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Physical review letters · 2025

Search for the Anomalous Events Detected by ANITA Using the Pierre Auger Observatory.

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Abdul Halim A, Abreu P, Aglietta M, Allekotte I, Almeida Cheminant K, Almela A, Aloisio R, Alvarez-Muñiz J, Ammerman Yebra J, Anastasi G A, Anchordoqui L, Andrada B, Andringa S, Apollonio L, Aramo C, Araújo Ferreira P R, Arnone E, Arteaga Velázquez J C, Assis P, Avila G, Avocone E, Bakalova A, Barbato F, Bartz Mocellin A, Bellido J A, Berat C, Bertaina M E, Bhatta G, Bianciotto M, Biermann P L, Binet V, Bismark K, Bister T, Biteau J, Blazek J, Bleve C, Blümer J, Boháčová M, Boncioli D, Bonifazi C, Bonneau Arbeletche L, Borodai N, Brack J, Brichetto Orchera P G, Briechle F L, Bueno A, Buitink S, Buscemi M, Büsken M, Bwembya A, Caballero-Mora K S, Cabana-Freire S, Caccianiga L, Campuzano F, Caracas I, Caruso R, Castellina A, Catalani F, Cataldi G, Cazon L, Cerda M, Cermenati A, Chinellato J A, Chudoba J, Chytka L, Clay R W, Cobos Cerutti A C, Colalillo R, Coluccia M R, Conceição R, Condorelli A, Consolati G, Conte M, Convenga F, Correia Dos Santos D, Costa P J, Covault C E, Cristinziani M, Cruz Sanchez C S, Dasso S, Daumiller K, Dawson B R, de Almeida R M, de Jesús J, de Jong S J, de Mello Neto J R T, De Mitri I, de Oliveira J, de Oliveira Franco D, de Palma F, de Souza V, de Souza de Errico B P, De Vito E, Del Popolo A, Deligny O, Denner N, Deval L, di Matteo A, Dobre M, Dobrigkeit C, D'Olivo J C, Domingues Mendes L M, Dorosti Q, Dos Anjos J C, Dos Anjos R C, Ebr J, Ellwanger F, Emam M, Engel R, Epicoco I, Erdmann M, Etchegoyen A, Evoli C, Falcke H, Farrar G, Fauth A C, Fazzini N, Feldbusch F, Fenu F, Fernandes A, Fick B, Figueira J M, Filipčič A, Fitoussi T, Flaggs B, Fodran T, Fujii T, Fuster A, Galea C, Galelli C, García B, Gaudu C, Gemmeke H, Gesualdi F, Gherghel-Lascu A, Ghia P L, Giaccari U, Glombitza J, Gobbi F, Gollan F, Golup G, Gómez Berisso M, Gómez Vitale P F, Gongora J P, González J M, González N, Góra D, Gorgi A, Gottowik M, Grubb T D, Guarino F, Guedes G P, Guido E, Gülzow L, Hahn S, Hamal P, Hampel M R, Hansen P, Harari D, Harvey V M, Haungs A, Hebbeker T, Hojvat C, Hörandel J R, Horvath P, Hrabovský M, Huege T, Insolia A, Isar P G, Janecek P, Jilek V, Johnsen J A, Jurysek J, Kampert K-H, Keilhauer B, Khakurdikar A, Kizakke Covilakam V V, Klages H O, Kleifges M, Knapp F, Köhler J, Kunka N, Lago B L, Langner N, Leigui de Oliveira M A, Lema-Capeans Y, Letessier-Selvon A, Lhenry-Yvon I, Lopes L, Lu L, Luce Q, Lundquist J P, Machado Payeras A, Majercakova M, Mandat D, Manning B C, Mantsch P, Mariani F M, Mariazzi A G, Mariş I C, Marsella G, Martello D, Martinelli S, Martínez Bravo O, Martins M A, Mastrodicasa M, Mathes H-J, Matthews J, Matthiae G, Mayotte E, Mayotte S, Mazur P O, Medina-Tanco G, Meinert J, Melo D, Menshikov A, Merx C, Michal S, Micheletti M I, Miramonti L, Mollerach S, Montanet F, Morejon L, Morello C, Mulrey K, Mussa R, Namasaka W M, Negi S, Nellen L, Nguyen K, Nicora G, Niechciol M, Nitz D, Nosek D, Novotny V, Nožka L, Nucita A, Núñez L A, Oliveira C, Palatka M, Pallotta J, Panja S, Parente G, Paulsen T, Pawlowsky J, Pech M, Pȩkala J, Pelayo R, Pereira L A S, Pereira Martins E E, Perez Armand J, Pérez Bertolli C, Perrone L, Petrera S, Petrucci C, Pierog T, Pimenta M, Platino M, Pont B, Pothast M, Pourmohammad Shahvar M, Privitera P, Prouza M, Querchfeld S, Rautenberg J, Ravignani D, Reginatto Akim J V, Reininghaus M, Ridky J, Riehn F, Risse M, Rizi V, Rodrigues de Carvalho W, Rodriguez E, Rodriguez Rojo J, Roncoroni M J, Rossoni S, Roth M, Roulet E, Rovero A C, Ruehl P, Saftoiu A, Saharan M, Salamida F, Salazar H, Salina G, Sanabria Gomez J D, Sánchez F, Santos E M, Santos E, Sarazin F, Sarmento R, Sato R, Savina P, Schäfer C M, Scherini V, Schieler H, Schimassek M, Schimp M, Schmidt D, Scholten O, Schoorlemmer H, Schovánek P, Schröder F G, Schulte J, Schulz T, Sciutto S J, Scornavacche M, Sedoski A, Segreto A, Sehgal S, Shivashankara S U, Sigl G, Silli G, Sima O, Simkova K, Simon F, Smau R, Šmída R, Sommers P, Soriano J F, Squartini R, Stadelmaier M, Stanič S, Stasielak J, Stassi P, Strähnz S, Straub M, Suomijärvi T, Supanitsky A D, Svozilikova Z, Szadkowski Z, Tairli F, Tapia A, Taricco C, Timmermans C, Tkachenko O, Tobiska P, Todero Peixoto C J, Tomé B, Torrès Z, Travaini A, Travnicek P, Trimarelli C, Tueros M, Unger M, Vaclavek L, Vacula M, Valdés Galicia J F, Valore L, Varela E, Vásquez-Ramírez A, Veberič D, Ventura C, Vergara Quispe I D, Verzi V, Vicha J, Vink J, Vorobiov S, Watanabe C, Watson A A, Weindl A, Wiencke L, Wilczyński H, Wittkowski D, Wundheiler B, Yue B, Yushkov A, Zapparrata O, Zas E, Zavrtanik D, Zavrtanik M, Prechelt R, Romero-Wolf A, Wissel S, Zeolla A, Pierre Auger Collaboration

