Search for Neutrino Emission from Hard X-ray AGN with IceCube

R. Abbasi,M. Ackermann,J. Adams,S. K. Agarwalla,J. A. Aguilar,M. Ahlers,J. M. Alameddine,N. M. Amin,K. Andeen,C. Argüelles,Y. Ashida,S. Athanasiadou,L. Ausborm,S. N. Axani,X. Bai,A. Balagopal V.,M. Baricevic,S. W. Barwick,S. Bash,V. Basu,R. Bay,J. J. Beatty,J. Becker Tjus,J. Beise,C. Bellenghi,C. Benning,S. BenZvi,D. Berley,E. Bernardini,D. Z. Besson,E. Blaufuss,L. Bloom,S. Blot,F. Bontempo,J. Y. Book Motzkin,C. Boscolo Meneguolo,S. Böser,O. Botner,J. Böttcher,J. Braun,B. Brinson,J. Brostean-Kaiser,L. Brusa,R. T. Burley,D. Butterfield,M. A. Campana,I. Caracas,K. Carloni,J. Carpio,S. Chattopadhyay,N. Chau,Z. Chen,D. Chirkin,S. Choi,B. A. Clark,A. Coleman,G. H. Collin,A. Connolly,J. M. Conrad,P. Coppin,R. Corley,P. Correa,D. F. Cowen,P. Dave,C. De Clercq,J. J. DeLaunay,D. Delgado,S. Deng,A. Desai,P. Desiati,K. D. de Vries,G. de Wasseige,T. DeYoung,A. Diaz,J. C. Díaz-Vélez,P. Dierichs,M. Dittmer,A. Domi,L. Draper,H. Dujmovic,K. Dutta,M. A. DuVernois,T. Ehrhardt,L. Eidenschink,A. Eimer,P. Eller,E. Ellinger,S. El Mentawi,D. Elsässer,R. Engel,H. Erpenbeck,J. Evans,P. A. Evenson,K. L. Fan,K. Fang,K. Farrag,A. R. Fazely,A. Fedynitch,N. Feigl,S. Fiedlschuster,C. Finley,L. Fischer,D. Fox,A. Franckowiak,S. Fukami,P. Fürst,J. Gallagher,E. Ganster,A. Garcia,M. Garcia,G. Garg,E. Genton,L. Gerhardt,A. Ghadimi,C. Girard-Carillo,C. Glaser,T. Glüsenkamp,J. G. Gonzalez,S. Goswami,A. Granados,D. Grant,S. J. Gray,O. Gries,S. Griffin,S. Griswold,K. M. Groth,C. Günther,P. Gutjahr,C. Ha,C. Haack,A. Hallgren,L. Halve,F. Halzen,H. Hamdaoui,M. Ha Minh,M. Handt,K. Hanson,J. Hardin,A. A. Harnisch,P. Hatch,A. Haungs,J. Häußler,K. Helbing,J. Hellrung,J. Hermannsgabner,L. Heuermann,N. Heyer,S. Hickford,A. Hidvegi,C. Hill,G. C. Hill,K. D. Hoffman,S. Hori, K. Hoshina,M. Hostert,W. Hou,T. Huber,K. Hultqvist,M. Hünnefeld,R. Hussain,K. Hymon,A. Ishihara,W. Iwakiri,M. Jacquart,S. Jain,O. Janik, M. Jansson,G. S. Japaridze,M. Jeong,M. Jin,B. J. P. Jones,N. Kamp,D. Kang,W. Kang,X. Kang,A. Kappes,D. Kappesser,L. Kardum,T. Karg,M. Karl,A. Karle,A. Katil,U. Katz,M. Kauer,J. L. Kelley,M. Khanal,A. Khatee Zathul,A. Kheirandish,J. Kiryluk,S. R. Klein,A. Kochocki,R. Koirala,H. Kolanoski,T. Kontrimas,L. Köpke,C. Kopper,D. J. Koskinen,P. Koundal, M. Kovacevich,M. Kowalski,T. Kozynets,J. Krishnamoorthi,K. Kruiswijk,E. Krupczak,A. Kumar,E. Kun,N. Kurahashi,N. Lad,C. Lagunas Gualda,M. Lamoureux,M. J. Larson,S. Latseva,F. Lauber,J. P. Lazar, J. W. Lee,K. Leonard DeHolton,A. Leszczyńska,J. Liao,M. Lincetto,Y. T. Liu,M. Liubarska,C. Love,C. J. Lozano Mariscal,L. Lu,F. Lucarelli,W. Luszczak,Y. Lyu,J. Madsen,E. Magnus,K. B. M. Mahn,Y. Makino,E. Manao,S. Mancina,W. Marie Sainte,I. C. Mariş, S. Marka,Z. Marka,M. Marsee,I. Martinez-Soler, R. Maruyama,F. Mayhew,F. McNally,J. V. Mead,K. Meagher,S. Mechbal,A. Medina,M. Meier,Y. Merckx,L. Merten,J. Micallef,J. Mitchell,T. Montaruli,R. W. Moore,Y. Morii,R. Morse,M. Moulai,T. Mukherjee,R. Naab,R. Nagai,M. Nakos,U. Naumann,J. Necker,A. Negi,L. Neste,M. Neumann,H. Niederhausen,M. U. Nisa,K. Noda,A. Noell,A. Novikov,A. Obertacke Pollmann,V. O'Dell,B. Oeyen,A. Olivas,R. Orsoe,J. Osborn,E. O'Sullivan,V. Palusova,H. Pandya,N. Park,G. K. Parker,E. N. Paudel,L. Paul,C. Pérez de los Heros,T. Pernice,J. Peterson,S. Philippen,A. Pizzuto,M. Plum,A. Pontén,Y. Popovych,M. Prado Rodriguez,B. Pries,G. C. Privon,R. Procter-Murphy,G. T. Przybylski,C. Raab,J. Rack-Helleis,M. Ravn,K. Rawlins,Z. Rechav,A. Rehman,P. Reichherzer,E. Resconi,S. Reusch,W. Rhode,B. Riedel,A. Rifaie,E. J. Roberts,S. Robertson,S. Rodan,G. Roellinghoff,M. Rongen,A. Rosted,C. Rott, T. Ruhe,L. Ruohan,D. Ryckbosch,I. Safa,J. Saffer,D. Salazar-Gallegos,P. Sampathkumar,A. Sandrock,M. Santander,S. Sarkar,J. Savelberg,P. Savina,P. Schaile,M. Schaufel,H. Schieler,S. Schindler,L. Schlickmann,B. Schlüter,F. Schlüter,N. Schmeisser,T. Schmidt,J. Schneider,F. G. Schröder,L. Schumacher,S. Sclafani,D. Seckel,M. Seikh,M. Seo,S. Seunarine,P. Sevle Myhr,R. Shah,S. Shefali,N. Shimizu,M. Silva,B. Skrzypek,B. Smithers,R. Snihur,J. Soedingrekso,A. Søgaard, D. Soldin,P. Soldin,G. Sommani,C. Spannfellner,G. M. Spiczak,C. Spiering,M. Stamatikos,T. Stanev,T. Stezelberger,T. Stürwald,T. Stuttard,G. W. Sullivan,I. Taboada,S. Ter-Antonyan,A. Terliuk,M. Thiesmeyer,W. G. Thompson,J. Thwaites,S. Tilav,K. Tollefson,C. Tönnis,S. Toscano,D. Tosi,A. Trettin,R. Turcotte,J. P. Twagirayezu,M. A. Unland Elorrieta,A. K. Upadhyay,K. Upshaw,A. Vaidyanathan,N. Valtonen-Mattila,J. Vandenbroucke,N. van Eijndhoven,D. Vannerom,J. van Santen,J. Vara,F. Varsi,J. Veitch-Michaelis,M. Venugopal,M. Vereecken,S. Verpoest,D. Veske,A. Vijai,C. Walck,A. Wang,C. Weaver,P. Weigel,A. Weindl,J. Weldert,A. Y. Wen,C. Wendt,J. Werthebach,M. Weyrauch,N. Whitehorn,C. H. Wiebusch, D. R. Williams,L. Witthaus,A. Wolf,M. Wolf,G. Wrede,X. W. Xu,J. P. Yanez,E. Yildizci,S. Yoshida,R. Young, S. Yu,T. Yuan,Z. Zhang,P. Zhelnin,P. Zilberman,M. Zimmerman

