25–29 Aug 2025
Madison, WI
US/Central timezone

Light Meson decays at BESIII

Not scheduled
20m
Monona Convention Center (Madison, WI)

Monona Convention Center

Madison, WI

Hadron Physics

Speaker

Fabrizio Bianchi

Description

The world’s largest sample of J/ψ events accumulated at the BESIII detector offers a unique opportunity to investigate η and η′ physics via two body J/ψ radiative or hadronic decays. In recent years the BESIII experiment has made significant progresses in η/η′ decays. A selection of recent highlights in light meson spectroscopy at BESIII are reviewed in this report, including observation of the cusp effect in η′ →π0π0η, transition form factor measurements, as well as the search for rare/forbidden decays of η/η′.

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