Results 31 to 40 of about 59,762 (195)
ParticlesNext-generation space observatories for high-energy gamma-ray astrophysics will increase scientific return using onboard machine learning (ML). This is now possible thanks to today’s low-power, radiation-tolerant processors and artificial intelligence ...
Andrea Bulgarelli +18 more
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GLAST: Understanding the High Energy Gamma-Ray Sky
, 2004 We discuss the ability of the GLAST Large Area Telescope (LAT) to identify, resolve, and study the high energy gamma-ray sky. Compared to previous instruments the telescope will have greatly improved sensitivity and ability to localize gamma-ray point ...
A Konopelko +89 more
core +1 more source
The Gamma-ray Albedo of the Moon [PDF]
, 2007 We use the GEANT4 Monte Carlo framework to calculate the gamma-ray albedo of the Moon due to interactions of cosmic ray (CR) nuclei with moon rock. Our calculation of the albedo spectrum agrees with the EGRET data. We show that the spectrum of gamma rays
/Stanford U., HEPL +3 more
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Astrophysical constraints from gamma-ray spectroscopy [PDF]
Nuclear Physics A, 2006 Gamma-ray lines from cosmic sources provide unique isotopic information, since they originate from energy level transitions in the atomic nucleus. Gamma-ray telescopes explored this astronomical window in the past three decades, detecting radioactive isotopes that have been ejected in interstellar space by cosmic nucleosynthesis events and nuclei that ...
Diehl, R. +2 more
openaire +4 more sources
Identification of Extended Emission Gamma-Ray Burst Candidates Using Machine Learning
The Astrophysical Journal, 2023 Gamma-ray bursts (GRBs) have been classified traditionally based on their duration. The increasing number of extended emission (EE) GRBs, lasting typically more than 2s but with properties similar to those of short GRBs, challenges the traditional ...
K. Garcia-Cifuentes +4 more
doaj +1 more source
Enhancing GRB Detection: Bayesian Optimization of Triggerless Data Analysis for LHAASO-WCDA [PDF]
EPJ Web of ConferencesGamma-Ray Bursts (GRBs) are among the universe’s most energetic events, requiring advanced methods to separate signals from background noise. The LHAASO-WCDA is well-suited for detecting very-high-energy (VHE) gamma rays, but traditional trigger-based ...
Mustofa Abdulhafiz Ahmed +2 more
doaj +1 more source
GALPROP: modeling cosmic ray propagation and associated interstellar emissions [PDF]
, 2011 Research in many areas of modern physics and astrophysics such as, e.g., indirect searches for dark matter (DM), particle acceleration in SNR shocks, and the spectrum and origin of extragalactic gamma-ray background, rely heavily on studies of cosmic ...
Moskalenko, Igor V.
core +2 more sources
Pair Production Detectors for Gamma-Ray Astrophysics
, 2022 35 pages, 17 figures, To appear in "Handbook of X-ray and Gamma-ray Astrophysics" by Springer - Editors in chief: C.
Thompson, David J. +1 more
openaire +2 more sources
, 2019 Invited Talk presented at the “XVIII International Workshop on Neutrino Telescopes”
openaire +3 more sources
High energy and high brightness laser compton backscattering gamma-ray source at IHEP
Matter and Radiation at Extremes, 2018 Based on the LINAC of BEPCII, a high-polarized, high bightness, energy-tunable, monoenergetic laser compton backscattering (LCS) gamma-ray source is under construction at IHEP. The gamma-ray energy range is from 1 MeV to 111 MeV.
Guang-Peng An +25 more
doaj +1 more source