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arXiv · 2610.29942

PBR sensitivity to boosted dark matter explanation for the KM3-230213A event

M. H. Reno·T. Venters·M. Abrate·J. Adams·J. Alfaro·D. Allard·P. Alldredge·R. Aloisio·R. Ammendola·A. Anastasio·L. Anchordoqui·D. Badoni·J. Baláž·B. Baret·M. Battisti·R. Bellotti·M. Bertaina·M. Betts·S. Blin·M. Boezio·P. Bořil·I. Buckland·J. Burton Heibges·F. Cafagna·R. Caruso·M. Casolino·K. Černý·B. Chamanbahar·N. Cordrey·A. Creusot·A. Cummings·C. De Santis·P. Degarate·N. DeWitt Pierrat·A. Di Giovanni·A. Di Salvo·B. J. DiLella·J. Eser·S. Ferrarese·G. Filippatos·J. Ford·N. Gagalis·P. Gálvez Molina·S. Garbolino·D. Garg·R. Gargiulo·B. Gockel·A. Grelle·C. Guépin·A. Haungs·T. Heibges·J. Hinkel·A. K. Ikehara·J. Krizmanic·L. Kupari·E. H. Lenzing·F. Liberatori·S. Mackovjak·D. Mandát·M. Manfrin·A. Marcelli·L. Marcelli·G. Masciantonio·V. Masone·E. Mayotte·A. Meli·E. Mentzell·M. Mese·S. Meyer·M. Mignone·M. Miller·M. Mongelli·J. Moses·E. Msihid·R. Munini·M. Murdock·A. Novikov·A. V. Olinto·Y. Onel·G. Osteria·B. Panico·E. Parizot·G. Passeggio·T. Paul·M. Pech·K. Peñaló Castillo·F. Perfetto·C. Petta·P. Picozza·L. Piotrowski·Z. Plebaniak·H. Qureshi·E. Reali·F. Reynaud·E. Ricci·M. Ricci·A. Rivetti·A. Roy·F. Sarazin·V. Scherini
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Abstract

POEMMA-Balloon with Radio (PBR) is a hybrid fluorescence and optical Cherenkov telescope that is a pathfinder instrument for a future Probe Of Extreme Multi-Messenger Astrophysics (POEMMA), together with a radio instrument, to be flown on a super pressure balloon in Spring 2028. One of its science objectives is follow up of astrophysical event alerts via signals of tau decays in the atmosphere, sourced by Earth-skimming tau neutrinos. The recent report of the KM3NeT Collaboration's muon event with $ E_μ=120^{+110}_{-60}$ PeV sparked searches for beyond the standard model (BSM) physics explanations. Using a specific, boosted dark matter scenario which together with the KM3NeT observation, sets a scale for the fluence of boosted dark matter in this energy range, we assess the capabilities of PBR to constrain or discover such a source for a boosted dark matter energy spectrum above $\sim 10^8$ GeV. PBR has discovery potential for dark matter energies above $10^9$ GeV, and depending on BSM input parameters, to dark matter energies as low as $1.5\times 10^8$ GeV. While the analysis is focused on one BSM example, the methodology is applicable to any BSM physics that affects tau production in the Earth.

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M. H. Reno, T. Venters, M. Abrate, J. Adams, J. Alfaro, D. Allard, P. Alldredge, R. Aloisio, R. Ammendola, A. Anastasio, L. Anchordoqui, D. Badoni, J. Baláž, B. Baret, M. Battisti, R. Bellotti, M. Bertaina, M. Betts, S. Blin, M. Boezio, P. Bořil, I. Buckland, J. Burton Heibges, F. Cafagna, R. Caruso, M. Casolino, K. Černý, B. Chamanbahar, N. Cordrey, A. Creusot, A. Cummings, C. De Santis, P. Degarate, N. DeWitt Pierrat, A. Di Giovanni, A. Di Salvo, B. J. DiLella, J. Eser, S. Ferrarese, G. Filippatos, J. Ford, N. Gagalis, P. Gálvez Molina, S. Garbolino, D. Garg, R. Gargiulo, B. Gockel, A. Grelle, C. Guépin, A. Haungs, T. Heibges, J. Hinkel, A. K. Ikehara, J. Krizmanic, L. Kupari, E. H. Lenzing, F. Liberatori, S. Mackovjak, D. Mandát, M. Manfrin, A. Marcelli, L. Marcelli, G. Masciantonio, V. Masone, E. Mayotte, A. Meli, E. Mentzell, M. Mese, S. Meyer, M. Mignone, M. Miller, M. Mongelli, J. Moses, E. Msihid, R. Munini, M. Murdock, A. Novikov, A. V. Olinto, Y. Onel, G. Osteria, B. Panico, E. Parizot, G. Passeggio, T. Paul, M. Pech, K. Peñaló Castillo, F. Perfetto, C. Petta, P. Picozza, L. Piotrowski, Z. Plebaniak, H. Qureshi, E. Reali, F. Reynaud, E. Ricci, M. Ricci, A. Rivetti, A. Roy, F. Sarazin, V. Scherini. 2026-10-21. PBR sensitivity to boosted dark matter explanation for the KM3-230213A event. https://arxiv.org/abs/2610.29942

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