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2 results on '"Christopher Wrede"'

1. GADGET: a Gaseous Detector with Germanium Tagging

Author

C. Fry, Antti Saastamoinen, Brian Roeder, D. Pérez-Loureiro, John Yurkon, J. Heideman, P. Tiwari, Marco Cortesi, E. C. Pollacco, B. E. Glassman, Molly Janasik, J. Surbrook, Madison Harris, Jordan Stomps, Michael Roosa, Tamas Budner, M. Friedman, Christopher Wrede, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay

Subjects
Nuclear and High Energy Physics, Proton, Physics::Instrumentation and Detectors, chemistry.chemical_element, Germanium, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Radiative proton capture, 01 natural sciences, 7. Clean energy, Nuclear physics, Gadget, 0103 physical sciences, Nuclear astrophysics, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, Nuclear Experiment, Instrumentation, Physics, 25 Si (βp)24 Mg, 010308 nuclear & particles physics, Detector, MicroMegas detector, Charged particle, β -delayed proton emission, chemistry, MICROMEGAS, Beam (structure), MPGD
Abstract

The Gaseous Detector with Germanium Tagging (GADGET) is a new detection system devoted to the measurement of weak, low-energy β -delayed proton decays relevant for nuclear astrophysics studies. It is comprised of a new gaseous Proton Detector equipped with a Micromegas readout for charged particle detection, surrounded by the existing Segmented Germanium Array (SeGA) for the high-resolution detection of the prompt γ -rays. In this work we describe in detail for the first time the design, construction, and operation of the GADGET system, including performance of the Proton Detector. We present the results of a recent commissioning experiment performed with 25 Si beam at the National Superconducting Cyclotron Laboratory (NSCL). GADGET provided low-background, low-energy β -delayed proton detection with efficiency above 95%, and relatively good efficiency for proton-gamma coincidences (2.7% at 1.37 MeV).

Published
2019
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2. Final results for the neutron $\beta$-asymmetry parameter $A_0$ from the UCNA experiment

Author

D. Smith, B. Tipton, X. Ding, B. VornDick, C. Cude-Woods, M. A. P. Brown, S. K. L. Sjue, Mark Makela, Junhua Yuan, K. Sabourov, D.J. Salvat, S. J. Seestrom, A. L. Sallaska, S.D. Moore, R. B. Vogelaar, B. Allgeier, R. Russell, Christopher Morris, Juan-Manuel Anaya, Gary E. Hogan, Nima Nouri, J. Wexler, S. Kitagaki, Dan Melconian, Masahiro Hino, D.B. Berguno, A. Knecht, G. Swift, Ran Hong, B. Plaster, Robert W. Pattie, A. T. Holley, M. Blatnik, Peter Geltenbort, E. I. Sharapov, Christopher Wrede, A. Pichlmaier, E. Tatar, Kevin Hickerson, C. Swank, A. García, B. W. Filippone, Leah Broussard, J. W. Martin, R. Picker, C. Terai, R. R. Mammei, S. Hoedl, B. A. Zeck, S. Nepal, S. Slutsky, S. Du, Henning O. Back, R. Carr, H. Yan, C.-Y. Liu, X. Sun, Y. Bagdasarova, J. Liu, N. Meier, Scott Currie, D. G. Phillips, W. E. Sondheim, W. A. Teasdale, Syed Hamid Hasan, M. P. Mendenhall, E. B. Dees, T. Kawai, A. R. Young, R. Rios, R. Schmid, Klaus Kirch, Yuchao Xu, Ayman I. Hawari, E. Adamek, R. Mortensen, Steve K. Lamoreaux, John Ramsey, Alexander Saunders, T. J. Bowles, R. Hill, C. Servicky, Steven Clayton, A. Pérez Galván, Michael Pitt, Zhehui Wang, M. Utsuro, J.G. Boissevain, D. J. Clark, Takeyasu M. Ito, J. Hoagland, B. Hona, B. Wehring, T. L. Womack, Institut Laue-Langevin (ILL), ILL, Jenke, Tobias, Degenkolb, Skyler, Geltenbort, Peter, Jentschel, Michael, Nesvizhevsky, Valery V., Rebreyend, Dominique, Roccia, Stéphanie, Soldner, Torsten, Stutz, Anne, and Zimmer, Oliver

Subjects
Physics, Physics - Instrumentation and Detectors, Electron spectrometer, Spectrometer, 010308 nuclear & particles physics, Physics::Instrumentation and Detectors, QC1-999, media_common.quotation_subject, Detector, Electron, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 01 natural sciences, Asymmetry, Nuclear physics, Deuterium, 0103 physical sciences, Ultracold neutrons, Neutron, High Energy Physics::Experiment, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, Nuclear Experiment, media_common
Abstract

EPJ Web of Conferences, 219, ISSN:2100-014X, ISSN:2101-6275, International Workshop on Particle Physics at Neutron Sources (PPNS 2018), Grenoble, France, May 24–26, 2018, ISBN:978-2-7598-9082-8

Published
2018
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