Готові списки джерел за темами / Enhanced neutron detectors

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Добірка наукової літератури з теми "Enhanced neutron detectors"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 12 лютого 2022

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Статті в журналах з теми "Enhanced neutron detectors"

Radulović, Vladimir, Klemen Ambrožič, Ivana Capan, et al. "SILICON CARBIDE NEUTRON DETECTOR PROTOTYPE TESTING AT THE JSI TRIGA REACTOR FOR ENHANCED BORDER AND PORTS SECURITY." EPJ Web of Conferences 247 (2021): 16002. http://dx.doi.org/10.1051/epjconf/202124716002.

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In 2016, the “E-SiCure” project (standing for “Engineering Silicon Carbide for Border and Port Security”), funded by the NATO Science for Peace and Security Programme was launched. The main objective is to combine theoretical, experimental and applied research towards the development of radiation-hard SiC-based detectors of special nuclear materials (SNM), with the end goal to enhance border and port security barriers. Prototype neutron detectors, configured as 4H-SiC-based Schottky barrier diodes, were developed for the detection of secondary charged particles (tritons, alphas and lithium ato

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Ivkovic, Ana, Dario Faj, Mladen Kasabasic, et al. "The influence of shielding reinforcement in a vault with limited dimensions on the neutron dose equivalent in vicinity of medical electron linear accelerator." Radiology and Oncology 54, no. 2 (2020): 247–52. http://dx.doi.org/10.2478/raon-2020-0024.

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AbstractBackgroundHigh energy electron linear accelerators (LINACs) producing photon beams with energies higher than 10 MeV are widely used in radiation therapy. In these beams, fast neutrons are generated, which results in undesired contamination of the therapeutic beam. In this study, measurements and Monte Carlo (MC) simulations were used to obtain neutron spectra and dose equivalents in vicinity of linear accelerator.Materials and methodsLINAC Siemens Oncor Expression in Osijek University Hospital is placed in vault that was previously used for 60Co machine. Then, the shielding of the vaul

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Castillejos, Pamela, and M. Susan Hallbeck. "Evaluation of a Hand-Held Neutron Detector for Usability, Design and Comfort." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 51, no. 17 (2007): 1001–5. http://dx.doi.org/10.1177/154193120705101701.

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Seven male first responders were surveyed about the usability, design, and comfort of a hand-held commercially available neutron detector. The primary goal of the questionnaire was to identify the positive and negative features, and evaluate what could be enhanced on new detectors. Some of the negative features found on the detector were that it was heavy, unbalanced, too big, and difficult to handle while wearing gloves. The first responders couldn't use the controls well while wearing gloves and the force required for the use of the controls is too hard. Using the recommendations given by th

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Morichi, Massimo, Erica Fanchini, and Giacomo Mangiagalli. "A Novel Portable Device For Gamma And Neutron Spectroscopy With Special Nuclear Material Identification." EPJ Web of Conferences 225 (2020): 07006. http://dx.doi.org/10.1051/epjconf/202022507006.

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The development of new types of detectors and the increased performance of the electronics have paved the way for developing advanced systems for the measurement and identification of radioactive material that can be involved, for example, in illicit trafficking. Radioactive isotope identifiers are today commercially available. Nowadays those systems make use of inorganic scintillators as Sodium Iodide (NaI(Tl)) or, for enhanced resolution, Lanthanum Bromide (LaBr3) to identify the gamma emitters through their characteristic gamma lines. The most complete systems usually include an additional

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Coates, L., A. D. Stoica, C. Hoffmann, J. Richards, and R. Cooper. "The macromolecular neutron diffractometer (MaNDi) at the Spallation Neutron Source, Oak Ridge: enhanced optics design, high-resolution neutron detectors and simulated diffraction." Journal of Applied Crystallography 43, no. 3 (2010): 570–77. http://dx.doi.org/10.1107/s0021889810008587.

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The macromolecular neutron diffractometer MaNDi is currently under construction at the first target station of the Spallation Neutron Source at Oak Ridge National Laboratory. This instrument will collect neutron diffraction data from small single crystals (0.1–1 mm3) with lattice constants between 100 and 300 Å, as well as data from less well ordered systems such as fibers. A focusing neutron guide has been designed to filter the high-energy neutron component of the spectrum and to provide a narrow beam with a wide spectral window and angular divergence almost insensitive to neutron wavelength

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Paik, Ho Jung, M. Vol Moody, and Ronald S. Norton. "SOGRO — Terrestrial full-tensor detector for mid-frequency gravitational waves." International Journal of Modern Physics D 29, no. 04 (2019): 1940001. http://dx.doi.org/10.1142/s0218271819400017.

