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Astrophysics > Instrumentation and Methods for Astrophysics

arXiv:1306.5846 (astro-ph)
[Submitted on 25 Jun 2013]

Title:PINGU Sensitivity to the Neutrino Mass Hierarchy

Authors:The IceCube, PINGU collaboration
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Abstract:The neutrino mass hierarchy is one of the few remaining unknown parameters in the neutrino sector and hence a primary focus of the experimental community. The Precision IceCube Next Generation Upgrade (PINGU) experiment, to be co-located with the IceCube DeepCore detector in the deep Antarctic glacier, is being designed to provide a first definitive measurement of the mass hierarchy. We have conducted feasibility studies for the detector design that demonstrate a statistically-limited sensitivity to the hierarchy of 2.1 sigma to 3.4 sigma per year is possible, depending on the detector geometry (20 to 40 strings) and analysis efficiencies. First studies of the effects of systematic and theoretical uncertainties show limited impact on the overall sensitivity to the hierarchy. Assuming deployment of the first array elements in the 2016/17 austral summer season a 3 sigma measurement of the hierarchy is anticipated with PINGU in 2020.
Comments: Submitted to the Snowmass 2013 Proceedings
Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); High Energy Physics - Experiment (hep-ex); Instrumentation and Detectors (physics.ins-det)
Cite as: arXiv:1306.5846 [astro-ph.IM]
  (or arXiv:1306.5846v1 [astro-ph.IM] for this version)
  https://doi.org/10.48550/arXiv.1306.5846

Submission history

From: Darren Grant [view email]
[v1] Tue, 25 Jun 2013 05:05:32 UTC (26 KB)
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