Measurement of the absolute scale of the neutrino mass contributes to our current
understanding of massive neutrinos in the Standard Model of particle physics, and has
relevance and implications for observational cosmology and astroparticle physics. The
K Arlsruhe TRItium Neutrino (KATRIN) collaboration aims to determine the neutrino
mass with a sensitivity of 0:2 eV (90% CL). This will be achieved with a high-precision
measurement of the endpoint region of the tritium -electron spectrum. A t is per-
Attempts to solve naturalness by having the weak scale as the only breaking of classical scale invariance in 4-dimensional Quantum Field Theories satisfy Total Asymptotic Freedom (TAF): the theory holds up to infinite energy, where all coupling constants flow to zero and is devoid of any Landau poles. Specifically we will discuss a fundamental field theory of the QCD axion in the totally asymptotically free (TAF) scenario, and the dynamics of the Peccei-Quinn (PQ) phase transition there-in.