Search for heavy Majorana neutrino in lepton number violating decays of D-> K pi e+ e+

BESIII Collaboration, M. Ablikim, M. N. Achasov +456

Using the data sample of an integrated luminosity of 2.93 fb${}^{-1}$ taken at the center-of-mass energy of 3.773 GeV, we search for the Majorana neutrino in the lepton number violat…