The excess could be due to a difficult-to-constrain tritium background, solar axions or solar neutrinos with a Majorana nature, says the collaboration.
Albert De Roeck reviews The State of the Art of Neutrino Physics: A Tutorial for Graduate Students and Young Researchers.
In a new article published in Nature, the T2K collaboration excludes leptonic CP conservation at 3σ confidence.
2015 Nobel-laureate Takaaki Kajita opened NuPhys19 by confirming that construction of Hyper-Kamiokande will begin this year.
The Karlsruhe Tritium Neutrino experiment has begun its seven-year-long programme to determine the absolute value of the neutrino mass.
The 15th edition of the Rencontres du Vietnam celebrated the 30th anniversary of the start of LEP.
The 16th International Conference on Topics in Astroparticle and Underground Physics was held in Toyama, Japan from 9–13 September.
Their 90% confidence upper limit of 1.1 eV halves the previous best model-independent bound with just one month of data.
PHYSTAT-nu 2019 was held at CERN from 22 to 25 January.
The first International Conference on the History of the Neutrino took place at the Université Paris Diderot in Paris on 5–7 September 2018.