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Search Publications by

Stephen M Seltzer (Assoc)

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Displaying 1 - 25 of 63

Final Report of the SIM 60 Co Air-Kerma Comparison (KCDB Entry SIM.RI (I)-K1)

October 12, 2021
C K. Ross, K Shortt, M Saravi, A Meghzifene, V M. Tovar, R A. Barbosa, C N. da Silva, F Gutt, Stephen M. Seltzer
Transfer chambers were used to compare the standards for 60Co air kerma maintained by seven laboratories. Six of the laboratories were members of the Sistema Interamericano de Metrolog a (SIM) regional metrological organization while the seventh was the

New National Air-Kerma Standard for Low-Energy Electronic Brachytherapy Sources

October 6, 2014
Stephen M. Seltzer, C M. O'Brien, Michael G. Mitch
The purpose of this report is to document the NIST air-kerma measurement standard for the electronic brachytherapy sources, i.e., the Axxent sources of Xoft, Inc., which operate at tube potentials of 50 kV and anode currents of 300 μA. The use of such

Measurements and Standards for Bulk-Explosive Detection

May 31, 2012
Lawrence T. Hudson, Fred B. Bateman, Paul M. Bergstrom, Frank Cerra, Jack L. Glover, Ronaldo Minniti, Stephen M. Seltzer, Ronald E. Tosh
Due to the ease of assembly and leveraged disruptive effect, the improvised explosive device (IED) is the method of choice of today’s terrorist. With more than ten thousand IED incidents annually, and global expenditures for aviation and commercial

Absolute measurements of x-ray backlighter sources at energies above 10 keVa)

February 1, 2012
Lawrence T. Hudson, B.R. Maddox, H.S. Parks, B A. Remington, C. Chen, S Chen, S. T. Prisbrey, A. Comley, C A. Back, C. Szabo, John F. Seely, Uri Feldman, Stephen M. Seltzer, M. J. Haugh, Z. Ali
Line emission and broadband x-ray sources with x-ray energies above 10 keV have been investigated using a range of calibrated x-ray detectors for use as x-ray backlighters in high energy density (HED) experiments. The conversion efficiency of short- and

Fifty years of AAPM Involvement in Radiation Dosimetry

April 30, 2008
Geoffrey S. Ibbott, C-M Ma, D W O Rogers, Stephen M. Seltzer, J Williamson
This paper reviews the involvement of the AAPM in various aspects of radiation dosimetry over its fifty year history, emphasizing the especially important role that external beam dosimetry played in the early formation of the organization. Topics covered

Absorbed Dose to Water Calibration of Ionization Chambers in a 60 Co Gamma-Ray Beam

September 1, 2006
Ronaldo Minniti, J Shobe, Stephen M. Seltzer, Huaiyu H. Chen-Mayer, S R. Domen
Absorbed-dose-to-water calibrations are important to the medical community to facilitate the accurate determination of doses delivered to tumors during external-beam cancer therapy. The first version of this document offered an absorbed-dose-to-water