Contribution to a conference proceedings PHPPUBDB-5425

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Testing Alternative Oscillation Scenarios with Atmospheric Neutrinos Using AMANDA-II Data from 2000 to 2003

 ;  ;  ; DESY

2007
Universidad Nacional Autonoma de Mexico Ciudad de Mexico

30th International Cosmic Ray Conference, ICRC2007, MeridaMerida, Mexico, 3 Jul 2007 - 11 Jul 20072007-07-032007-07-11 Ciudad de Mexico : Universidad Nacional Autonoma de Mexico 55-58 () [10.1142/9789812779519_0035]  GO

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Abstract: The AMANDA-II neutrino telescope detects upward-going atmospheric muon neutrinos penetratingthe Earth from the Northern Hemisphere via the Cherenkov light of neutrino-induced muons,allowing the reconstruction of the original neutrino direction. Due to the high energy threshold of about 50 GeV, the declination spectrum is minimally affected by standard neutrino oscillations; however, alternative oscillation models predicting subdominant effects can be tested and constrained. Of particular interest are models that allow one to test Lorentz invariance and the equivalence principle. Using the AMANDA-II data from the years 2000 to 2003, a sample of 3401 candidate neutrino-induced events was selected. No indication for alternative oscillation effects was found. For maximal mixing angles, an upper limit is set on both the Lorentz violation parameter δc/c and the equivalence principle violation parameter 2|φ|δγ of 5.3 × 10−27 at the 90% confidence level.


Contributing Institute(s):
  1. Standort Zeuthen (ZNP(-2012))
Research Program(s):
  1. 520 - Astroteilchenphysik (POF1-500) (POF1-500)
Experiment(s):
  1. Antarctic Muon And Neutrino Detector Array

Appears in the scientific report 2007
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Proceedings, 30th International Cosmic Ray Conference (ICRC 2007)
30th International Cosmic Ray Conference, ICRC2007, MeridaMerida, Mexico, 3 Jul 2007 - 11 Jul 20072007-07-032007-07-11 Ciudad de Mexico : Universidad Nacional Autonoma de Mexico ()  GO arXiv   Download fulltextFulltext by arXiv.org BibTeX | EndNote: XML, Text | RIS


 Record created 2012-09-17, last modified 2025-07-31


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