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You searched on: Topic Area: Radiation Physics Sorted by: title

Displaying records 21 to 26.
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21. Standardization of Broadband UV Measurements
Topic: Radiation Physics
Published: 1/1/2013
Author: George P Eppeldauer
Abstract: The CIE standardized rectangular-shape UV response functions can be realized only with large spectral mismatch errors. The spectral power-distribution of UV sources is not standardized. Accordingly, the readings of different types of UV meters, even ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913173

22. Test Report-Exposure and Ambient dose Equivalent Rate Measurements in Support of the ITRAP+10 Testing
Series: Technical Note (NIST TN)
Report Number: 1800
Topic: Radiation Physics
Published: 8/1/2013
Authors: Leticia S Pibida, Ronaldo Minniti, Larry Lee Lucas, C Michelle O\'Brien
Abstract: In this work we studied the response of two different Victoreen® instruments as a function of the exposure rate, the instrument orientation and photon energy. The rate dependence for both instruments is of the order of 8 % over the range of expos ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913883

23. Uncertainties in Internal Gas Counting
Topic: Radiation Physics
Published: 5/22/2015
Authors: Michael P Unterweger, L Johansson, M Rodriques, A Yunoki, Lisa R Karam
Abstract: The uncertainties in internal gas counting can, for the most part, be split into two areas: counting and sample gas measurement uncertainties and the counting uncertainties. The former includes measurements of counting and sample gas quantities and a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917805

24. Use of the Bethe Equation for Inner-Shell Ionization by Electron Impact
Topic: Radiation Physics
Published: 5/13/2016
Authors: Cedric John Powell, Xavier Llovet, Francesc Salvat
Abstract: We analyzed calculated cross sections for K-, L-, and M-shell ionization by electron impact to determine the energy ranges over which these cross sections are consistent with the Bethe equation for inner-shell ionization. Our analysis was performed w ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=919625

25. Validation Testing of Standard Requirements for Backpack-type Radiation Detectors
Series: Technical Note (NIST TN)
Report Number: 1789
Topic: Radiation Physics
Published: 3/18/2013
Authors: Leticia S Pibida, Bruce R Norman
Abstract: Two gross count and one radionuclide identification backpack-type radiation detectors (BRDs) were used to validate radiological test requirements listed in the Domestic Nuclear Detection Office (DNDO), Technical Capability Standard (TCS) for BRDs ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913250

26. Wide Angle Polarization Analysis with Neutron Spin Filters
Topic: Radiation Physics
Published: 4/29/2013
Authors: Qiang Ye, Thomas R Gentile, Jeffrey R. Anderson, Collin L. Broholm, Wangchun Chen, Z DeLand, Ross W. Erwin, C. B. Fu, John E Fuller III, Aaron V Kirchhoff, J. A. Rodriguez-Rivera, V. Thampy, T G Walker, Shannon M Watson
Abstract: We report substantial improvements in a compact wide angle neutron spin filter system that was recently employed on the Multi-Axis Crystal Spectrometer at the Center for Neutron Research at the U.S. National Institute of Standards and Technology. The ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911975



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