Investigating the anisotropic scintillation response in anthracene through neutron, gamma-ray, and muon measurements
Abstract
Our paper reports a series of measurements that characterize the directional dependence of the scintillation response of crystalline anthracene to incident DT neutrons, DD neutrons, 137Cs gamma rays, and, for the first time, cosmic ray muons. Moreover, the neutron measurements give the amplitude and pulse shape dependence on the proton recoil direction over one hemisphere of the crystal, confirming and extending previous results in the literature. In similar measurements using incident gamma rays, no directional effect is evident, and any anisotropy with respect to the electron recoil direction is constrained to have a magnitude of less than a tenth of that present in the proton recoil events. Cosmic muons are measured at two directions, and no anisotropy is observed. Our set of observations indicates that high dE/dx is necessary for an anisotropy to be present for a given type of scintillation event, which in turn could be used to discriminate among different hypotheses for the underlying causes of the anisotropy, which are not well understood.
- Authors:
-
- Univ. of California, Berkeley, CA (United States)
- Sandia National Lab. (SNL-CA), Livermore, CA (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
- OSTI Identifier:
- 1257805
- Report Number(s):
- SAND-2016-2176J
Journal ID: ISSN 0018-9499; 620054; TRN: US1601758
- Grant/Contract Number:
- AC04-94AL85000
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- IEEE Transactions on Nuclear Science
- Additional Journal Information:
- Journal Name: IEEE Transactions on Nuclear Science; Journal ID: ISSN 0018-9499
- Publisher:
- Institute of Electrical and Electronics Engineers (IEEE)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
Citation Formats
Schuster, Patricia, and Brubaker, Erik. Investigating the anisotropic scintillation response in anthracene through neutron, gamma-ray, and muon measurements. United States: N. p., 2016.
Web. doi:10.1109/tns.2016.2542589.
Schuster, Patricia, & Brubaker, Erik. Investigating the anisotropic scintillation response in anthracene through neutron, gamma-ray, and muon measurements. United States. https://doi.org/10.1109/tns.2016.2542589
Schuster, Patricia, and Brubaker, Erik. 2016.
"Investigating the anisotropic scintillation response in anthracene through neutron, gamma-ray, and muon measurements". United States. https://doi.org/10.1109/tns.2016.2542589. https://www.osti.gov/servlets/purl/1257805.
@article{osti_1257805,
title = {Investigating the anisotropic scintillation response in anthracene through neutron, gamma-ray, and muon measurements},
author = {Schuster, Patricia and Brubaker, Erik},
abstractNote = {Our paper reports a series of measurements that characterize the directional dependence of the scintillation response of crystalline anthracene to incident DT neutrons, DD neutrons, 137Cs gamma rays, and, for the first time, cosmic ray muons. Moreover, the neutron measurements give the amplitude and pulse shape dependence on the proton recoil direction over one hemisphere of the crystal, confirming and extending previous results in the literature. In similar measurements using incident gamma rays, no directional effect is evident, and any anisotropy with respect to the electron recoil direction is constrained to have a magnitude of less than a tenth of that present in the proton recoil events. Cosmic muons are measured at two directions, and no anisotropy is observed. Our set of observations indicates that high dE/dx is necessary for an anisotropy to be present for a given type of scintillation event, which in turn could be used to discriminate among different hypotheses for the underlying causes of the anisotropy, which are not well understood.},
doi = {10.1109/tns.2016.2542589},
url = {https://www.osti.gov/biblio/1257805},
journal = {IEEE Transactions on Nuclear Science},
issn = {0018-9499},
number = ,
volume = ,
place = {United States},
year = {Thu May 05 00:00:00 EDT 2016},
month = {Thu May 05 00:00:00 EDT 2016}
}
Web of Science
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Works referencing / citing this record:
ZnWO 4 anisotropic scintillator for Dark Matter investigation with the directionality technique
journal, January 2017
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- EPJ Web of Conferences, Vol. 136
Radioactive contamination of scintillators
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