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Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15898
Abstract: BACKGROUND Compton camera has great potential in nuclear medicine imaging due to the high detection efficiency and the ability to simultaneously detect multi-energy radioactive sources. However, the finite resolution of the detectors will degrade the…
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Keywords:
compton;
compton camera;
radiopharmaceutical imaging;
high resolution ... See more keywords
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Published in 2019 at "Indian Journal of Physics"
DOI: 10.1007/s12648-019-01529-0
Abstract: In multiple Compton scattering, the incident gamma photon is scattered more than once due to finite dimensions of the sample. It serves as a noise for the exact evaluation of electron momentum distribution in Compton…
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Keywords:
multiple compton;
angular distribution;
compton;
662 kev ... See more keywords
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Published in 2018 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2017.12.001
Abstract: Abstract Recently, we have shown that as a novel approach, in the case of samples which can be treated as pure incoherent scatterers, the effective atomic number Z eff itself could be conveniently used to…
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Keywords:
profiles composite;
compton profiles;
incoherent scatterers;
pure incoherent ... See more keywords
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Published in 2018 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2018.06.023
Abstract: Abstract In this paper electron momentum density of CaCl2 using 241Am Compton spectrometer is reported. The experimental Compton profile is compared with the corresponding theoretical profiles, computed using different exchange and correlation potentials within linear…
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Keywords:
cacl2 using;
optical properties;
electronic optical;
density ... See more keywords
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Published in 2022 at "Scientific Reports"
DOI: 10.1038/s41598-022-06401-6
Abstract: For radiological diagnosis and radionuclide therapy, X-ray and gamma-ray imaging technologies are essential. Single-photon emission tomography (SPECT) and positron emission tomography (PET) play essential roles in radiological diagnosis, such as the early detection of tumors.…
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Keywords:
mode targeting;
multiple hybrid;
using multiple;
hybrid compton ... See more keywords
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Published in 2020 at "Inverse Problems in Science and Engineering"
DOI: 10.1080/17415977.2020.1815723
Abstract: Compton scattering describes the scattering of a photon after its collision with an electron. The recent developments of spectral cameras, able to collect photons in terms of energy, open the way to a new imaging…
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Keywords:
scattering imaging;
compton;
algorithm compton;
reconstruction algorithm ... See more keywords
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Published in 2018 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/aac8cd
Abstract: Given the strong variations in the sensitivity of Compton cameras for the detection of events originating from different points in the field of view (FoV), sensitivity correction is often necessary in Compton image reconstruction. Several…
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Keywords:
sensitivity models;
compton camera;
sensitivity;
model ... See more keywords
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Published in 2018 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/aae1d1
Abstract: We have been developing a medical imaging technique using a Compton camera. This study evaluates the feasibility of clear imaging with 99mTc and 18F simultaneously, and demonstrates in vivo imaging with 99mTc and/or 18F. We…
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Keywords:
compton camera;
imaging 99mtc;
compton;
99mtc 18f ... See more keywords
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Published in 2020 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/ab8108
Abstract: We calculate differential and integrated cross sections for the Compton interaction as well as mass attenuation (μC/ρ), mass energy-transfer (μtrC/ρ), and mass energy-absorption (μen/ρ) coefficients, within the relativistic impulse approximation (RIA) using Compton profiles (CPs)…
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Keywords:
relativistic impulse;
impulse approximation;
interaction;
compton ... See more keywords
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Published in 2021 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ac3553
Abstract: X-ray free-electron lasers can generate radiation pulses with extreme peak intensities at short wavelengths. This enables the investigation of laser–matter interactions in a regime of high fields, yet at a non-relativistic ponderomotive potential, where ordinary…
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Keywords:
free electrons;
shift;
two photon;
photon compton ... See more keywords
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Published in 2018 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/13/05/p05007
Abstract: Hadron therapy offers the possibility of delivering a large amount of radiation dose to tumors with minimal absorption by the surrounding healthy tissue. In order to fully exploit the advantages of this technique, the use…
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Keywords:
compton telescope;
mev gamma;
compton;
gamma ... See more keywords