Results 1 to 10 of about 50 (46)
Science, 2012 Stellar Explosions Stars that are born with masses greater than eight times that of the Sun end their lives in luminous explosions known as supernovae. Over the past decade, access to improved sky surveys has revealed rare types of supernovae that are much more luminous than any of those that were known before.
Gehrels, Neil, Meszaros, Peter
openaire +3 more sources
Reports on Progress in Physics, 2006 Gamma-ray bursts are the most luminous explosions in the Universe, and their origin and mechanism are the focus of intense research and debate. More than three decades after their discovery, and after pioneering breakthroughs from space and ground experiments, their study is entering a new phase with the recently launched Swift satellite. The interplay
openaire +4 more sources
The European Physical Journal Plus, 2018 Accepted for publication on EPJ ...
De Angelis A., Mallamaci M.
openaire +2 more sources
Gamma-Ray Localization of Terrestrial Gamma-Ray Flashes [PDF]
Physical Review Letters, 2010 5 pages, 4 figures, 1 table, available at http://prl.aps.org/abstract/PRL/v105/i12 ...
Marisaldi M +61 more
openaire +4 more sources
The Eleventh Marcel Grossmann Meeting, 2008 (Shortened) We show by example how the uncoding of Gamma-Ray Bursts (GRBs) offers unprecedented possibilities to foster new knowledge in fundamental physics and in astrophysics. After recalling some of the classic work on vacuum polarization in uniform electric fields by Klein, Sauter, Heisenberg, Euler and Schwinger, we summarize some of the efforts ...
R. RUFFINI +14 more
openaire +5 more sources
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2003 An astrophysics application of a low noise Double-sided Silicon Strip Detector (DSSD) is described. A Semiconductor Multiple-Compton Telescope (SMCT) is being developed to explore the gamma-ray universe in the 0.1-20 MeV energy band. Excellent energy resolution and polarization sensitivity are key features of the SMCT.
openaire +2 more sources
Gamma-ray luminosity function of gamma-ray bright AGNs [PDF]
Research in Astronomy and Astrophysics, 2009 Detection of Gamma-ray emission from a class of active galactic nuclei (viz blazars), has been one of the important findings from the Compton Gamma Ray Observatory (CGRO). However, their Gamma-ray luminosity function has not been well determined. Few attempts have been made in earlier works, where BL Lacs and Flat Spectrum Radio Quasars (FSRQs) have ...
Bhattacharya, Debbijoy +2 more
openaire +2 more sources
Gamma- and Cosmic-Ray observations with the GAMMA-400 Gamma-Ray telescope [PDF]
Advances in Space Research, 2022 The future space-based GAMMA-400 gamma-ray telescope will operate onboard the Russian astrophysical observatory in a highly elliptic orbit during 7 years to observe Galactic plane, Galactic Center, Fermi Bubbles, Crab, Vela, Cygnus X, Geminga, Sun, and other regions and measure gamma- and cosmic-ray fluxes.
N.P. Topchiev +23 more
openaire +2 more sources
Particles, Strings and Cosmology (PASCOS 99), 2000 Ultra-high-energy, >10^19 eV, cosmic-ray and high energy, ~10^14 eV, neutrino production in GRBs is discussed in the light of recent GRB and cosmic-ray observations. Emphasis is put on model predictions that can be tested with operating and planned cosmic-ray and neutrino detectors, and on the prospects of testing for neutrino properties.
openaire +2 more sources
GAMMA-RAY OBSERVATIONS OF GAMMA-RAY BINARIES
International Journal of Modern Physics: Conference Series, 2014 Gamma-ray binaries are binary systems that emit most of their radiative output above 1 MeV. Following the detection of five such systems in the past decade, they have been clearly established as a population of galactic GeV and TeV sources. In this review I discuss their recent gamma-ray observational results from Cherenkov telescopes and the Fermi ...
openaire +2 more sources