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arxiv: 1906.07419 · v2 · pith:QNTKUJJJnew · submitted 2019-06-18 · 🌌 astro-ph.HE

Limits on point-like sources of ultra-high-energy neutrinos with the Pierre Auger Observatory

The Pierre Auger Collaboration: A. Aab , P. Abreu , M. Aglietta , I.F.M. Albuquerque , J.M. Albury , I. Allekotte , A. Almela , J. Alvarez Castillo
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J. Alvarez-Mu\~niz G.A. Anastasi L. Anchordoqui B. Andrada S. Andringa C. Aramo H. Asorey P. Assis G. Avila A.M. Badescu A. Bakalova A. Balaceanu F. Barbato R.J. Barreira Luz S. Baur K.H. Becker J.A. Bellido C. Berat M.E. Bertaina X. Bertou P.L. Biermann J. Biteau A. Blanco J. Blazek C. Bleve M. Boh\'a\v{c}ov\'a D. Boncioli C. Bonifazi N. Borodai A.M. Botti J. Brack T. Bretz A. Bridgeman F.L. Briechle P. Buchholz A. Bueno S. Buitink M. Buscemi K.S. Caballero-Mora L. Caccianiga L. Calcagni A. Cancio F. Canfora I. Caracas J.M. Carceller R. Caruso A. Castellina F. Catalani G. Cataldi L. Cazon M. Cerda J.A. Chinellato K. Choi J. Chudoba L. Chytka R.W. Clay A.C. Cobos Cerutti R. Colalillo A. Coleman M.R. Coluccia R. Concei\c{c}\~ao A. Condorelli G. Consolati F. Contreras F. Convenga M.J. Cooper S. Coutu C.E. Covault B. Daniel S. Dasso K. Daumiller B.R. Dawson J.A. Day R.M. de Almeida S.J. de Jong G. De Mauro J.R.T. de Mello Neto I. De Mitri J. de Oliveira V. de Souza J. Debatin M. del R\'io O. Deligny N. Dhital A. Di Matteo M.L. D\'iaz Castro C. Dobrigkeit J.C. D'Olivo Q. Dorosti R.C. dos Anjos M.T. Dova A. Dundovic J. Ebr R. Engel M. Erdmann C.O. Escobar A. Etchegoyen H. Falcke J. Farmer G. Farrar A.C. Fauth N. Fazzini F. Feldbusch F. Fenu L.P. Ferreyro J.M. Figueira A. Filip\v{c}i\v{c} M.M. Freire T. Fujii A. Fuster B. Garc\'ia H. Gemmeke F. Gesualdi A. Gherghel-Lascu P.L. Ghia U. Giaccari M. Giammarchi M. Giller D. G{\l}as J. Glombitza F. Gobbi G. Golup M. G\'omez Berisso P.F. G\'omez Vitale J.P. Gongora N. Gonz\'alez I. Goos D. G\'ora A. Gorgi M. Gottowik T.D. Grubb F. Guarino G.P. Guedes E. Guido S. Hahn R. Halliday M.R. Hampel P. Hansen D. Harari T.A. Harrison V.M. Harvey A. Haungs T. Hebbeker D. Heck P. Heimann G.C. Hill C. Hojvat E.M. Holt P. Homola J.R. H\"orandel P. Horvath M. Hrabovsk\'y T. Huege J. Hulsman A. Insolia P.G. Isar J.A. Johnsen J. Jurysek A. K\"a\"ap\"a K.H. Kampert B. Keilhauer N. Kemmerich J. Kemp H.O. Klages M. Kleifges J. Kleinfeller D. Kuempel G. Kukec Mezek A. Kuotb Awad B.L. Lago D. LaHurd R.G. Lang R. Legumina M.A. Leigui de Oliveira V. Lenok A. Letessier-Selvon I. Lhenry-Yvon O.C. Lippmann D. Lo Presti L. Lopes R. L\'opez A. L\'opez Casado R. Lorek Q. Luce A. Lucero M. Malacari G. Mancarella D. Mandat B.C. Manning J. Manshanden P. Mantsch A.G. Mariazzi I.C. Mari\c{s} G. Marsella D. Martello H. Martinez O. Mart\'inez Bravo M. Mastrodicasa H.J. Mathes S. Mathys J. Matthews G. Matthiae E. Mayotte P.O. Mazur G. Medina-Tanco D. Melo A. Menshikov K.