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Related papers: Gamma-Ray and AntiMatter Survey(GRAMS) experiment

200 papers

Gamma-ray instrumentation for astronomical spectroscopy consists of multiple-interaction detectors in space combined with sophisticated post-processing of detector events on ground. Spectral signatures in the MeV regime originate from…

High Energy Astrophysical Phenomena · Physics 2014-08-06 Roland Diehl

Gamma-ray Bursts (GRBs) are relativistic cosmological beacons of transient high energy radiation whose afterglows span the electromagnetic spectrum. Theoretical expectations of correlated neutrino and/or gravitational wave (GW) emission…

High Energy Astrophysical Phenomena · Physics 2009-02-19 Michael Stamatikos , Neil Gehrels , Francis Halzen , Peter Meszaros , Peter W. A. Roming

The Fermi observatory, with its Gamma-Ray Bursts monitor (GBM) and Large Area Telescope (LAT), is observing Gamma-ray Bursts with unprecedented spectral coverage and sensitivity, from ~10 keV to > 300 GeV. In the first 3 years of the…

High Energy Astrophysical Phenomena · Physics 2013-05-27 Giacomo Vianello

The Advanced Gamma-ray Imaging System (AGIS) is a next-generation ground-based gamma-ray observatory being planned in the U.S. The anticipated sensitivity of AGIS is about one order of magnitude better than the sensitivity of current…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 G. Maier

We propose to perform a continuously scanning all-sky survey from 200 keV to 80 MeV achieving a sensitivity which is better by a factor of 40 or more compared to the previous missions in this energy range. The Gamma-Ray Imaging, Polarimetry…

In this contribution I review the present status and discuss some prospects for indirect detection of dark matter with gamma-rays. Thanks to the Fermi Large Area Telescope, searches in gamma-rays have reached sensitivities that allow to…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Jan Conrad

The Alpha Magnetic Spectrometer (AMS), whose final version AMS-02 is to be installed on the International Space Station (ISS) for at least 3 years, is a detector designed to measure charged cosmic ray spectra with energies up to the TeV…

Astrophysics · Physics 2007-10-05 AMS Collaboration , Rui Pereira

We present the Space-based multi-band astronomical Variable Object Monitor (SVOM), a future satellite mission for Gamma-Ray Burst (GRB) studies, developed in cooperation between the Chinese National Space Agency (CNSA), the Chinese Academy…

Instrumentation and Methods for Astrophysics · Physics 2010-05-31 S. Schanne , J. Paul , J. Wei , S. -N. Zhang , S. Basa , J. -L. Atteia , D. Barret , A. Claret , B. Cordier , F. Daigne , P. Evans , G. Fraser , O. Godet , D. Götz , P. Mandrou , J. Osborne

The Fermi Gamma-ray Space Telescope with its main instrument onboard, the Large Area Telescope (LAT), opened a new era in high-energy astrophysics and in particular for the study of Gamma-Ray Bursts (GRBs), which are short flashes of -rays…

High Energy Astrophysical Phenomena · Physics 2010-12-03 Aurelien Bouvier

Gamma ray burst (GRB) objects are now widely thought to be at cosmological distances, and thus represent enormous energy emission. Gamma ray spectra extending to $GeV$ energies suggest the possiblity of accompanying neutrino emission, and…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. J. Weiler , W. A. Simmons , S. Pakvasa , J. G. Learned

The Fermi Gamma-ray Space Telescope (formerly known as Gamma-ray Large Area Space Telescope, GLAST) was successfully launched on June 11 2008. Its main instrument is the Large Area Telescope (LAT), which detects gamma rays from 20 MeV to…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Philippe Bruel

The observation of cosmic gamma-rays from the ground is based upon the detection of gamma-ray initiated air showers. At energies between approximately $10^{11}$ eV and $10^{13}$ eV, the imaging air Cherenkov technique is a particularly…

High Energy Astrophysical Phenomena · Physics 2016-06-22 D. Horns

The General Antiparticle Spectrometer (GAPS) is a novel approach for indirect dark matter searches that exploits cosmic antiparticles, especially antideuterons. The GAPS antideuteron measurement utilizes distinctive detection methods using…

High Energy Astrophysical Phenomena · Physics 2015-10-07 T. Aramaki , C. J. Hailey , S. E. Boggs , P. von Doetinchem , H. Fuke , S. I. Mognet , R. A. Ong , K. Perez , J. Zweerink

This paper reviews the field of gamma-ray astronomy and describes future experiments and prospects for advances in fundamental physics and high-energy astrophysics through gamma-ray measurements. We concentrate on recent progress in the…

The measurement of gamma rays at MeV energies from cosmic radioactivities is one of the key tools for nuclear astrophysics, in its study of nuclear reactions and how they shape objects such as massive stars and supernova explosions.…

High Energy Astrophysical Phenomena · Physics 2017-03-29 Roland Diehl

Over the past decade, our knowledge of the \gamma-ray sky has been revolutionized by ground- and space-based observatories by detecting photons up to several hundreds of tera-electron volt (TeV) energies. A major population of the…

High Energy Astrophysical Phenomena · Physics 2018-11-05 B. Rani

The goal of the Medium Energy Gamma-ray Astronomy (MEGA) telescope is to improve sensitivity at medium gamma-ray energies (0.4-50 MeV) by at least an order of magnitude over that of COMPTEL. This will be achieved with a new compact design…

Astrophysics · Physics 2019-08-14 P. F. Bloser , R. Andritschke , G. Kanbach , V. Schoenfelder , F. Schopper , A. Zoglauer

The Compton camera is a gamma-ray imaging device developed in the 1970s. In the 1990s, the COMPTEL detector onboard the CGRO was the first to utilize a Compton camera for MeV all-sky survey observations. Recently, various Compton cameras…