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October 30, 2021 to November 2, 2021
Asia/Shanghai timezone

Charmonia Decays on the Lattice

Nov 2, 2021, 10:30 AM



Dr 雨 孟 (school of physics Peking Uniersity)


The charmonia decays present an ideal laboratory for testing the interplay between perturbative and nonperturbative QCD. In this talk, I focus on the all-photon decay and radiative decay of charmoina. Adopting a new method proposed recently, we perform the systematic lattice calculations on ηc/χc0→2γ and J/ψ→γηc. By using three Nf=2 twisted mass gauge ensembles with different lattice spacings, we obtain the final decay width for these processes. In the end, more interesting charmonia decays are looked forward.

Presentation materials