Abstract
The verification of the sterile neutrino hypothesis and, if confirmed, the determination of the relevant oscillation parameters is one of the goals of the neutrino physics in near future. We propose to search for the sterile neutrinos with a high statistics measurement utilizing the radioactive sources and oscillometric approach with large liquid scintillator detector like LENA, JUNO, or RENO-50. Our calculations indicate that such an experiment is realistic and could be performed in parallel to the main research plan for JUNO, LENA, or RENO-50. Assuming as the starting point the values of the oscillation parameters indicated by the current global fit (in 3 + 1 scenario) and requiring at least 5σ confidence level, we estimate that we would be able to detect differences in the mass squared differences of electron neutrinos and electron antineutrinos of the order of 1% or larger. That would allow to probe the CPT symmetry with neutrinos with an unprecedented accuracy.
Highlights
Determination of the phase of the CP violation in the leptonic sector is the main goal of the two largest and most ambitious neutrino experiments proposed so far: LAGUNA-LBNO [1] in Europe and DUNE [2] in the USA
Relevant would be the outcome of the proposed Borexino SOX experiment [21] as it would use, albeit on a considerably smaller scale, the same sources and the same detection method
If the sterile neutrinos do exist, the Omnibus experiment would be of a fundamental importance to the study of their properties and the physics behind it
Summary
This content has been downloaded from IOPscience. Please scroll down to see the full text. Ser. 718 062063 (http://iopscience.iop.org/1742-6596/718/6/062063) View the table of contents for this issue, or go to the journal homepage for more. Download details: IP Address: 130.234.75.50 This content was downloaded on 14/07/2016 at 10:46 Please note that terms and conditions apply. XIV International Conference on Topics in Astroparticle and Underground Physics (TAUP 2015) IOP Publishing. Journal of Physics: Conference Series 718 (2016) 062063 doi:10.1088/1742-6596/718/6/062063. K K Loo, Yu N Novikov, M V Smirnov, W H Trzaska and M Wurm Department of Physics, FI-40014 University of Jyväskylä, Finland 2 Petersburg Nuclear Physics Institute, 188300 Gatchina, Russia 3 St.Petersburg State University, 199034 St.Petersburg, Russia 4 Johannes Gutenberg University Mainz, 55099 Mainz, Germany
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