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Laser interferometer gravitational-wave (GW) detectors are observing signals from merging black hole and neutron star binaries with a frequency window from 10[Formula: see text]Hz to several kHz. Future space-based laser interferometers will open a new window of 0.1[Formula: see text]mHz to 0.1[Formula: see text]Hz. In this paper, we discuss the possibility of constructing a terrestrial GW detector named Superconducting Omni-directional Gravitational Radiation Observatory (SOGRO), which can fill the missing frequency window, 0.1 to 10[Formula: see text]Hz, with astronomically interesting sensi

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Giacomelli, L., M. Nocente, M. Rebai, et al. "Neutron emission spectroscopy of DT plasmas at enhanced energy resolution with diamond detectors." Review of Scientific Instruments 87, no. 11 (2016): 11D822. http://dx.doi.org/10.1063/1.4960307.

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Skubacz, Krystian. "Application of the Böhm chamber for reference beta dose measurements and the calibration of personal dosimeters." Nukleonika 61, no. 1 (2016): 61–67. http://dx.doi.org/10.1515/nuka-2016-0001.

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AbstractThermoluminescent dosimeters (TLDs) currently used in personal and area dosimetry are often utilized to measure doses of ionizing radiation in fields with a more complex structure and therefore they should be calibrated in relation to different radiation types. The results of such calibration presented for UD-813 TLDs allowed for evaluation of their capability in relation to different radiation types like the beta and photon radiation of different energies and neutron radiation generated by the241Am-Be source. The detector response for 60 keV photons was 10% higher than for the 662 keV

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Pfeifer, Kent B., Komandoor E. Achyuthan, Matthew Allen, Michele L. B. Denton, Michael P. Siegal, and Ronald P. Manginell. "Microfabrication of a gadolinium-derived solid-state sensor for thermal neutrons." Journal of Radiation Research 58, no. 4 (2017): 464–73. http://dx.doi.org/10.1093/jrr/rrx010.

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Abstract Neutron sensing is critical in civilian and military applications. Conventional neutron sensors are limited by size, weight, cost, portability and helium supply. Here the microfabrication of gadolinium (Gd) conversion material–based heterojunction diodes for detecting thermal neutrons using electrical signals produced by internal conversion electrons (ICEs) is described. Films with negligible stress were produced at the tensile-compressive crossover point, enabling Gd coatings of any desired thickness by controlling the radiofrequency sputtering power and using the zero-point near p(A

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Puchalska, Monika. "Modelling and measurements of distributions in an adult human phantom undergoing proton scanning beam radiotherapy: lung- and prostate-located tumours." Radiation and Environmental Biophysics 60, no. 2 (2021): 243–56. http://dx.doi.org/10.1007/s00411-021-00895-w.

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AbstractProton radiotherapy has been shown to offer a significant dosimetric advantage in cancer patients, in comparison to conventional radiotherapy, with a decrease in dose to healthy tissue and organs at risk, because the bulk of the beam energy is deposited in the Bragg peak to be located within a tumour. However, it should be kept in mind that radiotherapy of cancer is still accompanied by adverse side effects, and a better understanding and improvement of radiotherapy can extend the life expectancy of patients following the treatment of malignant tumours. In this study, the dose distribu

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Більше джерел

Дисертації з теми "Enhanced neutron detectors"

Pasquale, Frank L. "Development of Novel Semi-conducting Ortho-carborane Based Polymer Films: Enhanced Electronic and Chemical Properties." Thesis, University of North Texas, 2013. https://digital.library.unt.edu/ark:/67531/metadc283826/.

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A novel class of semi-conducting ortho-carborane (B10C2H12) based polymer films with enhanced electronic and chemical properties has been developed. The novel films are formed from electron-beam cross-linking of condensed B10C2H12 and B10C2H12 co-condensed with aromatic linking units (Y) (Y=1,4-diaminobenzene (DAB), benzene (BNZ) and pyridine (PY)) at 110 K. The bonding and electronic properties of the novel films were investigated using X-ray photoelectron spectroscopy (XPS), UV photoelectron spectroscopy (UPS) and Mulliken charge analysis using density functional theory (DFT). These films

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Тези доповідей конференцій з теми "Enhanced neutron detectors"

Chen, Qian, Feng Zhang, Lili Tian, et al. "AN ENHANCED METHOD FOR CRACK EVALUATION UTILIZING NEUTRON GAMMA TRACER IMAGING LOGGING TECHNOLOGY IN CARBONATE RESERVOIR." In 2021 SPWLA 62nd Annual Logging Symposium Online. Society of Petrophysicists and Well Log Analysts, 2021. http://dx.doi.org/10.30632/spwla-2021-0099.

