Theoretical and Experimental Challenges in the Measurement of Neutrino Mass

Table 2

Current bounds on effective electron antineutrino mass from decay kinematics.

Experiments	Isotope	(eV); (90% C.L.)	Ref.
KATRIN (2019)	^3H	<1.1	[46]
KATRIN (2021)	^3H	<0.9	[39]
KATRIN (combined)	^3H	<0.8	[39]