-D. Merenda S. Michal M.I. Micheletti L. Miramonti D. Mockler S. Mollerach F. Montanet C. Morello G. Morlino M. Mostaf\'a A.L. M\"uller M.A. Muller S. M\"uller R. Mussa W.M. Namasaka L. Nellen M. Niculescu-Oglinzanu M. Niechciol D. Nitz D. Nosek V. Novotny L. No\v{z}ka A Nucita L.A. N\'u\~nez A. Olinto M. Palatka J. Pallotta M.P. Panetta P. Papenbreer G. Parente A. Parra M. Pech F. Pedreira J. P\k{e}kala R. Pelayo J. Pe\~na-Rodriguez L.A.S. Pereira M. Perlin L. Perrone C. Peters S. Petrera J. Phuntsok T. Pierog M. Pimenta V. Pirronello M. Platino J. Poh B. Pont C. Porowski M. Pothast R.R. Prado P. Privitera M. Prouza A. Puyleart S. Querchfeld S. Quinn R. Ramos-Pollan J. Rautenberg D. Ravignani M. Reininghaus J. Ridky F. Riehn M. Risse P. Ristori V. Rizi W. Rodrigues de Carvalho J. Rodriguez Rojo M.J. Roncoroni M. Roth E. Roulet A.C. Rovero P. Ruehl S.J. Saffi A. Saftoiu F. Salamida H. Salazar G. Salina J.D. Sanabria Gomez F. S\'anchez E.M. Santos E. Santos F. Sarazin R. Sarmento C. Sarmiento-Cano R. Sato P. Savina M. Schauer V. Scherini H. Schieler M. Schimassek M. Schimp F. Schl\"uter D. Schmidt O. Scholten P. Schov\'anek F.G. Schr\"oder S. Schr\"oder J. Schumacher S.J. Sciutto M. Scornavacche R.C. Shellard G. Sigl G. Silli O. Sima R. \v{S}m\'ida G.R. Snow P. Sommers J.F. Soriano J. Souchard R. Squartini M. Stadelmaier D. Stanca S. Stani\v{c} J. Stasielak P. Stassi M. Stolpovskiy A. Streich M. Su\'arez-Dur\'an T. Sudholz T. Suomij\"arvi A.D. Supanitsky J. \v{S}up\'ik Z. Szadkowski A. Taboada O.A. Taborda A. Tapia C. Timmermans P. Tobiska C.J. Todero Peixoto B. Tom\'e G. Torralba Elipe A. Travaini P. Travnicek M. Trini M. Tueros R. Ulrich M. Unger M. Urban J.F. Vald\'es Galicia I. Vali\~no L. Valore P. van Bodegom A.M. van den Berg A. van Vliet E. Varela B. Vargas C\'ardenas A. V\'asquez-Ram\'irez D. Veberi\v{c} C. Ventura I.D. Vergara Quispe V. Verzi J. Vicha L. Villase\~nor J. Vink S. Vorobiov H. Wahlberg A.A. Watson M. Weber A. Weindl M. Wiede\'nski L. Wiencke H. Wilczy\'nski T. Winchen M. Wirtz D. Wittkowski B. Wundheiler L. Yang A. Yushkov E. Zas D. Zavrtanik M. Zavrtanik L. Zehrer A. Zepeda B. Zimmermann M. Ziolkowski F. Zuccarello
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With the Surface Detector array (SD) of the Pierre Auger Observatory we can detect neutrinos with energy between $10^{17}\,$eV and $10^{20}\,$eV from point-like sources across the sky, from close to the Southern Celestial Pole up to $60^\circ$ in declination, with peak sensitivities at declinations around $\sim -53^\circ$ and $\sim+55^\circ$, and an unmatched sensitivity for arrival directions in the Northern hemisphere. A search has been performed for highly-inclined air showers induced by neutrinos of all flavours with no candidate events found in data taken between 1 Jan 2004 and 31 Aug 2018. Upper limits on the neutrino flux from point-like steady sources have been derived as a function of source declination. An unrivaled sensitivity is achieved in searches for transient sources with emission lasting over an hour or less, if they occur within the field of view corresponding to the zenith angle range between $60^\circ$ and $~95^\circ$ where the SD of the Pierre Auger Observatory is most sensitive to neutrinos.

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