EPJ Web Conf.
Volume 219, 2019International Workshop on Particle Physics at Neutron Sources (PPNS 2018)
|Number of page(s)||6|
|Section||Searches for eV-Neutrinos|
|Published online||12 December 2019|
Search for light sterile neutrinos with the STEREO experiment
1 Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany
2 Univ. Grenoble Alpes, Université Savoie Mont Blanc, CNRS/IN2P3, LAPP, 74000 Annecy, France
3 Univ. Grenoble Alpes, CNRS, Grenoble INP, LPSC-IN2P3, 38000 Grenoble, France
4 Irfu, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
5 Institut Laue Langevin, CS 20156, 38042 Grenoble Cedex 9, France
a e-mail: email@example.com
Published online: 12 December 2019
The stereo experiment is searching for a non-standard oscillation in the propagation of anti-neutrinos produced by a nuclear reactor which could be the sign for the existence of a sterile state of eV mass and the origin of the reactor anti-neutrino anomaly. In this paper, results from 66 days of reactor turned on and 138 days of reactor turned off are reported excluding large amplitude oscillations. A special focus is put on the data analysis and studies of correlated backgrounds. In particular the origin of the correlated background measured in reactor turned off periods is discussed. This background mainly originates from neutrons produced by cosmic radiation.
© The Authors, published by EDP Sciences, 2019
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