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Search for Relativistic Magnetic Monopoles with Eight Years of IceCube Data

Author(s)
Conrad, Janet
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Abstract
We present an all-sky 90\% confidence level upper limit on the cosmic flux of relativistic magnetic monopoles using 2886 days of IceCube data. The analysis was optimized for monopole speeds between 0.750$c$ and 0.995$c$, without any explicit restriction on the monopole mass. We constrain the flux of relativistic cosmic magnetic monopoles to a level below $2.0\times 10^{-19} {\textrm{cm}}^{-2} {\textrm{s}}^{-1} {\textrm{sr}}^{-1}$ over the majority of the targeted speed range. This result constitutes the most strict upper limit to date for magnetic monopoles above the Cherenkov threshold and up to $\beta \sim 0.995$ and fills the gap between existing limits on the cosmic flux of non-relativistic and ultrarelativistic magnetic monopoles
Date issued
2022-02-04
URI
https://hdl.handle.net/1721.1/142023
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review Letters
Publisher
American Physical Society (APS)
Citation
Conrad, Janet. 2022. "Search for Relativistic Magnetic Monopoles with Eight Years of IceCube Data." Physical Review Letters, 128 (5).
Version: Final published version

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