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Search for slow magnetic monopoles with the NOvA detector on the surface
Acero, Mario A. Adamson, P. Aliaga, Leo Meyer, Holger Muether, Mathew Solomey, Nickolas
Acero, Mario A.
Adamson, P.
Aliaga, Leo
Meyer, Holger
Muether, Mathew
Solomey, Nickolas
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Issue Date
2021-01-11
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Article
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Keywords
Cosmic ray composition & spectra,Hypothetical particle physics models,Particle astrophysics,Magnetic monopoles,Neutrino detectors
Subjects (LCSH)
Citation
Acero, M. A., Adamson, P., Aliaga, L., Alion, T., Allakhverdian, V., Anfimov, N., . . . (NOvA Collaboration). (2021). Search for slow magnetic monopoles with the NOvA detector on the surface. Physical Review D, 103(1) doi:10.1103/PhysRevD.103.012007
Abstract
We report a search for a magnetic monopole component of the cosmic-ray flux in a 95-day exposure of the NOvA experiment's Far Detector, a 14 kt segmented liquid scintillator detector designed primarily to observe GeV-scale electron neutrinos. No events consistent with monopoles were observed, setting an upper limit on the flux of $2\times 10^{-14} \mathrm{cm^{-2}s^{-1}sr^{-1}}$ at 90% C.L. for monopole speed $6\times 10^{-4} < \beta < 5\times 10^{-3}$ and mass greater than $5\times 10^{8}$ GeV. Because of NOvA's small overburden of 3 meters-water equivalent, this constraint covers a previously unexplored low-mass region.
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Description
© 2021 authors. Open Access Creative Commons Attribution 4.0 International license
Publisher
American Physical Society
Journal
Book Title
Series
Physical Review D;Vol. 103, Iss. 1
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ISSN
2470-0010
2470-0029
2470-0029