Neutrinoless Double Beta Decay: 2015 Review

Figure 8

Evolution of some significant values for as indicated by cosmology, based on well-known works [133–136]. Since the error for the first value is not reported in the reference, we assumed an error of 50% for the purpose of illustration. The yellow region includes values of compatible with the spectrum, but not with the one. The gray band includes values of incompatible with the standard cosmology and with oscillation experiments.