Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Athanasios Athanasiades"'
Pebble bed reactors (PBRs) can improve the safety and economics of the nuclear energy production. PBRs rely on TRIstructural-ISOtropic (TRISO) fuel pebbles for enhanced fission product retention. Accurate characterization of individual fuel pebbles w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::540eb5a8a87b9e8f26831fe528e64575
http://arxiv.org/abs/2303.00675
http://arxiv.org/abs/2303.00675
Autor:
Stephen Croft, Liang Sun, Athanasios Athanasiades, Jason P. Hayward, Angela T. Simone, Jeffrey L. Lacy, Robert Dennis McElroy
Publikováno v:
IEEE Transactions on Nuclear Science. 64:2690-2697
3He gas has been used in various scientific and security applications for decades, but it is now in short supply. Alternatives to 3He detectors are currently being integrated and tested in neutron coincidence counter designs, of a type which are wide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbb368d9914eea9922ba14f5738b884e
https://doi.org/10.1109/tns.2017.2742986
https://doi.org/10.1109/tns.2017.2742986
Autor:
Tom D. Lyons, Murari Regmi, Athanasios Athanasiades, Gerson J. Vazquez-Flores, Jeffrey L. Lacy, Nicholas S. King, Christopher S. Martin, Stephen Davenport
Publikováno v:
IEEE Transactions on Nuclear Science. 64:1696-1703
We have developed a large-area, low-cost, high-efficiency neutron detector for vehicle-mounted operation. The detector, which has overall dimensions 12.7 cm $\times 91.4$ cm $\times 102$ cm (5” $\times 36$ ” $\times 40$ ”), a sensitive area equ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f43477a6b39cc9b3ed1ee578d699407d
https://doi.org/10.1109/tns.2016.2631451
https://doi.org/10.1109/tns.2016.2631451
Autor:
Stephen Davenport, Jianrong Zhou, Liang Sun, Athanasios Athanasiades, Christopher S. Martin, Henry Phung, Zhijia Sun, Jeffrey L. Lacy
Publikováno v:
2019 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC).
A neutron imaging detector, based on boron-coated straws (BCS), a technology aimed to replace 3He tubes in large- scale neutron science instruments, has been tested at the China Spallation Neutron Source (CSNS), a recently commissioned neutron scienc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bbedf844668045199d9cc7405c363f5
https://doi.org/10.1109/nss/mic42101.2019.9059993
https://doi.org/10.1109/nss/mic42101.2019.9059993
Autor:
Christopher S. Martin, Athanasios Athanasiades, J.L. Lacy, Liang Sun, Murari Regmi, Georg Ehlers
Prototypes of in-house developed boron-coated straw (BCS) detectors have been tested in the thermal and cold neutron energy ranges. Their neutron detection performance has been benchmarked against the industry standard (detector tubes filled with 3 H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e882354924e31f3af805075674f55858
http://arxiv.org/abs/1908.01652
http://arxiv.org/abs/1908.01652
Publikováno v:
IEEE Transactions on Nuclear Science. 60:1140-1146
The dwindling supply of 3He has necessitated the adoption of new technologies for detection of neutrons especially in Homeland Security (HS), where detectors require large volumes of the precious gas. The boron-coated straw (BCS) technology consists
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a00b8a5fd89a5ad01400d6632284456e
https://doi.org/10.1109/tns.2013.2248166
https://doi.org/10.1109/tns.2013.2248166
Autor:
Athanasios Athanasiades, Christopher S. Martin, Edward X. Zhang, Jeffrey L. Lacy, Stephen Davenport, Nicholas S. King, Gerson J. Vazquez-Flores, Richard Nguyen
Publikováno v:
2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD).
The boron-coated straw (BCS) neutron detection technology has been proposed as an attractive 3He replacement solution in a series of applications in homeland security, neutron science, and safeguards. In order to improve the neutron detection efficie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15733ed063cca6e86450c0141016257b
https://doi.org/10.1109/nssmic.2016.8069783
https://doi.org/10.1109/nssmic.2016.8069783
Autor:
Murari Regmi, Christopher S. Martin, Athanasios Athanasiades, Gerson J. Vazquez-Flores, Georg Ehlers, Jeffrey L. Lacy
Publikováno v:
2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD).
In previous projects funded by the DOE, Proportional Technologies, Inc. developed the basic design of a neutron imaging detector, based on the boron-coated straw technology, aimed to replace 3He tubes in large-scale neutron science instruments. Recen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76828d31e8b5764b24b4d9671d098f9b
https://doi.org/10.1109/nssmic.2016.8069723
https://doi.org/10.1109/nssmic.2016.8069723
Autor:
Liang Sun, Tom D. Lyons, Athanasios Athanasiades, Jeffrey L. Lacy, Hal B. Haygood, Michael A. Foss, Christopher S. Martin
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 652:359-363
US and international government efforts to equip major seaports with large area neutron detectors, aimed to intercept the smuggling of nuclear materials, have precipitated a critical shortage of 3 He gas. It is estimated that the annual demand of 3 H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23519a6fddbb55032811b45dc028f695
https://doi.org/10.1016/j.nima.2010.09.011
https://doi.org/10.1016/j.nima.2010.09.011
Autor:
Christopher S. Martin, Athanasios Athanasiades, J.L. Lacy, N.N. Shehad, L. Sun, Robert A. Austin
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 505:252-255
Position sensing in cylindrical ionization detectors is essential for imaging applications and can be used to improve energy resolution. We propose a readout design that incorporates a resistive cathode and external pickup electrodes. Signals induced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbde6c28c5f934f0a090cb7ab66ad344
https://doi.org/10.1016/s0168-9002(03)01063-5
https://doi.org/10.1016/s0168-9002(03)01063-5