Constraints on the ultra-high energy cosmic ray output of gamma-ray bursts

E. Moore, B. Gendre, N. B. Orange, F. H. Panther

Research output: Contribution to journalArticlepeer-review


Ultra-high energy cosmic rays are the most extreme energetic particles detected on Earth, ho we ver, their acceleration sites are still mysterious. We explore the contribution of low-luminosity gamma-ray bursts to the ultra-high energy cosmic ray flux, since they form the bulk of the nearby population. We analyse a representative sample of these bursts detected by BeppoSAX , INTEGRAL , and Swift between 1998-2016, and found that in order to reconcile our theoretical flux with the observed flux, these bursts should accelerate at most 10 -13 M⊙of ultra-high energy cosmic rays.

Original languageEnglish
Pages (from-to)555-559
Number of pages5
JournalMonthly Notices of the Royal Astronomical Society
Issue number1
Early online date26 Mar 2024
Publication statusPublished - May 2024


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