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. 2013 Aug 23;111(8):081801.
doi: 10.1103/PhysRevLett.111.081801. Epub 2013 Aug 19.

Measurement of atmospheric neutrino oscillations with IceCube

M G Aartsen  1 , R Abbasi, Y Abdou, M Ackermann, J Adams, J A Aguilar, M Ahlers, D Altmann, J Auffenberg, X Bai, M Baker, S W Barwick, V Baum, R Bay, J J Beatty, S Bechet, J Becker Tjus, K-H Becker, M Bell, M L Benabderrahmane, S Benzvi, J Berdermann, P Berghaus, D Berley, E Bernardini, A Bernhard, D Bertrand, D Z Besson, G Binder, D Bindig, M Bissok, E Blaufuss, J Blumenthal, D J Boersma, S Bohaichuk, C Bohm, D Bose, S Böser, O Botner, L Brayeur, H-P Bretz, A M Brown, R Bruijn, J Brunner, M Carson, J Casey, M Casier, D Chirkin, A Christov, B Christy, K Clark, F Clevermann, S Coenders, S Cohen, D F Cowen, A H Cruz Silva, M Danninger, J Daughhetee, J C Davis, C De Clercq, S De Ridder, P Desiati, M de With, T DeYoung, J C Díaz-Vélez, M Dunkman, R Eagan, B Eberhardt, J Eisch, R W Ellsworth, S Euler, P A Evenson, O Fadiran, A R Fazely, A Fedynitch, J Feintzeig, T Feusels, K Filimonov, C Finley, T Fischer-Wasels, S Flis, A Franckowiak, R Franke, K Frantzen, T Fuchs, T K Gaisser, J Gallagher, L Gerhardt, L Gladstone, T Glüsenkamp, A Goldschmidt, G Golup, J G Gonzalez, J A Goodman, D Góra, D T Grandmont, D Grant, A Groß, C Ha, A Haj Ismail, P Hallen, A Hallgren, F Halzen, K Hanson, D Heereman, D Heinen, K Helbing, R Hellauer, S Hickford, G C Hill, K D Hoffman, R Hoffmann, A Homeier, K Hoshina, W Huelsnitz, P O Hulth, K Hultqvist, S Hussain, A Ishihara, E Jacobi, J Jacobsen, K Jagielski, G S Japaridze, K Jero, O Jlelati, B Kaminsky, A Kappes, T Karg, A Karle, J L Kelley, J Kiryluk, F Kislat, J Kläs, S R Klein, J-H Köhne, G Kohnen, H Kolanoski, L Köpke, C Kopper, S Kopper, D J Koskinen, M Kowalski, M Krasberg, K Krings, G Kroll, J Kunnen, N Kurahashi, T Kuwabara, M Labare, H Landsman, M J Larson, M Lesiak-Bzdak, M Leuermann, J Leute, J Lünemann, J Madsen, R Maruyama, K Mase, H S Matis, F McNally, K Meagher, M Merck, P Mészáros, T Meures, S Miarecki, E Middell, N Milke, J Miller, L Mohrmann, T Montaruli, R Morse, R Nahnhauer, U Naumann, H Niederhausen, S C Nowicki, D R Nygren, A Obertacke, S Odrowski, A Olivas, M Olivo, A O'Murchadha, A Palazzo, L Paul, J A Pepper, C Pérez de los Heros, C Pfendner, D Pieloth, E Pinat, N Pirk, J Posselt, P B Price, G T Przybylski, L Rädel, M Rameez, K Rawlins, P Redl, R Reimann, E Resconi, W Rhode, M Ribordy, M Richman, B Riedel, J P Rodrigues, C Rott, T Ruhe, B Ruzybayev, D Ryckbosch, S M Saba, T Salameh, H-G Sander, M Santander, S Sarkar, K Schatto, M Scheel, F Scheriau, T Schmidt, M Schmitz, S Schoenen, S Schöneberg, A Schönwald, A Schukraft, L Schulte, O Schulz, D Seckel, Y Sestayo, S Seunarine, C Sheremata, M W E Smith, D Soldin, G M Spiczak, C Spiering, M Stamatikos, T Stanev, A Stasik, T Stezelberger, R G Stokstad, A Stößl, E A Strahler, R Ström, G W Sullivan, H Taavola, I Taboada, A Tamburro, A Tepe, S Ter-Antonyan, G Tešić, S Tilav, P A Toale, S Toscano, M Usner, D van der Drift, N van Eijndhoven, A Van Overloop, J van Santen, M Vehring, M Voge, M Vraeghe, C Walck, T Waldenmaier, M Wallraff, R Wasserman, Ch Weaver, M Wellons, C Wendt, S Westerhoff, N Whitehorn, K Wiebe, C H Wiebusch, D R Williams, H Wissing, M Wolf, T R Wood, K Woschnagg, C Xu, D L Xu, X W Xu, J P Yanez, G Yodh, S Yoshida, P Zarzhitsky, J Ziemann, S Zierke, M Zoll; IceCube Collaboration
Affiliations
Free article

Measurement of atmospheric neutrino oscillations with IceCube

M G Aartsen et al. Phys Rev Lett. .
Free article

Abstract

We present the first statistically significant detection of neutrino oscillations in the high-energy regime (>20 GeV) from an analysis of IceCube Neutrino Observatory data collected in 2010 and 2011. This measurement is made possible by the low-energy threshold of the DeepCore detector (~20 GeV) and benefits from the use of the IceCube detector as a veto against cosmic-ray-induced muon background. The oscillation signal was detected within a low-energy muon neutrino sample (20-100 GeV) extracted from data collected by DeepCore. A high-energy muon neutrino sample (100 GeV-10 TeV) was extracted from IceCube data to constrain systematic uncertainties. The disappearance of low-energy upward-going muon neutrinos was observed, and the nonoscillation hypothesis is rejected with more than 5σ significance. In a two-neutrino flavor formalism, our data are best described by the atmospheric neutrino oscillation parameters |Δm(32)(2)|=(2.3(-0.5)(+0.6))×10(-3) eV(2) and sin(2)(2θ(23))>0.93, and maximum mixing is favored.

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