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high energy gamma sources

New stage in high-energy gamma-ray studies with GAMMA-400 after Fermi-LAT

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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University of New Hampshire University of New Hampshire Scholars' Repository

University of New Hampshire University of New Hampshire Scholars' Repository

... emit gamma rays, while fissile materials such as uranium and plutonium emit both neutrons and gamma rays via spontaneous or induced ...and gamma rays is a clear indication of the presence of fissile ...

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The origin of cosmic rays and TeV gamma-ray astronomy

The origin of cosmic rays and TeV gamma-ray astronomy

... main sources of cos- mic ...the sources of ultra-high en- ergy cosmic rays and understanding of high-energy emit- ters like pulsars, blazars or binary ...the high-energy ...

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Performance Analyses Of A Simple Digital Nuclear Radiation Measurement System For Gamma Ray Spectroscopy

Performance Analyses Of A Simple Digital Nuclear Radiation Measurement System For Gamma Ray Spectroscopy

... and high costs make it difficult for most university laboratories to easily acquire them for laboratory ...superior energy resolution than a popular analogue system based on the Integrated Computer ...

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Constraining Dark Matter and Ultra-High Energy Cosmic Ray Sources with Fermi-LAT Diffuse Gamma Ray Background

Constraining Dark Matter and Ultra-High Energy Cosmic Ray Sources with Fermi-LAT Diffuse Gamma Ray Background

... wide energy range up to 820 GeV based on 50 months of observations at Galactic latitude (b) | b | > ...in energy by a power law with exponential cut-off, having a spectral index of ...break energy ...

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TeV Blazars as the Sources of Ultra High Energy Cosmic Rays

TeV Blazars as the Sources of Ultra High Energy Cosmic Rays

... low energy peak, BL Lacertae objects are fur- ther subdivided into low-, intermediate- and high-frequency peaked BL Lac objects, and they are abbreviated as LBL, IBL and HBL, ...The high ...

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Multimessenger Probes of High-energy Sources

Multimessenger Probes of High-energy Sources

... low- energy atmospheric ...very high energy events that are potentially cosmic in origin, typically having a probabil- ity greater than 50% of coming from outside the earth’s ...the energy and ...

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The radio/gamma-ray connection from 120 MHz to 230 GHz

The radio/gamma-ray connection from 120 MHz to 230 GHz

... of gamma-ray catalogues; they made up about one half of the historical EGRET third catalogue [17], and nearly 40% of the third Fermi Large Area Telescope (LAT) catalogue [3FGL, 3], the largest and most recent ...

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The search for high-energy neutrinos coincident with fast radio bursts with the ANTARES neutrino telescope

The search for high-energy neutrinos coincident with fast radio bursts with the ANTARES neutrino telescope

... candidate sources of efficient particle acceleration as they may release a great amount of energy in a short timescale, similar to the short gamma-ray ...for high energy neutrinos in ...

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GRAINE balloon experiment in 2015 - Precise observations of cosmic gamma rays by a high-resolution emulsion telescope

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 2008 ...

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Scintillator gamma-ray detectors with silicon photomultiplier readouts for high-energy astronomy

Scintillator gamma-ray detectors with silicon photomultiplier readouts for high-energy astronomy

... radioactive sources to study the linearity of the SiPM response and to measure the energy resolution as a function of ...the gamma-ray lines were fit in the recorded pulse- height histograms using a ...

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TAIGA - a hybrid array for high energy gamma astronomy and cosmic ray physics

TAIGA - a hybrid array for high energy gamma astronomy and cosmic ray physics

... of gamma rays is one of the most efficient ways of investigating of galactic and metagalactic sources of high-energy cosmic rays as well solving of many problems of astroparticle ...based ...

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High energy gamma ray imaging

High energy gamma ray imaging

... In order to generate the PSF of the Compton camera, one must backproject the data recorded by the system for the trajectories of several photons into the object plane. The image must then be processed to calculate the ...

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Irradiation stability and cytotoxicity of gold nanoparticles for radiotherapy

Irradiation stability and cytotoxicity of gold nanoparticles for radiotherapy

... The high energy excitation can induce lots of phonons and less photons because the dominant transition of gold NPs is photon–phonon transition ...Thus, gamma irradiation can provide strong ...

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Galactic very high energy sources and enhancements of material content

Galactic very high energy sources and enhancements of material content

... 39 sources (henceforth referred to as GPS sources) are then binned in space according to their Galactic coordinates (with bins of δl = 10 ◦ and δb = 1 ◦ ...TeV sources, by randomizing the locations ...

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High Energy Atmospheric Physics: Ball Lightning

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 high ...

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The Energy Sources in Ontogenesis

The Energy Sources in Ontogenesis

... 1 shows a series of curves for eggs at various stages of development, and the curve for stage I is of special interest, since the rate of oxygen uptake actually increased as the experime[r] ...

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Energy Transition by 2050: A Multifaceted Challenge for Europe  European Policy Brief No  8, May 2012

Energy Transition by 2050: A Multifaceted Challenge for Europe European Policy Brief No 8, May 2012

... nuclear energy, questioning its future use in several countries across the ...nuclear energy, while others continue to believe that it is a secure, reliable and affordable source of low-carbon electricity ...

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Time Projection Chamber (TPC) detectors for nuclear astrophysics studies with gamma beams

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) facility ...

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