PoS - Proceedings of Science
Volume 364 - European Physical Society Conference on High Energy Physics (EPS-HEP2019) - Neutrino Physics
Recent results of the DANSS experiment
M. Danilov* on behalf of the DANSS collaboration
*corresponding author
Full text: pdf
Pre-published on: June 10, 2020
Published on:
Abstract
We present new results of the DANSS experiment on the searches for sterile neutrinos. They are based on 2.1 million of inverse beta decay events collected at 10.7, 11.7 and 12.7 meters from the reactor core of the 3.1 GW Kalinin Nuclear Power Plant in Russia. This data sample is 2.5 times larger than the data sample in the previous DANSS publication. The search for the sterile neutrinos is performed using the ratio of $\bar\nu_e$ spectra at two distances. This method is very robust against systematic uncertainties in the $\bar\nu_e$ spectrum and the detector efficiency. We do not see any statistically significant sign for the $\bar\nu_e$ oscillations. This allows us to exclude further a large and interesting part of the sterile neutrino parameter space. All results are preliminary.
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