Matches in SemOpenAlex for { <https://semopenalex.org/work/W4385357750> ?p ?o ?g. }
- W4385357750 abstract "The origin of ultra-high-energy cosmic rays (UHECRs), particles from outer space with energies~$E geq 1;$EeV, is still unknown, though the near-isotropy of their arrival direction distribution excludes a dominant Galactic contribution, and interactions with background photons prevent them from travelling cosmologically large distances. This suggests that their sources must be searched for in nearby galaxy groups and clusters. Deflections by intergalactic and Galactic magnetic fields are expected to hinder such searches but not preclude them altogether. So far, the only anisotropy detected with statistical significance $geq 5sigma$ is a modulation in right ascension in the data from the Pierre Auger Observatory at~$E geq 8;$EeV interpretable as a 7% dipole moment. Various hints for higher-energy, smaller-scale anisotropies have been reported. UHECR arrival direction data from both the Pierre Auger Observatory and the Telescope Array experiment have been searched for anisotropies by a working group with members from both collaborations; combining the two datasets requires a cross-calibration procedure due to the different systematic uncertainties on energy measurements but allows us to perform analyses that are less model-dependent than what can be done with partial sky coverage. We report a significant dipole pointing away from the Galactic Center and a ${sim}4.6sigma$ anisotropy found when comparing the directions of UHECRs with a catalog of starburst galaxies." @default.
- W4385357750 created "2023-07-29" @default.
- W4385357750 creator A5000080128 @default.
- W4385357750 creator A5000203598 @default.
- W4385357750 creator A5000371010 @default.
- W4385357750 creator A5000426164 @default.
- W4385357750 creator A5000854101 @default.
- W4385357750 creator A5001093071 @default.
- W4385357750 creator A5001476689 @default.
- W4385357750 creator A5002127462 @default.
- W4385357750 creator A5002548905 @default.
- W4385357750 creator A5002592647 @default.
- W4385357750 creator A5002619300 @default.
- W4385357750 creator A5002670653 @default.
- W4385357750 creator A5002953964 @default.
- W4385357750 creator A5003253375 @default.
- W4385357750 creator A5003518191 @default.
- W4385357750 creator A5004090348 @default.
- W4385357750 creator A5004396415 @default.
- W4385357750 creator A5004654061 @default.
- W4385357750 creator A5004676445 @default.
- W4385357750 creator A5004776033 @default.
- W4385357750 creator A5004889619 @default.
- W4385357750 creator A5005453128 @default.
- W4385357750 creator A5005674492 @default.
- W4385357750 creator A5005679818 @default.
- W4385357750 creator A5006691848 @default.
- W4385357750 creator A5006788316 @default.
- W4385357750 creator A5006801295 @default.
- W4385357750 creator A5006918127 @default.
- W4385357750 creator A5007019798 @default.
- W4385357750 creator A5007191682 @default.
- W4385357750 creator A5007421145 @default.
- W4385357750 creator A5007679014 @default.
- W4385357750 creator A5007883489 @default.
- W4385357750 creator A5007956073 @default.
- W4385357750 creator A5008328669 @default.
- W4385357750 creator A5008746806 @default.
- W4385357750 creator A5009393990 @default.
- W4385357750 creator A5009687195 @default.
- W4385357750 creator A5009780023 @default.
- W4385357750 creator A5009950983 @default.
- W4385357750 creator A5010037649 @default.
- W4385357750 creator A5010192111 @default.
- W4385357750 creator A5010539701 @default.
- W4385357750 creator A5010686458 @default.
- W4385357750 creator A5011482387 @default.
- W4385357750 creator A5011908933 @default.
- W4385357750 creator A5012505816 @default.
- W4385357750 creator A5012778202 @default.
- W4385357750 creator A5013320839 @default.
- W4385357750 creator A5013377641 @default.
- W4385357750 creator A5013491444 @default.
- W4385357750 creator A5013559758 @default.
- W4385357750 creator A5013749388 @default.
- W4385357750 creator A5013768801 @default.
- W4385357750 creator A5013922621 @default.
- W4385357750 creator A5014547733 @default.
- W4385357750 creator A5014700757 @default.
- W4385357750 creator A5014913522 @default.
- W4385357750 creator A5015009737 @default.
- W4385357750 creator A5015103419 @default.
- W4385357750 creator A5015261103 @default.
- W4385357750 creator A5015456712 @default.
- W4385357750 creator A5015511563 @default.
- W4385357750 creator A5015686241 @default.
- W4385357750 creator A5015755346 @default.
- W4385357750 creator A5015946309 @default.
- W4385357750 creator A5016101629 @default.
- W4385357750 creator A5016361642 @default.
- W4385357750 creator A5017000788 @default.
- W4385357750 creator A5017067621 @default.
- W4385357750 creator A5017265179 @default.
- W4385357750 creator A5017989793 @default.
- W4385357750 creator A5018459087 @default.
- W4385357750 creator A5018586814 @default.
- W4385357750 creator A5018737849 @default.
- W4385357750 creator A5018797520 @default.
- W4385357750 creator A5019387588 @default.
- W4385357750 creator A5019446015 @default.
- W4385357750 creator A5019478154 @default.
- W4385357750 creator A5019540014 @default.
- W4385357750 creator A5019648658 @default.
- W4385357750 creator A5021104102 @default.
- W4385357750 creator A5021964438 @default.
- W4385357750 creator A5022149125 @default.
- W4385357750 creator A5022163697 @default.
- W4385357750 creator A5022436032 @default.
- W4385357750 creator A5022790446 @default.
- W4385357750 creator A5022889040 @default.
- W4385357750 creator A5022929126 @default.
- W4385357750 creator A5023018172 @default.
- W4385357750 creator A5023197965 @default.
- W4385357750 creator A5023342298 @default.
- W4385357750 creator A5023472300 @default.
- W4385357750 creator A5023703953 @default.
- W4385357750 creator A5023734810 @default.
- W4385357750 creator A5023874856 @default.
- W4385357750 creator A5023989323 @default.
- W4385357750 creator A5024446443 @default.