arxiv: 2009.04867 · v2 · pith:KRHKC35A · submitted 2020-09-10 · hep-ex · astro-ph.HE· physics.ins-det
Search for Slow Magnetic Monopoles with the NOvA Detector on the Surface
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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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Magnetic Monopoles -- From Dirac to the Large Hadron Collider
hep-ex 2026-05 unverdicted
Magnetic monopoles are theoretically well-motivated but remain unobserved after extensive searches in cosmic rays and at particle colliders such as the LHC.
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