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Constraints on metastable superheavy dark matter coupled to sterile neutrinos with the Pierre Auger Observatory

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arxiv 2311.14541 v2 pith:575HBXBK submitted 2023-11-24 hep-ph astro-ph.HE

Constraints on metastable superheavy dark matter coupled to sterile neutrinos with the Pierre Auger Observatory

The Pierre Auger Collaboration: A. Abdul Halim , P. Abreu , M. Aglietta , I. Allekotte , K. Almeida Cheminant , A. Almela , R. Aloisio , J. Alvarez-Mu\~niz
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J. Ammerman Yebra G.A. Anastasi L. Anchordoqui B. Andrada S. Andringa L. Apollonio C. Aramo P.R. Ara\'ujo Ferreira E. Arnone J.C. Arteaga Vel\'azquez P. Assis G. Avila E. Avocone A. Bakalova F. Barbato A. Bartz Mocellin J.A. Bellido C. Berat M.E. Bertaina G. Bhatta M. Bianciotto P.L. Biermann V. Binet K. Bismark T. Bister J. Biteau J. Blazek C. Bleve J. Bl\"umer M. Boh\'a\v{c}ov\'a D. Boncioli C. Bonifazi L. Bonneau Arbeletche N. Borodai J. Brack P.G. Brichetto Orchera F.L. Briechle A. Bueno S. Buitink M. Buscemi M. B\"usken A. Bwembya K.S. Caballero-Mora S. Cabana-Freire L. Caccianiga F. Campuzano R. Caruso A. Castellina F. Catalani G. Cataldi L. Cazon M. Cerda A. Cermenati J.A. Chinellato J. Chudoba L. Chytka R.W. Clay A.C. Cobos Cerutti R. Colalillo M.R. Coluccia R. Concei\c{c}\~ao A. Condorelli G. Consolati M. Conte F. Convenga D. Correia dos Santos P.J. Costa C.E. Covault M. Cristinziani C.S. Cruz Sanchez S. Dasso K. Daumiller B.R. Dawson R.M. de Almeida J. de Jes\'us S.J. de Jong J.R.T. de Mello Neto I. De Mitri J. de Oliveira D. de Oliveira Franco F. de Palma V. de Souza B.P. de Souza de Errico E. De Vito A. Del Popolo O. Deligny N. Denner L. Deval A. di Matteo M. Dobre C. Dobrigkeit J.C. D'Olivo L.M. Domingues Mendes Q. Dorosti J.C. dos Anjos R.C. dos Anjos J. Ebr F. Ellwanger M. Emam R. Engel I. Epicoco M. Erdmann A. Etchegoyen C. Evoli H. Falcke G. Farrar A.C. Fauth N. Fazzini F. Feldbusch F. Fenu A. Fernandes B. Fick J.M. Figueira A. Filip\v{c}i\v{c} T. Fitoussi B. Flaggs T. Fodran T. Fujii A. Fuster C. Galea C. Galelli B. Garc\'ia C. Gaudu H. Gemmeke F. Gesualdi A. Gherghel-Lascu P.L. Ghia U. Giaccari J. Glombitza F. Gobbi F. Gollan G. Golup M. G\'omez Berisso P.F. G\'omez Vitale J.P. Gongora J.M. Gonz\'alez N. Gonz\'alez D. G\'ora A. Gorgi M. Gottowik T.D. Grubb F. Guarino G.P. Guedes E. Guido L. G\"ulzow S. Hahn P. Hamal M.R. Hampel P. Hansen D. Harari V.M. Harvey A. Haungs T. Hebbeker C. Hojvat J.R. H\"orandel P. Horvath M. Hrabovsk\'y T. Huege A. Insolia P.G. Isar P. Janecek V. Jilek J.A. Johnsen J. Jurysek K.-H. Kampert B. Keilhauer A. Khakurdikar V.V. Kizakke Covilakam H.O. Klages M. Kleifges F. Knapp J. K\"ohler N. Kunka B.L. Lago N. Langner M.A. Leigui de Oliveira Y. Lema-Capeans A. Letessier-Selvon I. Lhenry-Yvon L. Lopes L. Lu Q. Luce J.P. Lundquist A. Machado Payeras M. Majercakova D. Mandat B.C. Manning P. Mantsch F.M. Mariani A.G. Mariazzi I.C. Mari\c{s} G. Marsella D. Martello S. Martinelli O. Mart\'inez Bravo M.A. Martins H.