Improved treatment of the $T_2$ molecular final-states uncertainties for the KATRIN neutrino-mass measurement

S. Schneidewind, J. Schürmann, A. Lokhov +2

The KArlsruhe TRItium Neutrino experiment (KATRIN) aims to determine the effective mass of the electron antineutrino via a high-precision measurement of the tritium beta-decay spec…