of the Fourth International Workshop on the Identification of Dark Matter written by Neil John Curwen Spooner and published by World Scientific. This book was released on 2003 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this workshop series is to assess the status of work attempting to identify what constitutes dark matter - in particular, to consider the techniques being used, how successful they are, and what new techniques are likely to improve prospects for identifying likely dark matter candidates in the future.
Book Synopsis CTIA: Consolidated Treaties & International Agreements 2008 Vol 1 by : Oceana Editorial Board
Download or read book CTIA: Consolidated Treaties & International Agreements 2008 Vol 1 written by Oceana Editorial Board and published by Oxford University Press. This book was released on 2009-10-09 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Consolidated Treaties of International Agreements is the only up-to-date publication available that offers the full-text coverage of all new treaties and international agreements to which the United States is a party. Treaties that have been formally ratified but not officially published, as well as those pending ratification, are included to guarantee the most comprehensive treaty information available. Executive agreements that have been made available by the Department of State in the previous year are also included. A unique and thorough indexing system, with indices appearing in each volume, allows quick and easy access to treaties.
Download or read book Texas in Tuscany written by R. Bandiera and published by World Scientific. This book was released on 2003-01-01 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: This invaluable proceedings contains contributions from leading scientists in astrophysics, cosmology and related fields such as gravitation and elementary particles physics. It provides a general review of the status and the prospects of research in these fields for an audience of astrophysicists and physicists. The book includes both in depth reviews of various fields of relativistic astrophysics and shorter contributions on the latest results and developments in more specific areas. Some of the topics discussed are: physics of the early universe, cosmological parameters, formation of galaxies, black holes and compact objects, gravitational waves, cosmic rays, high energy radiation, dark matter, cosmic background, active galactic nuclei, supernovae and gravitational lensing.The proceedings have been selected for coverage in: OCo Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)"
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Visible and Dark Matter in the Universe by : Giuseppe Bertin
Download or read book Visible and Dark Matter in the Universe written by Giuseppe Bertin and published by Cambridge University Press. This book was released on 2022-12-31 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: This concise introduction to modern astrophysics focuses on galaxy dynamics and the discovery of dark matter halos in galaxies. Aimed at advanced undergraduates in physics, it provides an excellent bridge to important research topics in contemporary astrophysics.
Book Synopsis Matter, Antimatter, and Dark Matter by : Roberto Battiston
Download or read book Matter, Antimatter, and Dark Matter written by Roberto Battiston and published by World Scientific. This book was released on 2002 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the progress in cosmic ray physics following the recent results obtained by balloon, satellite and underground experiments. The following topics are reviewed: Composition and propagation of cosmic rays, trapping of charged particles in the earth''s magnetic field, atmospheric neutrinos, and high energy photon measurements in space.
Book Synopsis High-Energy Astrophysics by : Fulvio Melia
Download or read book High-Energy Astrophysics written by Fulvio Melia and published by Princeton University Press. This book was released on 2021-12-07 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-energy astrophysics involves the study of exceedingly dynamic and energetic phenomena occurring near the most extreme celestial objects known to exist, such as black holes, neutron stars, white dwarfs, and supernova remnants. High-Energy Astrophysics provides graduate and advanced undergraduate students with the most complete, self-contained introduction to the subject available. This textbook covers all the essentials, weaving together the latest theory with the experimental techniques, instrumentation, and observational methods astronomers use to study high-energy radiation from space. Fulvio Melia introduces topics at the forefront of today's research, including relativistic particles, energetic radiation, and accretion disk theory. No other textbook offers such a thorough yet concise treatment of the key aspects of high-energy astrophysics--both theoretical and observational--or delves as deeply into modern detection techniques, satellite systems, and analytical and numerical modeling used by theoreticians. Amply illustrated, High-Energy Astrophysics is also ideal for researchers interested in the application of fundamental physical laws to understand how matter and radiation behave in regions of the universe where physical conditions are most extreme. Uniquely weaves together the theoretical and experimental aspects of this important branch of astronomy Features stunning images of the high-energy sky Fully describes the principal classes of high-energy sources, with an in-depth study of many archetypal objects within them Provides an excellent, self-contained resource for the classroom, written by a preeminent researcher and teacher in the field
Download or read book Astrophysics written by and published by . This book was released on 2006 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis From the Fermi Scale to Cosmology by : Alberto Salvio
Download or read book From the Fermi Scale to Cosmology written by Alberto Salvio and published by Frontiers Media SA. This book was released on 2019-12-06 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA's Beyond Einstein Program by : National Research Council
Download or read book NASA's Beyond Einstein Program written by National Research Council and published by National Academies Press. This book was released on 2008-01-19 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Beyond Einstein science" is a term that applies to a set of new scientific challenges at the intersection of physics and astrophysics. Observations of the cosmos now have the potential to extend our basic physical laws beyond where 20th-century research left them. Such observations can provide stringent new tests of Einstein's general theory of relativity, indicate how to extend the Standard Model of elementary-particle physics, and-if direct measurements of gravitational waves were to be made-give astrophysics an entirely new way of observing the universe. In 2003, NASA, working with the astronomy and astrophysics communities, prepared a research roadmap entitled Beyond Einstein: From the Big Bang to Black Holes. This roadmap proposed that NASA undertake space missions in five areas in order to study dark energy, black holes, gravitational radiation, and the inflation of the early universe, to test Einstein's theory of gravitation. This study assesses the five proposed Beyond Einstein mission areas to determine potential scientific impact and technical readiness. Each mission is explored in great detail to aid decisions by NASA regarding both the ordering of the remaining missions and the investment strategy for future technology development within the Beyond Einstein Program.