-J. Mathes J. Matthews G. Matthiae E. Mayotte S. Mayotte P.O. Mazur G. Medina-Tanco J. Meinert D. Melo A. Menshikov C. Merx S. Michal M.I. Micheletti L. Miramonti S. Mollerach F. Montanet L. Morejon C. Morello K. Mulrey R. Mussa W.M. Namasaka S. Negi L. Nellen K. Nguyen G. Nicora M. Niechciol D. Nitz D. Nosek V. Novotny L. No\v{z}ka A. Nucita L.A. N\'u\~nez C. Oliveira M. Palatka J. Pallotta S. Panja G. Parente T. Paulsen J. Pawlowsky M. Pech J. P\k{e}kala R. Pelayo L.A.S. Pereira E.E. Pereira Martins J. Perez Armand C. P\'erez Bertolli L. Perrone S. Petrera C. Petrucci T. Pierog M. Pimenta M. Platino B. Pont M. Pothast M. Pourmohammad Shahvar P. Privitera M. Prouza S. Querchfeld J. Rautenberg D. Ravignani J.V. Reginatto Akim M. Reininghaus J. Ridky F. Riehn M. Risse V. Rizi W. Rodrigues de Carvalho E. Rodriguez J. Rodriguez Rojo M.J. Roncoroni S. Rossoni M. Roth E. Roulet A.C. Rovero P. Ruehl A. Saftoiu M. Saharan F. Salamida H. Salazar G. Salina J.D. Sanabria Gomez F. S\'anchez E.M. Santos E. Santos F. Sarazin R. Sarmento R. Sato P. Savina C.M. Sch\"afer V. Scherini H. Schieler M. Schimassek M. Schimp D. Schmidt O. Scholten H. Schoorlemmer P. Schov\'anek F.G. Schr\"oder J. Schulte T. Schulz S.J. Sciutto M. Scornavacche A. Sedoski A. Segreto S. Sehgal S.U. Shivashankara G. Sigl G. Silli O. Sima K. Simkova F. Simon R. Smau R. \v{S}m\'ida P. Sommers J.F. Soriano R. Squartini M. Stadelmaier S. Stani\v{c} J. Stasielak P. Stassi S. Str\"ahnz M. Straub T. Suomij\"arvi A.D. Supanitsky Z. Svozilikova Z. Szadkowski F. Tairli A. Tapia C. Taricco C. Timmermans O. Tkachenko P. Tobiska C.J. Todero Peixoto B. Tom\'e Z. Torr\`es A. Travaini P. Travnicek C. Trimarelli M. Tueros M. Unger L. Vaclavek M. Vacula J.F. Vald\'es Galicia L. Valore E. Varela A. V\'asquez-Ram\'irez D. Veberi\v{c} C. Ventura I.D. Vergara Quispe V. Verzi J. Vicha J. Vink S. Vorobiov C. Watanabe A.A. Watson A. Weindl L. Wiencke H. Wilczy\'nski D. Wittkowski B. Wundheiler B. Yue A. Yushkov O. Zapparrata E. Zas D. Zavrtanik M. Zavrtanik
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classification hep-ph astro-ph.HE
keywords neutrinosdarkparticlesterilesuperheavyaugercouplinglifetime
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Dark matter particles could be superheavy, provided their lifetime is much longer than the age of the universe. Using the sensitivity of the Pierre Auger Observatory to ultra-high energy neutrinos and photons, we constrain a specific extension of the Standard Model of particle physics that meets the lifetime requirement for a superheavy particle by coupling it to a sector of ultra-light sterile neutrinos. Our results show that, for a typical dark coupling constant of 0.1, the mixing angle $\theta_m$ between active and sterile neutrinos must satisfy, roughly, $\theta_m \lesssim 1.5\times 10^{-6}(M_X/10^9~\mathrm{GeV})^{-2}$ for a mass $M_X$ of the dark-matter particle between $10^8$ and $10^{11}~$GeV.

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