high-energy gamma ray
New stage in high-energy gamma-ray studies with GAMMA-400 after Fermi-LAT
... of high-energy gamma-ray diffuse emission and the observations of 3000 discrete ...all gamma-ray sources (both galactic and extragalactic) are unidentified, the data on the ...
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High energy gamma ray imaging
... the energy spectra, the half angle of each cone is ...The energy spectra obtained from the scattering detector is not a linear response and shows a peak representing the presence of a ...the energy ...
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Cherenkov Telescope Ring - An Idea for World Wide Monitoring of the VHE Sky
... with energy even rapidly decreasing high-energy gamma-ray flux, however, mandates long Cherenkov observation times per ...very high-energy gamma-ray surveys ...
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Radiation hardness studies and detector characterisation at the JSI TRIGA reactor
... the gamma field in the reactor and use the experimental data for improvement of the treatment of delayed gammas in Monte Carlo particle transport ...a high energy gamma ray irradiation ...
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TAIGA - a hybrid array for high energy gamma astronomy and cosmic ray physics
... the gamma ray source in the Crab ...particle energy is reconstructed from the density of the Cherenkov light flux at 200 m distance from the EAS axis Q 200 with an accuracy of approximately 15% ...
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Development of a Gamma-Ray Detector based on Silicon Photomultipliers for Prompt Gamma Imaging and High-Energy Spectroscopy
... prompt gamma imaging application, and for high-energy gamma-rays ...a high-dynamic range, and the capa- bility to detect high-energy ...provide high performance in ...
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Scintillator gamma-ray detectors with silicon photomultiplier readouts for high-energy astronomy
... and gamma-ray spectra were recorded as before ...higher-energy gamma-rays were produced by surrounding the detector with wax blocks and irradiating them with neutrons from a 50 mCi Am/Be ...
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Irradiation stability and cytotoxicity of gold nanoparticles for radiotherapy
... kR gamma irradiation and cytotoxicity of gold nanoparticles with human K562 cells by using Cell Titre-Glo™ luminescent cell viability ...that gamma irradiation had not induced any obvious instability and ...
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Constraining Dark Matter and Ultra-High Energy Cosmic Ray Sources with Fermi-LAT Diffuse Gamma Ray Background
... highest energy is still a subject of debate. All modern cosmic ray experiments extract information on the UHECR spectrum and composition from observations of extensive air showers (EAS), initiated by cosmic ...
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Development of a telescope for medium-energy gamma-ray astronomy
... electron tracking hodoscope consisting of a stack of detectors interleaved with thin metal foils positioned above a calorimeter. SAS-2, COS-B and EGRET utilized two-dimensional gas spark chambers whereas AGILE and ...
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Instruments optimizations for low energy Gamma-ray detection
... The energy domain between ...nuclear gamma-ray lines produced by radioactive decay, nuclear collision, positron annihilation, or neutron capture, which makes it as special for ...
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Constraining the location of gamma-ray emission in blazar jets - High-energy emission in Blazars
... To carry out this study, we use the multi-zone time- dependent leptonic jet model, with radiation feedback scheme, of Joshi & Böttcher (2011) (hereafter Paper I) in the internal shock model scenario. We consider ...
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Application of Gamma Ray Burst in Dark Energy Model
... of Gamma-Ray Bursts (GRBs) [10]. Gamma-Ray Bursts are the most violent explosions in the universe, in theory, when the fuel runs out massive stars explode or collapse two adjacent dense star ...
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University of New Hampshire University of New Hampshire Scholars' Repository
... The goals of this dissertation work were to add to the extant body of knowledge of the 15 November 1991 solar flare in two ways: by analyzing high-energy data from the Compton Gamma Ray [r] ...
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Time Projection Chamber (TPC) detectors for nuclear astrophysics studies with gamma beams
... Gamma-Beams. Gamma-beams (2–20 MeV) proved to be enormously useful for low energy nuclear physics studies in the pioneering work at the High Intensity Gamma-ray Source (HIγS) ...
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Future Prospects for High Energy Polarimetry of Gamma‐Ray Bursts
... 30–300 energy band requires low-Z scattering elements (coupled with high-Z photon absorbers) for achieving the best ...this energy band are usually not constructed using position sensitive low-Z ...
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GRAINE project: precise gamma-ray observations with balloon-borne emulsion telescope
... the high-energy phenomena in the ...cosmic gamma- rays is useful in various fields, such as cosmic-ray physics, astronomy, cosmology, and fundamental ...Fermi Gamma-ray Space ...
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MEGA: the next generation Medium Energy Gamma-ray Telescope
... at high energies, with the changeover at 5-10 MeV for most detector ...the energy of the secondaries (see ...the energy imparted to the electron are ...and energy are recorded in the ...enough ...
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GRAINE balloon experiment in 2015 - Precise observations of cosmic gamma rays by a high-resolution emulsion telescope
... cosmic gamma rays emitted from black Holes, pulsars, super nova remnants, ...such high-energy objects or phenomena in the ...Fermi Gamma-ray Space Telescope (Fermi-LAT) [2] launched in ...
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High Energy Atmospheric Physics: Ball Lightning
... for High-Energy Atmospheric pheno- mena through the frames of Hypersphere World-Universe Model ...Terrestrial Gamma-Ray Flashes (TGFs) are, in fact, Gamma-Ray Bursts ...very ...
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