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The evaluation of carbonate rocks with fractures, caves, and pores is of great significance in the search for reservoir sweet spots and the prediction of reservoir productivity. With the advancement of exploration and development technology, the targets of oil and gas exploration move to deep high temperature, high pressure (HPHT) formations drilled with oil-based mud systems. The existing fracture evaluation methods often rely on dipole acoustic logging, electrical or acoustic formation micro-imaging, which utilize the difference of rock and pore fluid petrophysical properties for fracture de

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Bronson, Frazier L. "Finding, Identifying, Localizing, and Quantifying Hidden Radioactivity Using Non-Invasive InSitu Gamma Spectroscopy." In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1140.

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Abstract Radiological characterization in DD & ER projects, when properly applied, can provide much needed information to better plan the project, to guide the progress of the remediation, to know when to stop remediating, and to prove officially that they job is complete. One of the more expensive radiological characterization tasks is the location and quantification of hidden or buried sources. Many samples must normally be taken for laboratory analysis, which is costly and takes much time. With InSitu gamma spectroscopy systems, this can often be done in the field. With Ge detectors and

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Hutchinson, Donald P., and Stephanie A. McElhaney. "Enhanced neutron imaging detector using optical processing." In San Diego '92, edited by John M. Carpenter, David B. Cline, Richard C. Lanza, and David F. R. Mildner. SPIE, 1993. http://dx.doi.org/10.1117/12.138670.

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Grove, C. L., C. Eldridge, J. Burns, C. A. Steer, G. Chapman, and A. Lohstroh. "Neutron spallation to enhance muon scattering tomography." In 2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD). IEEE, 2016. http://dx.doi.org/10.1109/nssmic.2016.8069702.

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Lacy, Jeffrey L., Nicholas S. King, Christopher S. Martin, et al. "Pie-Shaped boron-coated straws with enhanced neutron sensitivity." In 2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD). IEEE, 2016. http://dx.doi.org/10.1109/nssmic.2016.8069783.

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Tolchard, A. C., M. R. Looman, and J. A. Mason. "A Very High Efficiency Neutron Counter for the Measurement of Plutonium in Decommissioning Wastes." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4659.

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The design of the ANTECH Model 2203 Very High Efficiency Neutron Counter (V-HENC) is a natural progression from the well-proven ANTECH Series 2200 Passive Neutron Drum Monitor used for measuring plutonium in intermediate and low level waste (LLW) 200 litre drums. ANTECH has had considerable experience in the implementation of the base design, originally licensed to ANTECH from the Joint Research Centre at Ispra, Italy. Three Series 2200 systems have been supplied by ANTECH: two are in operation at AWE Aldermaston for waste monitoring, and a third is implemented at the SMP facility at BNFL Sell

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Lepore, Luigi, Romolo Remetti, and Mauro Cappelli. "Fast Neutron-Flux Monitoring Instrumentation for Lead Fast Reactors: A Preliminary Study on Fission Chamber Performances." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-31011.

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Although Sodium Fast Reactors (SFRs) are the most investigated solutions for the future fast-flux facilities so far, Lead Fast Reactors (LFRs) promise to be a very competitive alternative thanks to their peculiarity concerning coolant-safety, fuel cycle and waste management. Nevertheless, the development of LFRs presents today some drawbacks still to be solved. Due to the harder neutron flux, the current instrumentation developed for SFRs is likely to be extended to LFRs as a first attempt. Otherwise, new monitoring instrumentation could be developed in order to assure more tailored results. D

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Santala, Marko. "Custom Silicon Detectors To Enhance Jet Neutral Particle Analysers For Dt Operations." In 1st EPS conference on Plasma Diagnostics. Sissa Medialab, 2016. http://dx.doi.org/10.22323/1.240.0056.

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Archambault, Brian C., Joseph R. Lapinskas, Jing Wang, Jeffrey A. Webster, and R. P. Taleyarkhan. "Ascertaining Directional Information From Incident Nuclear Radiation." In 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75759.

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Unprecedented capabilities for the detection of nuclear particles are presented by tensioned metastable fluid states which can be attained via tailored resonant acoustic systems such as the acoustic tensioned metastable fluid detection (ATMFD) systems. Radiation detection in tensioned metastable fluids is accomplished via macro-mechanical manifestations of femto-scale nuclear interactions. Incident nuclear particles interact with the dynamically tensioned metastable fluid wherein the intermolecular bonds are sufficiently weakened such that the recoil of ionized nuclei generates nano-scale vapo

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Santoro, Romualdo, Massimo Caccia, Luca Malinverno, Alexander Martemiyanov, Mark Ellis, and Chris Allwork. "Qualification and performance of a neutron detector system with enhanced gamma discrimination, based on Silicon Photomultiplier arrays coupled to an EJ-299–34 scintillator." In 2017 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC). IEEE, 2017. http://dx.doi.org/10.1109/nssmic.2017.8533117.

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