Search for Relativistic Magnetic Monopoles with Eight Years of IceCube Data

(IceCube Collaboration)

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


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 Formula Presented and Formula Presented, without any explicit restriction on the monopole mass. We constrain the flux of relativistic cosmic magnetic monopoles to a level below Formula Presented over the majority of the targeted speed range. This result constitutes the most strict upper limit to date for magnetic monopoles with Formula Presented and up to Formula Presented and fills the gap between existing limits on the cosmic flux of nonrelativistic and ultrarelativistic magnetic monopoles.

Original languageEnglish (US)
Article number051101
JournalPhysical review letters
Issue number5
StatePublished - Feb 4 2022

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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