high energy gamma-ray source
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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MEGA: the next generation Medium Energy Gamma-ray Telescope
... point source sensitivity of some past, present and future instruments in the low through high-energy ...this energy range is typically different than those in the neighboring energies making a ...
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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 ...
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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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Constraining Dark Matter and Ultra-High Energy Cosmic Ray Sources with Fermi-LAT Diffuse Gamma Ray Background
... UHECR and electromagnetic cascade interactions with CMB and EBL (for the latter, we use the re- cent estimate [12]). Following Ref. [4], to derive conservative constraints on proton source models, we don’t require ...
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New stage in high-energy gamma-ray studies with GAMMA-400 after Fermi-LAT
... of gamma-ray sources have been published based on the Fermi-LAT observational results: 1FGL [1] and 2FGL [2] for the energy range from 100 MeV to 100 GeV, 3FGL [3] for the energy range from ...
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Future Prospects for High Energy Polarimetry of Gamma‐Ray Bursts
... For many years, astronomers have generally been slow to accept the idea that polarime- try could be a useful tool for γ-ray astronomy. This has been both because of the exper- imental difficulty in making such a ...
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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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Constraining the location of gamma-ray emission in blazar jets - High-energy emission in Blazars
... gion (BLR), keeping the range of the location to between 0.01 and 0.3 pc [4–6]. This was suggested to explain the intra-day variability timescales observed in γ-ray flares, which seemed to indicate that the ...
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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 ...
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Instruments optimizations for low energy Gamma-ray detection
... a gamma-ray space mission that have been proposed as the M5 Medium-size mission of the European Space ...a gamma-ray instrument that inherits from predecessors such as AGILE [2] and Fermi [3], ...
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Yang_et_al-2019-Advanced_Materials.pdf
... without gamma- rays, and then turned on the gamma-rays to find out the reason for the initial burn-in ...when gamma-rays were turned on, obvious performance degradation shows up imme- ...After ...
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Development of a telescope for medium-energy gamma-ray astronomy
... MeV) gamma-ray ...The high spatial resolution 3-D electron tracking of 3-DTI enables AdEPT to achieve high angular resolution gamma-ray imaging via pair production and triplet ...
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Development of Radon Gas Sensor To Monitor The Precursors of Earthquake
... environmental energy parameters such as relative humidity, temperature, pressure, earth’s magnetic field, conductivity of ionosphere, gravitational field etc either natural or man-made has led to calamities such ...
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Modular Detecting Device to Find Direction to the Gamma-Ray Source
... the source of 137 Cs with activity 10 6 Bq and located at the distance of 100cm between the source and the ...the source the movement of point source located at a distance of 100 cm from the ...
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Application of Gamma Ray Burst in Dark Energy Model
... dark energy, CDM parametric model dark energy exists coincidence ...the energy content of the universe is made of ordinary baryons and roughly 27 percent consists of a yet-undetected matter component ...
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Enhancement of irradiation resistance and experimental research of compact electronics for ITER Radial X-ray Camera
... The principle design of mid-amplifier is shown in Fig.6. One master mid-amplifier and nine slave mid-amplifier boards will be used in the mid-amplifier chassis. The master one includes five parts: 16-channel PGA ...
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Vol 4, No 4 (2018)
... Probably the most utilized detection method of prohibited substances is the use of dogs, considered to be one of the most sensitive detection instruments [1]. The olfactory sense of dogs is very developed. In this sense, ...
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Primer On Geiger Counters Gammascout
... and gamma or x-ray radiation using an aluminum or stainless steel outer wall that can slides or rotates to selectively expose the actual detector to the ...and gamma/x-ray radiation above some ...
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Gamma-ray satellites Fermi Gamma-ray Space Telescope
... Test how gamma-ray photons of different energy interact in the tracker / calorimeter. http://fermi.sonoma.edu/multimedia/latsim/simulator.php.[r] ...
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