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1. Analysis of Coincidence-Time Loopholes in Experimental Bell Tests
Published: 3/27/2015
Authors: Emanuel H Knill, B. G. Christensen, A. Hill, Y. Zhang, Scott C Glancy, Kevin J Coakley, Lynden Krister Shalm, Sae Woo Nam, P. G. Kwiat
Abstract: We apply a distance-based Bell-test analysis method ["Bell inequalities for continuously emitting sources" E. Knill et al. arXiv:14097732 (2014)] to three experimental data sets where conventional analyses failed or required additional assumptions. T ...

2. Update on the MiniCLEAN Dark Matter Experiment
Published: 3/24/2015
Authors: Kevin J Coakley, K. Rielage, M. Akashi-Ronquest, M. Bodmer, R. Bourque, B. Buck, A. Butcher, T. Caldwell, Y. Chen, F. A. Duncan, E. Flores, J. A. Formaggio, D. Glaster, F. Giuliani, M. Gold, E. Grace, J. Griego, N. Guerrero, V. Guiseppe, R. Henning, A. Hime, S. Jaditz, C. Kachulis, E. Kearns, J. Kelsey, J. R. Klein, A. Latorre, I. Lawson, O. Li, P. Liimatainen, S. Linden, F. Lopez, K. McFarlane, D. N. McKinsey, S. MacMullin, A. Mastbaum, D.-M. Mei, J. Monroe, J. A. Nikkel, J. Oertel, G. D. Orebi Gann, K. Palladino, G. Perumpilly, L. Rodriguez, R. Schnee, S. Seibert, J. Walding, B. Wang, J. Wang, C. Zhang
Abstract: The direct search for dark matter is entering a period of increased sensitivity to the hypothetical Weakly Interacting Massive Particle (WIMP). One such technology that is being examined is a scintillationonly noble liquid experiment, MiniCLEAN. Mi ...

3. Bell Inequalities for Continuously Emitting Sources
Published: 3/4/2015
Authors: Emanuel H Knill, Scott C Glancy, Sae Woo Nam, Kevin J Coakley, Yanbao Zhang
Abstract: A common experimental strategy for demonstrating non-classical correlations is to show violation of a Bell inequality by measuring a continuously emitted stream of entangled photon pairs. The measurements involve the detection of photons by two spat ...

4. Improving Photoelectron Counting and Particle Identification in Scintillation Detectors with Bayesian Techniques
Published: 12/19/2014
Authors: Kevin J Coakley, M. Akashi-Ronquest, P.-A. Amaudruz, B. Beltran, M. Bodmer, M.G. Boulay, R. Bourque, B. Buck, A. Butcher, B. Cai, T. Caldwell, M. Chen, Y. Chen, B. Cleveland, F. A. Duncan, E. O'Dwyer, E. Flores, J. A. Formaggio, D. Gastler, F. Giuliani, M. Gold, V. V. Golovko, P. Gore, K. Graham, E. Grace, J. Griego, N. Guerrero, V. Guiseppe, A. L. Hallin, P. Harvey, R. Henning, A, Hime, J. Hofgartner, S. Jaditz, C. J. Jillings, C. Kachulis, E. Kearns, J. Kelsey, J. R. Klein, M. Ku'zniak, A. Latorre, L. Lawson, O. Li, J. J. Lidgard, P. Liimatainen, S. Linden, W. H. Lippincott, F. Lopez, K. McFarlane, R. Mathew, A. B. McDonald, D.-M Mei, J. Monroe, A. Muir, C. Nantais, J. A. Nikkel, J. Oertel, K. Olsen, G. D. Orebi Gann, C. Oullet, K. Palladino, P. Pasuthip, G. Perumpilly, T. Pollmann, W. Rau, F. Reti'ere, L. Rodriguez, R. Schnee, S. Seibert, P. Skensved, T. Sonley, E. V'azquez Ja' uregui, J. Walding, B. Wang
Abstract: Many current and future dark matter and neutrino detectors are designed to record scintillation light with a large array of photomultiplier tubes (PMTs). The energy resolution and particle identification capabilities of these detectors depend in part ...

5. Adaptive and Robust Statistical Methods for Processing Near-Field Scanning Microwave Microscopy Images
Published: 11/23/2014
Authors: Kevin J Coakley, Samuel Berweger, Atif A. Imtiaz, Thomas M Wallis, Joel C Weber, Pavel Kabos
Abstract: Near-field scanning microwave microscopy offers great potential to facilitate characterization, development and modeling of materials. By acquiring microwave images at multiple frequencies and amplitudes (along with the other modalities) one can stud ...

6. Nonproportionality in the scintillation light yield of bismuth germanate
Published: 11/11/2014
Authors: Thomas R Gentile, M J Bales, H Breuer, T E. Chupp, Kevin J Coakley, R L Cooper, Jeffrey S Nico, Brian O'Neill
Abstract: We present measurements of nonproportionality in the scintillation light yield of bismuth germanate (BGO) for gamma-rays with energies between 6 keV and 662 keV. The scintillation light was read out by avalanche photodiodes (APDs) with both the BGO c ...

7. Detection of Hazardous Liquids using Microwave
Published: 9/24/2014
Authors: Michael D Janezic, Jolene D Splett, Kevin J Coakley, James R. Baker-Jarvis
Abstract: The primary objective of this study is to determine the feasibility of using low-power microwaves to distinguish between hazardous and non-hazardous liquids at security checkpoints. According to the 2008 High-Priority Technology Needs, a report publi ...

8. Stochastic Modeling and Simulation of Marginally Trapped Neutrons
Published: 5/20/2014
Author: Kevin J Coakley
Abstract: For a magnetic trapping experiment, I present an efficient method for simulating experimental beta −decay rates which accounts for loss of marginally trapped neutrons due to wall collisions and other possible loss mechanisms. Monte Carlo estima ...

9. Gallium Nitride Nanowire Probe for Near-Field Scanning Microwave Microscopy
Published: 1/15/2014
Authors: Joel C Weber, Paul Timothy Blanchard, Aric Warner Sanders, Atif A. Imtiaz, Thomas M Wallis, Kevin J Coakley, Kristine A Bertness, Pavel Kabos, Norman A Sanford, Victor M. Bright
Abstract: We report on the fabrication of a GaN nanowire probe for near-field scanning microwave microscopy. A single nanowire was Pt-bonded to a commercial Si cantilever prior to evaporation of a Ti/Al coating to provide a microwave signal pathway. Test ...

10. Neutron Tomography of a Fuel Cell: Statistical Learning Implementation of a Penalized Likelihood Method
Published: 10/15/2013
Authors: Kevin J Coakley, Dominic F. (Dominic F.) Vecchia, Daniel S Hussey, David L Jacobson
Abstract: At the NIST Neutron Imaging Facility, we collect neutron projection data for both the dry and wet states of a Proton-Exchange-Membrane (PEM) fuel cell. Transmitted neutrons captured in a scintillator doped with Lithium-6 produce scintillation li ...

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