prompt gamma ray
Investigation of Prompt Gamma-Ray Neutron Activation Analysis for Determining the Phase Amounts in Multiphase Flow
... the prompt gamma ray spectra response to a sample ...important gamma rays emitted from carbon and oxygen range from ...whilst gamma rays resulting from capture of thermal neutrons with ...
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Prompt Gamma-ray Imaging for Small Animals
... Prompt gamma rays are emitted during a neutron capture reaction, which is the dominant neutron process in a low energy ...more prompt gamma rays. These prompt gamma rays are in ...
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The Analog Linear Interpolation Approach for Monte Carlo Simulation of Prompt Gamma-Ray Neutron Activation Analysis
... The detailed comparison of the calculated spectra based on the same new DRF’s codes and experimental spectra for the NaI detectors of different sizes has been reported in the reference (Gardner 2002). The difference ...
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Applicability of prompt gamma ray analysis to the initial analysis of the extraterrestrial materials for chemical composition
... non-destructive prompt gamma-ray analysis (PGA) for determin- ing chemical composition of the returned materials, focusing on levels of induced radioactivities and the effect on isotopic composition ...
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Development of Monte Carlo Code for Coincidence Prompt Gamma-ray Neutron Activation analysis
... The CEARCPG code is a specific purpose Monte Carlo code which can be used for coincidence, anti-coincidence, time-of-flight, and normal (non- coincidence) PGNAA simulation for various applications. The code treats an ...
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Determination of low concentration impurities in crude oil by nuclear techniques.
... The issue about non-linear radiation analysis has been worked by the Center for Engineering Applications of Radioisotopes (CEAR) group members since late 1990s. The concept of CEAR is focused on radiation and ...
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Characteristics of Filtered Neutron Beam Energy Spectra at Dalat Reactor
... The neutron transmission neutron filters technique [1] has been successfully applied to produce quasi-monoe- nergetic neutrons for basic research and application. Some advantage uses of reactor based filtered beams can ...
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Prompt fission gamma-ray emission spectral data for 239Pu(n,f) using fast directional neutrons from the LICORNE neutron source
... the gamma detector versus the observed gamma-ray ...the prompt neutron response. The prompt neutrons are well separated from the prompt gamma ...the prompt ...
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Afterglow Observations of Fermi Large Area Telescope Gamma-ray Bursts and the Emerging Class of Hyper-energetic Events
... One way to circumvent this requirement is if the jets have ex- tremely high magnetization parameters (σ 1; Tchekhovskoy et al. 2009), as such Poynting-flux-dominated jets can be accel- erated to extreme Lorentz factors ...
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COMPARATIVE STUDY OF PGA AND INAA FOR ANALYSES OF METEORITE SAMPLES
... Prompt gamma-ray analysis (PGA) and instrumental neutron activation analysis (INAA) are essential for the study of rare samples such as meteorites because of non-destructivity and relatively being ...
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Highlights of GeV gamma-ray astronomy
... Despite being known from the beginning of gamma-ray astrophysics, the diffuse Galactic radiation has proven chal- lenging to model in detail. Large-scale features are mod- eled reasonably well by physical ...
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Medium-Energy Gamma-Ray Astrophysics with the 3-DTI Gamma-Ray Telescope
... Abstract– Gamma-ray observations in the medium energy range ...medium-energy gamma-ray observations, however, are the low photon statistics and large ...energy gamma-ray ...
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Total prompt γ-ray emission in fission
... The prompt J rays emitted in fission were detected by the DANCE array in coincidence with the detection of fission fragments by a compact PPAC ...J ray detected by DANCE were collected for all isotopes ...
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A Compton camera prototype for prompt gamma medical imaging
... The prompt photon energy spectra measured with the LaBr 3 :Ce scintil- lator both for the water (left column) and PMMA phantom (right column) are shown in ...
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International Year of Astronomy (IYA-2009) and its significance
... Many cosmic X-ray sources were observed during 1960s by rocket borne detectors. The first X-ray satellite UHURU was launched in 1961 to do a systematic sky survey and found more than 300 X-ray ...
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Gamma-Ray Dose Measurement with Radio-Photoluminescence Glass Dosimeter in Mixed Radiation Field for BNCT
... We carried out irradiation experiments using low-energy X-rays to compare the theoretical sensitivity of RPLGDs to photons with the actual dose sensitivity of the glass. From the results in the previous experiments using ...
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Highlights from the COS-B mission
... the gamma—ray intensities predicted for the molecular clouds as traced by CO data are fully consistent with the measurements: There is no indication for an enhancement of cosmic rays inside these ...the ...
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Gamma-Ray Burst Progenitors
... Fig. 6 The characteristic visibility horizons for the detection of different observational manifestations of compact object mergers. The top panel shows all the likely signatures overplotted for comparison, while they ...
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Study of gamma-ray background noise for radioactive waste drum characterization with plastic scintillators
... such gamma rays, most of them with an energy larger than 1 MeV, which could lead to spurious coincidences in a measurement system with plastic ...such gamma rays, while preserving the largest possible ...
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Prompt γ-ray spectroscopy of the neutron-rich 124Cd
... medium-to-high spin data on nuclei in the neutron-rich mass 80 − 160 regions comes from prompt -ray spectroscopy measurements of spontaneous fission sources then the studies of the symmetric fission region ...
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