gamma-ray imaging system
Design and Optimisation of a Three Layers Thermal Neutron, Fast Neutron and Gamma-Ray Imaging System
... Evaluated Photon Data Library (EPDL) and the Activation Library (ACTL) compilations from Livermore data libraries were mainly used in the simulation of gamma photon transport [26]. All default options in physics ...
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High energy gamma ray imaging
... Image formation is achieved as follows: For each point in the energy spectra, the half angle of each cone is generated. This process is repeated for each data set representing coincident events in the front and rear ...
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Gamma ray modulation properties of tungsten coded apertures for a novel mixed field imaging system
... It should also be noted that the illustrative results presented above have been obtained using a very specific experimental set-up, which was primarily designed for the analysis of aperture modulation properties. An ...
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Gas micro-well track imaging detectors for gamma- ray astronomy
... GeV) gamma-ray astrophysics require greatly improved angular resolution over past or currently planned missions such as ...in gamma-rays, allowing their source populations and cosmic ray ...
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Gamma-Ray Burst Progenitors
... ground-based imaging, leading to the misidentification of the ...foreground system leading not only to the misidentification of the precise host galaxy but the incorrect determination of the ...
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Characterisation of radiation fields with combined fast neutron and gamma ray imaging
... and gamma-ray detections; a custom pulse counter unit was designed and built to acquire these data, collecting event rates (no discrimination data were retained) with an upper limit set by the saturation ...
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Development of a Gamma-Ray Detector based on Silicon Photomultipliers for Prompt Gamma Imaging and High-Energy Spectroscopy
... delivery system, contribute to the background signal and must be distin- guished from the prompt ...prompt gamma rays have different spectra, it is possible to discriminate the two contributions by ...
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Gamma ray compton spectrum analysis to enhance medical imaging using wavelet transformation
... phase/frequency imaging are ...to imaging with broadband THz pulses, which implements THz imaging by THz time-domain spectroscopy (THz-TDS) system ...for imaging by equipment like to ...
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Prompt Gamma-ray Imaging for Small Animals
... prompt gamma rays, which are produced by following the nuclear structures of each irradiated isotope, and coincidence counting techniques, which are considered the most important improvement in neutron-related ...
129
Probing gamma-ray burst environments with time variability: ULTRASPEC fast imaging of GRB 080210
... The photometric information about the GRB afterglow was ex- tracted using an implementation of the optimal photometry algo- rithm of Naylor (1998), which provides significantly better signal- to-noise ratio (S/N) than ...
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The radio/gamma-ray connection from 120 MHz to 230 GHz
... We are carrying out a project aimed at studying all the sources in the 1FHL with very long baseline interferometry (VLBI), in order to characterize the parsec scale properties of this population, which several works have ...
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Molecular imaging using the theranostic agent 197(m)Hg: phantom measurements and Monte Carlo simulations
... of imaging properties, on the other hand, the energies of detected photons and the camera’s ability to resolve them only have an impact on whether an event is registered in a particular energy win- dow or ...
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Detailed Study of Radon Spatial Anomaly in Tlamacas Mountain Area, Volcano Popocatepetl, Mexico
... and gamma ray spectrometry revealed intensive radon and gamma ray emanation located in the area of Tlamacas Mountain; the radon concentrations in the Tlamacas area were 10 - 20 times greater ...
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University of New Hampshire University of New Hampshire Scholars' Repository
... track imaging detectors based on gas MWD hold great promise for future medium- and high-energy gamma-ray ...polarized gamma-ray beam this ...
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Highlights from the COS-B mission
... in gamma rays, as well as the indication for polarized gamma-ray emission from the Vela pulsar /49/ and the variation of the hard X-ray spectra with phase for the Crab ...the gamma rays ...
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Gamma-Ray Dose Measurement with Radio-Photoluminescence Glass Dosimeter in Mixed Radiation Field for BNCT
... irradiation system for BNCT. From the ABNS, unnecessary gamma-rays will be generated by neutron capture reactions, as well as fast ...of gamma-ray dose in the irradiation room is ...measure ...
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On the Gamma Ray Bursts Origin
... lactic gamma-ray angular anisotropy axis has following Galactic coordinates: longitude (exactly) l = 96˚, latitude 20˚, that corresponds in the second equatorial coordinate system: right ascension α ...
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The Cygnus region of the galaxy: A VERITAS perspective
... This puzzle admits at least two competing physical solutions. First, the spectra of different regions of the γ Cygni SNR may evolve differently above 500 GeV, with the emission from the northern shell having a ...
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Development of CZT strip detector modules for 0.05- to 1-MeV gamma-ray imaging and spectroscopy
... Double-sided CZT strip detectors, if carefully designed, can address much of the limitation associated with poor hole transport. 5 Due to this limitation, however, there will always be an upper limit on detector ...
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Development of a telescope for medium-energy gamma-ray astronomy
... Testing Relativity with Polarization: Detection of polarization from extragalactic sources such as Gamma-ray Bursts (GRBs) and blazars has fundamental physics implications. In the general formulation of ...
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