Type: Article
Publication Date: 2017-07-31
Citations: 39
DOI: https://doi.org/10.1103/physrevd.96.011102
T2K measured the neutrino mass difference $\ensuremath{\delta}\phantom{\rule{0}{0ex}}{m}_{32}^{2}$ and the mixing angle ${\ensuremath{\theta}}_{23}$ both for neutrinos and, separately, for anti-neutrinos. Their results for the mass difference and mixing angle are not only highly competitive, but, since they show no difference in these two modes, provide important evidence that CPT is not violated within the accuracy of their measurements.