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Sep 24 – 29, 2023
US/Eastern timezone

Baryon number-violating amplitudes on a lattice

Sep 26, 2023, 11:00 AM
20m
Junior A3 (Durham Convention Center)

Junior A3

Durham Convention Center

Speaker

Sergey Syritsyn (Stonybrook)

Description

Neutron-antineutron oscillations and proton decay are long-sought manifestations particle unification models. At least one of these phenomena is expected to exist due to the observed baryon asymmetry of the Universe. Constraints on unification and beyond-standard models from existing and newly proposed experiments depend heavily on nucleon and nuclear matrix elements of quark-level BNV operators. These amplitudes are determined by nonperturbative QCD dynamics and must be computed numerically to avoid nucleon model uncertainties. Within the past few years, these amplitudes have been computed on a lattice with tight control over most sources of systematic effects. I will present results and discuss implications of these calculations for neutron-antineutron oscillations and proton decays.

Primary author

Sergey Syritsyn (Stonybrook)

Presentation materials