par Abreu, Pedro;Gonzalez, Nicolas Martin 
;Maris, Ioana Codrina ;Suarez-Duran, Mauricio ;Schlüter, Felix ;Zapparrata, Orazio ; [et al.]
Référence (12 July 2021 through 23 July 2021: Virtual, Berlin), 37th International Cosmic Ray Conference, ICRC 2021, Pos proceedings of science (395), 973
Publication Publié, 2022-03-01
;Maris, Ioana Codrina ;Suarez-Duran, Mauricio ;Schlüter, Felix ;Zapparrata, Orazio ; [et al.]Référence (12 July 2021 through 23 July 2021: Virtual, Berlin), 37th International Cosmic Ray Conference, ICRC 2021, Pos proceedings of science (395), 973
Publication Publié, 2022-03-01
Publication dans des actes
| Résumé : | Multimessenger astronomy has become increasingly important during the past decade. Some astronomical objects have already been successfully observed in the light of multiple messenger signals, allowing for a much deeper understanding of their physical properties. The Pierre Auger Observatory has taken part in multimessenger astronomy with an exhaustive exploration of the ultra-high-energy sky. In this contribution, for the first time, a search for UHE photons from the sources of gravitational waves is presented. Interactions with the cosmic background radiation fields are expected to attenuate any possible flux of ultra-high-energy photons from distant sources and a non-negligible background of air shower events with hadronic origin makes an unambiguous identification of primary photons a challenging task. In the analysis presented here, a selection strategy is applied to both GW sources and air shower events aiming to provide maximum sensitivity to a possible photon signal. At the same time, a window is kept open for hypothetical new-physics processes, which might allow for much larger interaction lengths of photons in the extragalactic medium. Preliminary results on the UHE photon fluence from a selection of GW sources, including the binary neutron star merger GW170817 are presented. |
