Measurement of Atmospheric Neutrino Oscillations with the ANTARES Neutrino Telescope

S. Adrian-Martinez I. Al Samarai 1 A. Albert 2 M. Andre M. Anghinolfi G. Anton S. Anvar 3 M. Ardid T. Astraatmadja J.-J. Aubert 1 B. Baret 4 S. Basa V. Bertin 1 S. Biagi C. Bigongiari C. Bogazzi M. Bou-Cabo B. Bouhou 5 M. C. Bouwhuis J. Brunner 1 J. Busto 1 A. Capone C. Carloganu 6 J. Carr 1 S. Cecchini Z. Charif 1 Ph. Charvis T. Chiarusi M. Circella R. Coniglione L. Core H. Costantini 1 P. Coyle 1 A. Creusot 5 C. Curtil 1 G. De Bonis M. P. Decowski I. Dekeyser 7 Anne Deschamps C. Distefano C. Donzaud 5 D. Dornic Q. Dorosti D. Drouhin T. Eberl U. Emanuele A. Enzenhoefer J.-P. Ernenwein 1 S. Escoffier 1 K. Fehn P. Fermani M. Ferri S. Ferry 8 V. Flaminio F. Folger U. Fritsch J.-L. Fuda 7 S. Galata 1 Pascal Gay 6 K. Geyer G. Giacomelli V. Giordano A. Gleixner J. P. Gomez-Gonzalez K. Graf G. Guillard 6 G. Hallewell 1 M. Hamal H. Van Haren A. J. Heijboer Y. Hello J. J. Hernandez-Rey B. Herold J. Hoessl C. C. Hsu M. De Jong M. Kadler O. Kalekin A. Kappes U. Katz O. Kavatsyuk P. Kooijman C. Kopper A. Kouchner I. Kreykenbohm V. Kulikovskiy R. Lahmann G. Lambard 1 G. Larosa D. Lattuada D. Lefevre 7 G. Lim D. Lo Presti H. Loehner S. Loucatos 3 F. Louis 3 S. Mangano M. Marcelin A. Margiotta J. A. Martinez-Mora A. Meli T. Montaruli M. Morganti L. Moscoso 3, 5 H. Motz M. Neff E. Nezri D. Palioselitis G. E. Pavalas K. Payet 3 J. Petrovic P. Piattelli V. Popa T. Pradier 9 E. Presani C. Racca 2 C. Reed G. Riccobene C. Richardt R. Richter C. Riviere 1 A. Robert 7 K. Roensch A. Rostovtsev J. Ruiz-Rivas M. Rujoiu G. V. Russo D. F. E. Samtleben A. Sanchez-Losa P. Sapienza J. Schmid J. Schnabel F. Schoeck J.-P. Schuller F. Schuessler T. Seitz R. Shanidze F. Simeone A. Spies M. Spurio J. J. M. Steijger Th. Stolarczyk 3 M. Taiuti C. Tamburini 7 A. Trovato B. Vallage 3 C. Vallee 10 V. Van Elewyck 5 M. Vecchi 1 P. Vernin 3 Eelco Visser S. Wagner G. Wijnker J. Wilms E. De Wolf H. Yepes D. Zaborov J.D. Zornoza J. Zuniga
Abstract : The data taken with the ANTARES neutrino telescope from 2007 to 2010, a total live time of 863 days, are used to measure the oscillation parameters of atmospheric neutrinos. Muon tracks are reconstructed with energies as low as 20 GeV. Neutrino oscillations will cause a suppression of vertical upgoing muon neutrinos of such energies crossing the Earth. The parameters determining the oscillation of atmospheric neutrinos are extracted by fitting the event rate as a function of the ratio of the estimated neutrino energy and reconstructed flight path through the Earth. Measurement contours of the oscillation parameters in a two-flavour approximation are derived. Assuming maximal mixing, a mass difference of Δm322=(3.1±0.9)ṡ10-3eV is obtained, in good agreement with the world average value.
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Soumis le : mardi 19 juin 2012 - 15:56:35
Dernière modification le : jeudi 23 novembre 2017 - 13:40:02

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S. Adrian-Martinez, I. Al Samarai, A. Albert, M. Andre, M. Anghinolfi, et al.. Measurement of Atmospheric Neutrino Oscillations with the ANTARES Neutrino Telescope. Physics Letters B, Elsevier, 2012, 714, pp.224-230. 〈10.1016/j.physletb.2012.07.002〉. 〈in2p3-00709863〉

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