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Author: peter volkovitsky
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1. Absolute Ag108m Characterization Based on Gamma-gamma Coincident Detection by Two Nal(T1) Detectors
Published: 12/4/2009
Author: Peter Volkovitsky
Abstract: A two-dimensional analysis of three coincident gammas in Ag108m decay, detected by two Nal(T1) scintillation detectors, allows a direct measurement of the source activity. A modification of Eldridge-Crowther formulas derived originally for 125I was ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902847

2. Absolute Co-60 characterization based on gamma-gamma coincident detection by two Nal(Tl) detectors
Published: 7/1/2009
Authors: Peter Volkovitsky, P. Naudus
Abstract: A new modification of gamma-gamma coincident activity measurement method was used for characterization of Co-60. Two-dimensional analysis of coincident events allows carefully calculating the fraction of Compton scattered gammas for each of two gamm ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=900199

3. Alignment of Fiducial Marks in a Tomographic Tilt Series with an Unknown Rotation Axis
Published: 4/1/2007
Authors: Zachary H Levine, Peter Volkovitsky, Howard Hung
Abstract: Alignment for tomography using a transmission electron microscopy frequently uses colloidal gold particles as fiducial reference marks. Typically, there is an implicit assumption that the tilt axis of the tomographic series is orthogonal to the beam ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906668

4. Investigation of Radioactivity in Selected Drinking Water Samples From Maryland
Published: Date unknown
Authors: Iisa Outola, Svetlana Nour, Hiromu Kurosaki, Kenneth G Inn, J J La Rosa, Larry Lee Lucas, Peter Volkovitsky, Kevin Koepenick
Abstract: In 2004, levels of radioactivity exceeding federal drinking water standards were found in two separate areas of Maryland through gross alpha and beta screening measurements. It was desired to know which radionuclides were responsible for the activity ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841173

5. NIST ^u222^Rn emission standards
Published: 1/1/2006
Author: Peter Volkovitsky
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=103656

6. NIST ^u222^Rn emission standards
Published: 1/1/2006
Author: Peter Volkovitsky
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=103657

7. Possible PET Isotope Production Using Linear Deuteron Accelerators
Published: 1/1/2005
Authors: Peter Volkovitsky, David McLarty Gilliam
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=103658

8. Radon Monitor Calibration Using NIST Radon Emanation Standards: Steady Flow Method
Published: 1/1/2005
Authors: P Kotrappa, L R Stieff, Peter Volkovitsky
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=103203



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