Time-Integrated Neutrino Source Searches with 10 Years of IceCube Data.

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ID: 99811
2020
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Abstract
This Letter presents the results from pointlike neutrino source searches using ten years of IceCube data collected between April 6, 2008 and July 10, 2018. We evaluate the significance of an astrophysical signal from a pointlike source looking for an excess of clustered neutrino events with energies typically above ∼1  TeV among the background of atmospheric muons and neutrinos. We perform a full-sky scan, a search within a selected source catalog, a catalog population study, and three stacked Galactic catalog searches. The most significant point in the northern hemisphere from scanning the sky is coincident with the Seyfert II galaxy NGC 1068, which was included in the source catalog search. The excess at the coordinates of NGC 1068 is inconsistent with background expectations at the level of 2.9σ after accounting for statistical trials from the entire catalog. The combination of this result along with excesses observed at the coordinates of three other sources, including TXS 0506+056, suggests that, collectively, correlations with sources in the northern catalog are inconsistent with background at 3.3σ significance. The southern catalog is consistent with background. These results, all based on searches for a cumulative neutrino signal integrated over the 10 years of available data, motivate further study of these and similar sources, including time-dependent analyses, multimessenger correlations, and the possibility of stronger evidence with coming upgrades to the detector.
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Authors Aartsen, M G;Ackermann, M;Adams, J;Aguilar, J A;Ahlers, M;Ahrens, M;Alispach, C;Andeen, K;Anderson, T;Ansseau, I;Anton, G;Argüelles, C;Auffenberg, J;Axani, S;Backes, P;Bagherpour, H;Bai, X;Balagopal, A;Barbano, A;Barwick, S W;Bastian, B;Baum, V;Baur, S;Bay, R;Beatty, J J;Becker, K-H;Becker Tjus, J;BenZvi, S;Berley, D;Bernardini, E;Besson, D Z;Binder, G;Bindig, D;Blaufuss, E;Blot, S;Bohm, C;Börner, M;Böser, S;Botner, O;Böttcher, J;Bourbeau, E;Bourbeau, J;Bradascio, F;Braun, J;Bron, S;Brostean-Kaiser, J;Burgman, A;Buscher, J;Busse, R S;Carver, T;Chen, C;Cheung, E;Chirkin, D;Choi, S;Clark, K;Classen, L;Coleman, A;Collin, G H;Conrad, J M;Coppin, P;Correa, P;Cowen, D F;Cross, R;Dave, P;De Clercq, C;DeLaunay, J J;Dembinski, H;Deoskar, K;De Ridder, S;Desiati, P;de Vries, K D;de Wasseige, G;de With, M;DeYoung, T;Diaz, A;Díaz-Vélez, J C;Dujmovic, H;Dunkman, M;Dvorak, E;Eberhardt, B;Ehrhardt, T;Eller, P;Engel, R;Evenson, P A;Fahey, S;Fazely, A R;Felde, J;Filimonov, K;Finley, C;Fox, D;Franckowiak, A;Friedman, E;Fritz, A;Gaisser, T K;Gallagher, J;Ganster, E;Garrappa, S;Gerhardt, L;Ghorbani, K;Glauch, T;Glüsenkamp, T;Goldschmidt, A;Gonzalez, J G;Grant, D;Griffith, Z;Griswold, S;Günder, M;Gündüz, M;Haack, C;Hallgren, A;Halliday, R;Halve, L;Halzen, F;Hanson, K;Haungs, A;Hebecker, D;Heereman, D;Heix, P;Helbing, K;Hellauer, R;Henningsen, F;Hickford, S;Hignight, J;Hill, G