An ultrahigh-energy neutrino event detected with the IceCube detector in Antarctica, simultaneous and co-spatial with a multi-wavelength outburst of a blazar about 3 billion light years away, points unambiguously to lepto-hadronic cooling mechanisms in jetted active galactic nuclei.
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Gao, S., Fedynitch, A., Winter, W. & Pohl, M. Nat. Astron. https://doi.org/10.1038/s41550-018-0610-1 (2018).
Giuliani, A. et al. Astrophys. J. 742, L30 (2011).
Rachen, J. P. & Meszaros, P. Phys. Rev. D 58, 123005 (1998).
Davis, R., Harmer, D. S. & Hoffman, K. C. Phys. Rev. Lett. 20, 1205–1209 (1968).
Bionta, R. M. et al. Phys. Rev. Lett. 58, 1494–1496 (1987).
Hirata, K. et al. Phys. Rev. Lett. 58, 1490–1493 (1987).
Aartsen, M. G. et al. (IceCube Collaboration) Science 361, 147–151 (2018).
Paiano, S., Falomo, R., Treves, A. & Scarpa, R. Astrophys. J. 854, L32 (2018).
Aartsen, M. G. et al. (IceCube Collaboration) Phys. Rev. Lett. 113, 101101 (2014).
Kadler, M. et al. Nat. Phys. 12, 807–814 (2016).
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Pian, E. Cosmic hadron colliders. Nat Astron 3, 24–25 (2019). https://doi.org/10.1038/s41550-018-0613-y