PoS - Proceedings of Science
Volume 395 - 37th International Cosmic Ray Conference (ICRC2021) - NU - Neutrinos & Muons
PLE$\nu$M: A global and distributed monitoring system of high-energy astrophysical neutrinos
L.J. Schumacher*, M. Huber, M. Agostini, M. Bustamante, F. Oikonomou and E. Resconi
Full text: pdf
Pre-published on: July 27, 2021
Published on: March 18, 2022
High-energy astrophysical neutrinos, discovered by IceCube, are now regularly observed, albeit at a low rate due to their low flux. As a result, open questions about high-energy neutrino astrophysics and particle physics remain limited by statistics at best, or unanswered at worst. Fortunately, this situation will improve soon: in the next few years, a host of new neutrino telescopes, currently under planning and construction, will come online. It is natural to combine their collected observing power: we propose the Planetary Neutrino Monitoring System (PLE$\nu$M), a concept for a global repository of high-energy neutrino observations, in order to finally give firm answers to open questions. PLE$\nu$M will reach up to four times the exposure available today by combining the exposures of current and future neutrino telescopes distributed around the world -- IceCube, IceCube-Gen2, Baikal-GVD, KM3NeT, and P-ONE. Depending on the declination and spectral index, PLE$\nu$M will improve the sensitivity to astrophysical neutrinos by up to two orders of magnitude. We present first estimates on the capability of PLE$\nu$M to discover Galactic and extragalactic sources of astrophysical neutrinos and to characterize the diffuse flux of high-energy neutrinos in unprecedented detail.
DOI: https://doi.org/10.22323/1.395.1185
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