26-31 July 2021
Mexico City
Mexico/General timezone
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Contribution Parallel

Mexico City -
Exotic Hadrons and Candidates

ISR studies at Belle II


  • Sen JIA

Primary authors


ISR physics is an interesting way to look for resonant states, which - in case of observation - has a clear signature. This is unique to an e+e- experiments. We present here first studies performed with the early Phase 3 data at Belle II. The Belle II experiment has recorded data corresponding to 89.99 fb-1 integrated luminosity, with which we have performed the analysis of the e+e- -> psi(2S), psi(2S)-> pi+ pi- Jpsi, pi0 pi0 Jpsi, and eta Jpsi.