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You searched on: Author: thomas gentile Sorted by: title

Displaying records 1 to 10 of 88 records.
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1. 3He Neutron Spin Filters for a Thermal Neutron Triple Axis Spectrometer
Published: 1/1/2007
Authors: W C Chen, G Armstrong, Y Chen, B Collett, R Erwin, Thomas R Gentile, G L Jones, J W Lynn, S Steinberg, J E Mckenney

2. A Large Area Polarized 3He Neutron Spin Filter
Published: 1/1/2007
Authors: T E Chupp, K A Coulterpark, M Kandes, Katelynn A. Sharma, T B Smith, G Jones, W C Chen, Thomas R Gentile, D R Rich, B Lauss, M T Gericke, R C Gillis, S A Page, J D Bowman, S I Penttila, W S Wilburn, M Dabaghyan, F W Hersman, M Mason

3. A Measurement of the Parity Violating Gamma-ray Asymmetry in the Capture of Polarized Cold Neutrons on Protons
Published: 1/31/2011
Authors: Thomas R Gentile, M T Gericke, R. Alarcon, S. Balascuta, L. Barron, C S Blessinger, J D Bowman, R D Carlini, W.C. Chen, T E Chupp, C. Crawford, S. Covrig, M Dabaghyan, N. Formin, S J Freedman, R C Gillis, G L. Greene, F W Hersman, T. Ino, G L. Jones, B Lauss, M Leuschner, W R Lozowski, R Mahurin, Y Masuda, J Mei, G S Mitchell, S Muto, H Nann, S A Page, S I Penttila, W D Ramsay, A. Salas-Bacci, S Santra, Katelynn A. Sharma, P.-N. Seo, E I Sharapov, T B Smith, W M. Snow, W S Wilburn, V Yuan
Abstract: The NPDGamma collaboration reports results from the first phase of a measurement of the parity violating up-down asymmetry A_gamma with respect to the neutron spin direction of gamma-rays emitted in the reaction n + p -> d + gamma using the capture ...

4. A New Cold Neutron Imaging Instrument at NIST
Published: 7/6/2015
Authors: Daniel S Hussey, Christoph Wilhelm Brocker, David L Jacobson, Thomas R Gentile, Wangchun Chen, Elias M Baltic, DV Baxter, J. Doskow, Muhammad Arif
Abstract: The NIST neutron imaging program will build a new imaging instrument in the NCNR guide hall at the end of the neutron guide NG-6, beginning operation in summer of 2014. The NG-6 guide has a spectrum that is strongly peaked at a neutron wavelength of ...

5. A New Method for Precision Cold Neutron Polarimetry Using a ^u3^He Spin Filter
Published: 1/1/2005
Authors: Fred Eberhardt Wietfeldt, Thomas R Gentile

6. A Wide Angle Neutron Spin Filter System Using Polarized 3He
Published: 10/16/2010
Authors: Changbo Fu, Thomas R Gentile, Wangchun Chen, Ross W. Erwin, Shannon M Watson, Collin L. Broholm, Jose A. Rodriguez, Julia K Scherschligt, G L Jones
Abstract: Polarized 3He neutron spin filters can operate over a wide neutron energy range and provide a large angular acceptance. A compact 3He neutron spin filter system has been developed for the Multi Axis Crystal Spectrometer at the NIST Center ...

7. A gamma and X-ray dector for cryogenic, high magnetic field applications
Published: 7/13/2012
Authors: Thomas R Gentile, R L Cooper, R. Alarcon, M J Bales, E J Beise, H Breuer, J. Byrne, T E Chupp, Kevin J Coakley, Maynard S Dewey, Changbo Fu, Hans P Mumm, Jeffrey S Nico, B. O'Neill, K. Pulliam, Alan K Thompson, F E. Wietfeldt
Abstract: As part of an experiment to measure the spectrum of photons emitted in beta-decay of the free neu- tron, we developed and operated a detector consisting of 12 bismuth germanate (BGO) crystals coupled to avalanche photodiodes (APDs). The detector wa ...

8. Absolute Response Calibration of a Transfer Standard Cryogenic Bolometer
Published: 1/1/1995
Authors: George P Eppeldauer, Alan L Migdall, Thomas R Gentile, C L Cromer

9. An experiment for the precision measurement of the radiative decay mode of the neutron
Published: 10/5/2009
Authors: R Cooper, Christopher D. Bass, E Beise, H Breuer, J Byrne, T E Chupp, Kevin J Coakley, Maynard S Dewey, B Fisher, Changbo Fu, Thomas R Gentile, M. McGonagle, Hans P Mumm, Jeffrey S Nico, Alan K Thompson, F E. Wietfeldt
Abstract: The neutron typically beta decays into a proton, electron, and antineutrino. In some decays, it can be accompanied by a high energy photon. We recently performed the rst observation of the radiative beta decay branch for the free neutron with phot ...

10. Calibration of a Pyroelectric Detector at 10.6 {mu}m Using the NIST High Accuracy Cryogenic Radiometer
Published: 1/1/1997
Authors: Thomas R Gentile, Jeanne M Houston, George P Eppeldauer, Alan L Migdall, C L Cromer

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