arXiv (Cornell University)（2024）

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摘要

Active Galactic Nuclei (AGN) are promising candidate sources of high-energyastrophysical neutrinos since they provide environments rich in matter andphoton targets where cosmic ray interactions may lead to the production ofgamma rays and neutrinos. We searched for high-energy neutrino emission fromAGN using the Swift-BAT Spectroscopic Survey (BASS) catalog of hardX-ray sources and 12 years of IceCube muon track data. First, upon performing astacked search, no significant emission was found. Second, we searched forneutrinos from a list of 43 candidate sources and found an excess from thedirection of two sources, Seyfert galaxies NGC 1068 and NGC 4151. We observedNGC 1068 at flux ϕ_ν_μ+ν̅_μ = 4.02_-1.52^+1.58× 10^-11 TeV^-1 cm^-2 s^-1 normalized at 1 TeV, withpower-law spectral index, γ = 3.10^+0.26_-0.22, consistent withprevious IceCube results. The observation of a neutrino excess from thedirection of NGC 4151 is at a post-trial significance of 2.9σ. Ifinterpreted as an astrophysical signal, the excess observed from NGC 4151corresponds to a flux ϕ_ν_μ+ν̅_μ =1.51_-0.81^+0.99× 10^-11 TeV^-1 cm^-2 s^-1 normalizedat 1 TeV and γ = 2.83^+0.35_-0.28.

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