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Search Publications by: Nicholas C. Maliszewskyj (Fed)

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Displaying 1 - 11 of 11

The Very Small-Angle Neutron Scattering Instrument at the National Institute of Standards and Technology

February 27, 2022
Author(s)
John Barker, James Moyer, Steven Kline, G. Jensen, Jeremy Cook, Cedric V. Gagnon, Elizabeth Kelley, Jean Philippe Chabot, Nicholas C. Maliszewskyj, Chirag B. Parikh, Wangchun Chen, C. Glinka
A description and the performance of the Very Small-Angle Neutron Scattering (VSANS) Diffractometer at the National Institute of Standards and Technology are presented. The measurement range of the instrument extends over three decades of momentum transfer

Real-Time Signal Processing for Mitigating SiPM Dark Noise Effects in a Scintillating Neutron Detector

July 19, 2021
Author(s)
Kevin N. Pritchard, Jean Philippe Chabot, R. Robucci, F. S. Choa, A. Osovizky, Jeffrey B. Ziegler, Louis E. Binkley, Peter Tsai, Nancy Hadad, M. Jackson, C. Hurlbut, George M. Baltic, Charles Majkrzak, Nicholas C. Maliszewskyj
A 6 LiF:ZnS(Ag) based cold neutron detector with wavelength shifting (WLS) fibers and SiPM photodetector was developed at the NIST Center for Neutron Research. For neutron scattering applications at the NCNR, detector false positives severely diminish the

Measuring Deadtime and Double-Counts in a Non-Paralyzable Scintillating Neutron Detector using Arrival Time Statistics

June 11, 2021
Author(s)
Kevin N. Pritchard, Jean Philippe Chabot, Peter Tsai, R. Roubucci, F. S. Choa, A. Osovizky, Jeffrey B. Ziegler, Louis E. Binkley, Nancy Hadad, M. Jackson, C. Hurlbut, George M. Baltic, Charles Majkrzak, Nicholas C. Maliszewskyj
A 6 LiF:ZnS(Ag) based cold neutron detector with wavelength shifting (WLS) fibers and SiPM photodetector was developed at the NIST Center for Neutron Research for the CANDoR instrument (Chromatic Analysis Neutron Diffractometer or Reflectometer). The

Cold Neutron Radiation Does Effects on a 6 LiF:ZnS(Ag) Neutron Detector with Wavelenght Shifting Fibers and SiPM Photodectector

April 21, 2021
Author(s)
Kevin NMN Pritchard, Daniel S. Hussey, A. Osovizky, Jeffrey B Ziegler, Louis Edward Binkley, Peter Tsai, Nancy Hadad, M. Jackson, C. Hurlbut, George M Baltic, Charles Majkrzak, Nicholas C. Maliszewskyj
A 6 LiF:ZnS(Ag) based cold neutron detector with wavelength shifting (WLS) fibers and SiPM photodetector was developed at the NIST Center for Neutron Research for the CANDoR instrument (Chromatic Analysis Neutron Diffractometer or Reflectometer). To

6 LiF:ZnS(Ag) Neutron Detector Performance Optimized using Waveform Recordings and ROC Curves

January 1, 2020
Author(s)
Kevin N. Pritchard, A. Osovizky, Jeffrey B. Ziegler, Louis E. Binkley, Peter NMN Tsai, Nancy Hadad, M. Jackson, C. Hurlbut, George M. Baltic, Charles Majkrzak, Nicholas C. Maliszewskyj
We used data analysis and pattern recognition techniques to optimize the neutron sensitivity and selectivity of an ultrathin 6 LiF:ZnS(Ag) scintillator based neutron detector paired with a Silicon Photomultiplier (SiPM). We recorded waveforms from the

An Energy Analyzing Detector for Cold Neutrons

November 1, 2018
Author(s)
Nicholas C. Maliszewskyj, A. Osovizky, Kevin Pritchard, Y. Yehuda-Zada, Louis E. Binkley, Jeffrey B. Ziegler, Peter Tsai, Nancy J. Hadad, George M. Baltic, M. Jackson, C. Hurlbut, Charles F. Majkrzak

Design of an Ultrathin Cold Neutron Detector

June 11, 2018
Author(s)
A. Osovizky, Kevin N. Pritchard, Y. Yehuda-Zada, Jeffrey B. Ziegler, Louis E. Binkley, Peter NMN Tsai, Alan Keith Thompson, Nancy Hadad, George M. Baltic, M. Jackson, C. Hurlbut, Charles Majkrzak, Nicholas C. Maliszewskyj
WE describe the designs, fabrication, and performance of an energy analyzing detector package for cold neutron spectrometers at the NIST Center for Neutron Research. The detector package consists of arrays of highly oriented pyrolytic graphite crystals set

Design of an Ultrathin Cold Neutron Detector

June 11, 2018
Author(s)
A. Osovizky, Kevin N. Pritchard, Y. Yehuda-Zada, Jeffrey B. Ziegler, Louis E. Binkley, Peter NMN Tsai, Alan Keith Thompson, Nancy Hadad, M. Jackson, C. Hurlbut, George M. Baltic, Charles Majkrzak, Nicholas C. Maliszewskyj
We describe the design and performance of an ultrathin (

Optimization of 6 LiF:ZnS(Ag) Scintillator Light Yield using GEANT4

June 1, 2018
Author(s)
Y. Yehuda-Zada, Kevin N. Pritchard, Jeffrey B. Ziegler, P. Yvonne Barnes, Kerry Siebein, M. Jackson, C. Hurlbut, Y. Kadmon, Y. Cohen, R. M. Ibberson, Charles Majkrzak, Nicholas C. Maliszewskyj, I. Orion, A. Osovizky
A new cold neutron detector has been developed at the NCNR for the CANDoR project. Geometric and performance constraints dictate that this detector be exceptionally thin (2nm). For this reason, the design of the detector consists of 6 LiF:ZnS(Ag)

Selection of Silicon Photomultipliers for a 6 LiF:ZnS(Ag) Scintillator Based Cold Neutron Detector

April 8, 2018
Author(s)
A. Osovizky, Kevin N. Pritchard, Y. Yehuda-Zada, Jeffrey B. Ziegler, Peter NMN Tsai, M. Ghelman, Alan Keith Thompson, R. M. Ibberson, George M. Baltic, Charles Majkrzak, Nicholas C. Maliszewskyj
We describe the process of selecting a silicon photomultiplier (SiPM) as the light sensor for an ultrathin (2 nm) highly efficient cold neutron proportional counter. The neutron detector consists of 6 LiF:ZnS(Ag) scintillator in which wavelength shifting

6 LiF:ZnS(Ag) Mixture Optimization for a Miniature Highly Efficient Cold Neutron Detector

April 2, 2018
Author(s)
A. Osovizky, Kevin N. Pritchard, Jeffrey B. Ziegler, Louis E. Binkley, Y. Yehuda-Zada, Peter NMN Tsai, Alan Keith Thompson, P. Yvonne Barnes, Kerry Siebein, Nancy Hadad, M. Jackson, C. Hurlbut, R. Ibberson, George M. Baltic, Charles Majkrzak, Nicholas C. Maliszewskyj
We report the optimization of a ^6^LiF:ZnS(Ag) scintillator mixture for an ultrathin (2nm), highly efficient cold neutron dector. Preliminary results with early protypes demonstrate excellent for 3.62 meV (4.75 Angstrom wavelenght) neutrons but mediocre