Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Carolyn E. Seifert"'
Autor:
Richard S. Wittman, Jonathan A. Kulisek, Jonathon D. McCall, T. Stewart, Warnick J. Kernan, Carolyn E. Seifert, Sean C. Stave, John E. Schweppe, Ron J. McConn, Erin A. Miller
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 879:84-91
A three-dimensional look-up library consisting of simulated gamma-ray spectra was developed to leverage, in real-time, the abundance of data provided by a helicopter-mounted gamma-ray detection system consisting of 92 CsI-based radiation sensors and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8dee2ec67f12e4c982548092ae46995
https://doi.org/10.1016/j.nima.2017.10.030
https://doi.org/10.1016/j.nima.2017.10.030
Autor:
Birsen Ayaz-Maierhafer, Jason P. Hayward, Carl G. Britt, Andrew J. August, Carolyn E. Seifert, Hairong Qi
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 870:131-139
In this study, we report on a constrained optimization and tradeoff study of a hybrid, wearable detector array having directional sensing based upon gamma-ray occlusion. One resulting design uses CLYC detectors while the second feasibility design inv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca7556631587219020936b4ec1fc2ce8
https://doi.org/10.1016/j.nima.2017.07.020
https://doi.org/10.1016/j.nima.2017.07.020
Autor:
Leah M. Arrigo, Brian D. Milbrath, Allen Seifert, Rebecca S. Detwiler, John E. Smart, Jeremy P. Rishel, Martin E. Keillor, James E. Baciak, Warnick J. Kernan, Carolyn E. Seifert, Randy R. Kirkham
Publikováno v:
Health Physics. 110:526-532
Atmospheric dispersion theory can be used to predict ground deposition of particulates downwind of a radionuclide release. This paper uses standard formulations found in Gaussian plume models to inform the design of an experimental release of short-l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99a4d7a7ff197a85fac0a77b18d4e34e
https://doi.org/10.1097/hp.0000000000000475
https://doi.org/10.1097/hp.0000000000000475
Autor:
Sean C. Stave, Bruce E. Bernacki, Jonathan A. Kulisek, T. Stewart, John E. Schweppe, Warnick J. Kernan, Carolyn E. Seifert, David V. Jordan
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 784:287-292
Helicopter-mounted gamma-ray detectors can provide law enforcement officials the means to quickly and accurately detect, identify, and locate radiological threats over a wide geographical area. The ability to accurately distinguish radiological threa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c7b2204064e5089c42dfde6f4b7e042
https://doi.org/10.1016/j.nima.2014.11.110
https://doi.org/10.1016/j.nima.2014.11.110
Autor:
Kevin K. Anderson, Jonathon D. McCall, Carolyn E. Seifert, Jennifer B. Webster, Sean M. Robinson, Amanda M. Prinke, Erin A. Miller
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 784:332-338
We present a novel technique for the localization of radiological sources in urban or rural environments from an aerial platform. The technique is based on a Bayesian approach to localization, in which measured count rates in a time series are compar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15f9cb5cd2e356473f1ecdcaf06b4fd9
Autor:
Carolyn E. Seifert, Jonathan A. Kulisek, David M. Pfund, Mitchell J. Myjak, Rebecca S. Detwiler
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 784:339-345
This work discusses the application and optimization of a spectral anomaly method for the real-time detection of gamma radiation sources from an aerial helicopter platform. Aerial detection presents several key challenges over ground-based detection.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56b7c78d15435bdd1b9cf5c0d2e07b3f
https://doi.org/10.1016/j.nima.2015.01.040
https://doi.org/10.1016/j.nima.2015.01.040
Autor:
Randy R. Kirkham, Jeremy P. Rishel, Leah M. Arrigo, Warnick J. Kernan, Carolyn E. Seifert, Dudley Emer, Veraun D. Chipman, Matthew R. MacDougall, Allen Seifert, Brian D. Milbrath, James E. Baciak, Martin E. Keillor, Rebecca S. Detwiler, John E. Smart
Publikováno v:
Health physics. 110(5)
A radioactive particulate release experiment to produce a near-field ground deposition representative of small-scale venting from an underground nuclear test was conducted to gather data in support of treaty capability development activities. For thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cfe8bd4e1e787a117960bc1360559f29
https://pubmed.ncbi.nlm.nih.gov/27023040
https://pubmed.ncbi.nlm.nih.gov/27023040
Autor:
Luke E. Erikson, Mitchell J. Myjak, Carolyn E. Seifert, Michael T. Batdorf, Leslie J. Kirihara
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 652:116-119
GammaTracker is a portable handheld radioisotope identifier using position sensitive CdZnTe detectors. High confidence isotope identification is possible on GammaTracker owing to the system’s relatively high energy resolution and count rate sensiti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::198346802d07783fa124bd5f5faf48ae
https://doi.org/10.1016/j.nima.2010.08.065
https://doi.org/10.1016/j.nima.2010.08.065
Autor:
Carolyn E. Seifert, Mitchell J. Myjak
Publikováno v:
IEEE Transactions on Nuclear Science. 56:1351-1355
Several computationally simple methods are presented for determining the direction to one or more radiation sources using the GammaTracker handheld radioisotope identifier. GammaTracker will display a heading indicating the direction to one or more s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fef2b4ab59577f88e1750d46c7e4821b
https://doi.org/10.1109/tns.2009.2020598
https://doi.org/10.1109/tns.2009.2020598
Autor:
Clyde E. Chamberlin, Yanwen Zhang, Vaithiyalingam Shutthanandan, Angel R. Aquino, Damon Hebert, Brian J. Riley, Bradley R. Johnson, Carolyn E. Seifert, S. K. Sundaram, Jarrod V. Crum, Charles H. Henager, Renee M. Van Ginhoven, Angus Rockett
Publikováno v:
Journal of the American Ceramic Society. 92:1236-1243
Cadmium germanium diarsenide glasses were synthesized in bulk form (B2.4 cm 3 ) using procedures adapted from the literature. Several issues involved in the fabrication and quenching of amorphous CdGexAs2 (x 5 0.45, 0.65, 0.85, and 1.00, where x is t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::885402c175b90ca5436c8d001a4dfbc9
https://doi.org/10.1111/j.1551-2916.2009.03001.x
https://doi.org/10.1111/j.1551-2916.2009.03001.x