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The Payload for Ultrahigh Energy Observations (PUEO): A White Paper

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arxiv 2010.02892 v3 pith:3F3ZOLPB submitted 2020-10-06 astro-ph.IM astro-ph.HEhep-exphysics.ins-det

Q. Abarr , P. Allison , J. Ammerman Yebra , J. Alvarez-Muñiz , J. J. Beatty , D. Z. Besson , P. Chen , Y. Chen
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J. M. Clem A. Connolly L. Cremonesi C. Deaconu J. Flaherty D. Frikken P. W. Gorham C. Hast C. Hornhuber J.J. Huang K. Hughes A. Hynous Y. Ku C.-Y. Kuo T. C. Liu Z. Martin C. Miki J. Nam R. J. Nichol K. Nishimura A. Novikov A. Nozdrina E. Oberla S. Prohira R. Prechelt B. F. Rauch J. M. Roberts A. Romero-Wolf J. W. Russell D. Seckel J. Shiao D. Smith D. Southall G. S. Varner A. G. Vieregg S.-H. Wang Y.-H. Wang S. A. Wissel C. Xie R. Young E. Zas A. Zeolla
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classification astro-ph.IMastro-ph.HEhep-exphysics.ins-det
keywords pueoenergyenergiesobservationspayloadsensitivityultrahighultrahigh-energy
verification ladder T0 review T1 audit T2 compute T3 formal
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The Payload for Ultrahigh Energy Observations (PUEO) long-duration balloon experiment is designed to have world-leading sensitivity to ultrahigh-energy neutrinos at energies above 1 EeV. Probing this energy region is essential for understanding the extreme-energy universe at all distance scales. PUEO leverages experience from and supersedes the successful Antarctic Impulsive Transient Antenna (ANITA) program, with an improved design that drastically improves sensitivity by more than an order of magnitude at energies below 30 EeV. PUEO will either make the first significant detection of or set the best limits on ultrahigh-energy neutrino fluxes.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Rare processes in ultrahigh-energy tau-lepton transport

    hep-ph 2026-07 accept novelty 7.0 of 10

    Tau leptons at EeV energies produce muon pairs and neutral pions via rare processes, with energy-loss rates only ~0.6% and ~0.2% of electron pair production, yet muon pairs may yield detectable double-track signatures.

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  3. Probing Neutrino Flavor Composition with the Glashow Resonance at Tau Air-Shower Neutrino Telescopes

    hep-ph 2026-07 conditional novelty 6.0 of 10

    Tau air-shower telescopes can potentially measure the PeV \bar{\nu}_e/(\nu_\tau+\bar{\nu}_\tau) ratio via the Glashow resonance, but standalone sensitivity only clearly separates \bar{\nu}_e-rich sources from standard...

  4. The Cosmic Neutrino Background is within Reach of Future Neutrino Telescopes

    hep-ph 2026-01 conditional novelty 6.0 of 10

    Including deep-inelastic scattering makes cosmic-ray-boosted relic neutrinos bright enough for IceCube to bound the CνB overdensity to ~100–1000, and future networks could reach the ΛCDM value.

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