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Directional Antineutrino Detection

Author(s)
Suerfu, Burkhant; Safdi, Benjamin
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Abstract
We propose the first event-by-event directional antineutrino detector using inverse beta decay (IBD) interactions on hydrogen, with potential applications including monitoring for nuclear nonproliferation, spatially mapping geoneutrinos, characterizing the diffuse supernova neutrino background and searching for new physics in the neutrino sector. The detector consists of adjacent and separated target and capture scintillator planes. IBD events take place in the target layers, which are thin enough to allow the neutrons to escape without scattering elastically. The neutrons are detected in the thicker boron-loaded capture layers. The location of the IBD event and the momentum of the positron are determined by tracking the positron’s trajectory through the detector. Our design is a straightforward modification of existing antineutrino detectors; a prototype could be built with existing technology.
Date issued
2015-02
URI
http://hdl.handle.net/1721.1/95471
Department
Massachusetts Institute of Technology. Center for Theoretical Physics; Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Safdi, Benjamin R., and Burkhant Suerfu. "Directional Antineutrino Detection." Phys. Rev. Lett. 114, 071802 (February 2015). © 2015 American Physical Society
Version: Author's final manuscript
ISSN
0031-9007
1079-7114

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