Аннотация

A dedicated search for upward-going air showers at zenith angles exceeding 110° and energies E>0.1  EeV has been performed using the Fluorescence Detector of the Pierre Auger Observatory. The search is motivated by two "anomalous" radio pulses observed by the ANITA flights I and III that appear inconsistent with the standard model of particle physics. Using simulations of both regular cosmic-ray showers and upward-going events, a selection procedure has been defined to separate potential upward-going candidate events and the corresponding exposure has been calculated in the energy range [0.1-33] EeV. One event has been found in the search period between January 1, 2004, and December 31, 2018, consistent with an expected background of 0.27±0.12 events from misreconstructed cosmic-ray showers. This translates to an upper bound on the integral flux of (7.2±0.2)×10^{-21}  cm^{-2} sr^{-1} y^{-1} and (3.6±0.2)×10^{-20}  cm^{-2} sr^{-1} y^{-1} for an E^{-1} and E^{-2} spectrum, respectively. An upward-going flux of showers normalized to the ANITA observations is shown to predict over 34 events for an E^{-3} spectrum and over 8.1 events for a conservative E^{-5} spectrum, in strong disagreement with the interpretation of the anomalous events as upward-going showers.

ИП Урсолов Владлен Сергеевич

ИНН 500118482352 · ОГРНИП 314500117700049

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