C;Hoffman, K D;Hoffmann, R;Hoinka, T;Hokanson-Fasig, B;Hoshina, K;Huang, F;Huber, M;Huber, T;Hultqvist, K;Hünnefeld, M;Hussain, R;In, S;Iovine, N;Ishihara, A;Japaridze, G S;Jeong, M;Jero, K;Jones, B J P;Jonske, F;Joppe, R;Kang, D;Kang, W;Kappes, A;Kappesser, D;Karg, T;Karl, M;Karle, A;Katz, U;Kauer, M;Kelley, J L;Kheirandish, A;Kim, J;Kintscher, T;Kiryluk, J;Kittler, T;Klein, S R;Koirala, R;Kolanoski, H;Köpke, L;Kopper, C;Kopper, S;Koskinen, D J;Kowalski, M;Krings, K;Krückl, G;Kulacz, N;Kurahashi, N;Kyriacou, A;Labare, M;Lanfranchi, J L;Larson, M J;Lauber, F;Lazar, J P;Leonard, K;Leszczyńska, A;Leuermann, M;Liu, Q R;Lohfink, E;Lozano Mariscal, C J;Lu, L;Lucarelli, F;Lünemann, J;Luszczak, W;Lyu, Y;Ma, W Y;Madsen, J;Maggi, G;Mahn, K B M;Makino, Y;Mallik, P;Mallot, K;Mancina, S;Mariş, I C;Maruyama, R;Mase, K;Matis, H S;Maunu, R;McNally, F;Meagher, K;Medici, M;Medina, A;Meier, M;Meighen-Berger, S;Menne, T;Merino, G;Meures, T;Micallef, J;Mockler, D;Momenté, G;Montaruli, T;Moore, R W;Morse, R;Moulai, M;Muth, P;Nagai, R;Naumann, U;Neer, G;Niederhausen, H;Nisa, M U;Nowicki, S C;Nygren, D R;Obertacke Pollmann, A;Oehler, M;Olivas, A;O'Murchadha, A;O'Sullivan, E;Palczewski, T;Pandya, H;Pankova, D V;Park, N;Peiffer, P;Pérez de Los Heros, C;Philippen, S;Pieloth, D;Pinat, E;Pizzuto, A;Plum, M;Porcelli, A;Price, P B;Przybylski, G T;Raab, C;Raissi, A;Rameez, M;Rauch, L;Rawlins, K;Rea, I C;Reimann, R;Relethford, B;Renschler, M;Renzi, G;Resconi, E;Rhode, W;Richman, M;Robertson, S;Rongen, M;Rott, C;Ruhe, T;Ryckbosch, D;Rysewyk, D;Safa, I;Sanchez Herrera, S E;Sandrock, A;Sandroos, J;Santander, M;Sarkar, S;Sarkar, S;Satalecka, K;Schaufel, M;Schieler, H;Schlunder, P;Schmidt, T;Schneider, A;Schneider, J;Schröder, F G;Schumacher, L;Sclafani, S;Seckel, D;Seunarine, S;Shefali, S;Silva, M;Snihur, R;Soedingrekso, J;Soldin, D;Song, M;Spiczak, G M;Spiering, C;Stachurska, J;Stamatikos, M;Stanev, T;Stein, R;Steinmüller, P;Stettner, J;Steuer, A;Stezelberger, T;Stokstad, R G;Stößl, A;Strotjohann, N L;Stürwald, T;Stuttard, T;Sullivan, G W;Taboada, I;Tenholt, F;Ter-Antonyan, S;Terliuk, A;Tilav, S;Tollefson, K;Tomankova, L;Tönnis, C;Toscano, S;Tosi, D;Trettin, A;Tselengidou, M;Tung, C F;Turcati, A;Turcotte, R;Turley, C F;Ty, B;Unger, E;Unland Elorrieta, M A;Usner, M;Vandenbroucke, J;Van Driessche, W;van Eijk, D;van Eijndhoven, N;Vanheule, S;van Santen, J;Vraeghe, M;Walck, C;Wallace, A;Wallraff, M;Wandkowsky, N;Watson, T B;Weaver, C;Weindl, A;Weiss, M J;Weldert, J;Wendt, C;Werthebach, J;Whelan, B J;Whitehorn, N;Wiebe, K;Wiebusch, C H;Wille, L;Williams, D R;Wills, L;Wolf, M;Wood, J;Wood, T R;Woschnagg, K;Wrede, G;Xu, D L;Xu, X W;Xu, Y;Yanez, J P;Yodh, G;Yoshida, S;Yuan, T;Zöcklein, M;
Journal physical review letters
Year 2020
DOI
10.1103/PhysRevLett.124.051103
URL
Keywords
rotational spectroscopy. hydrogen bonding. self-aggregation. hydration of sugars

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