Results 21 to 30 of about 184,645 (294)

Key signal contributions in photothermal deflection spectroscopy [PDF]

open access: yes, 2019
We report on key signal contributions in photothermal deflection spectroscopy (PDS) of semiconductors at photon energies below the bandgap energy and show how to extract the actual absorption properties from the measurement data.
Bass M.   +9 more
core   +2 more sources

Calculation of the Effects of Silver (Ag) Dopant on Radiation Shielding Efficiency of BiPbSrCaCuO Superconductor Ceramics Using EGS4 Code

open access: yesApplied Sciences, 2023
In the current study, the effects of silver (Ag) additive on the radiation shielding efficiency of BiPbSrCaCuO superconducting ceramics was calculated using the EGS4 code and discussed theoretically by comparison with XCOM data.
Selim Kaya
doaj   +1 more source

In-Beam Background Suppression Shield [PDF]

open access: yes, 2015
The long (3ms) proton pulse of the European Spallation Source (ESS) gives rise to unique and potentially high backgrounds for the instrument suite. In such a source an instrument capabilities will be limited by it's Signal to Noise (S/N) ratio.
Ansell, S.   +4 more
core   +2 more sources

Calibration of an HPGe detector and self-attenuation correction for Pb-210: Verification by alpha spectrometry of Po-210 in environmental samples [PDF]

open access: yes, 2007
In this work the calibration of an HPGe detector for Pb-210 measurement is realised by a liquid standard source and the determination of this radionuclide in solid environmental samples by gamma spectrometry takes into account a correction factor for ...
Bochud, F.   +5 more
core   +1 more source

FXG mass attenuation coefficient evaluation for radiotherapy routine

open access: yesJournal of Physics: Conference Series, 2004
The knowledge of a radioactive beam energy or quality is important in radiotherapy once it is correlated with the type, size, and localization of the tumor. One indicative of the radiation quality is the half-value-layer (HVL), the material thickness which reduces the beam intensity to half.
M V Moreira   +3 more
openaire   +1 more source

Determination of some useful radiation interaction parameters for waste foods

open access: yesNuclear Engineering and Technology, 2018
The mass attenuation coefficients (μ/ρ) of food waste samples (pomegranate peel, acorn cap, lemon peel, mandarin peel, pumpkin peel, grape peel, orange peel, pineapple peel, acorn peel and grape stalk) have been measured employing a Si(Li) detector at 13.
F. Akman   +5 more
doaj   +1 more source

Fabrication, characterization, simulation and experimental studies of the ordinary concrete reinforced with micro and nano lead oxide particles against gamma radiation

open access: yesNuclear Engineering and Technology, 2021
The concrete is considered as an important radiation shielding material employed widely in nuclear reactors, particle accelerators, laboratory hot cells and other different radiation sources.
K. Mokhtari   +3 more
doaj   +1 more source

Noise control by sonic crystal barriers made of recycled materials [PDF]

open access: yes, 2010
A systematic study of noise barriers based on sonic crystals made of cylinders that use recycled materials like absorbing component is here reported.
Allard J. F.   +10 more
core   +1 more source

Investigation of radiological properties of imaging agents used in nuclear medicine with different methods and GATE/Geant4 simulation program [PDF]

open access: yesNuclear Technology and Radiation Protection, 2023
This study aims to determine the radiological properties of various radiopharmaceuticals used in nuclear medicine. In the study, mass attenuation coefficient values in different energy ranges were obtained for six different radiopharmaceuticals ...
Sahmaran Turan, Tugrul Taylan
doaj   +1 more source

Measurements of the Suitability of Large Rock Salt Formations for Radio Detection of High Energy Neutrinos [PDF]

open access: yes, 2001
We have investigated the possibility that large rock salt formations might be suitable as target masses for detection of neutrinos of energies about 10 PeV and above.
Allen Odian   +35 more
core   +2 more sources

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