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B&Q Invited Theory Talk: Two Nearby States in the $\chi_{c1}(3872)$ Region

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4/S-030 (CERN)

4/S-030

CERN

30
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Da Yu Tou (Tsinghua University (CN)), Elisabetta Spadaro Norella (INFN e Universita Genova (IT))
Description

Satoshi Nakamura will present his work on radiative $\chi_{c1}(3872)$ decays, arXiv:2602.19165, which aims to reconcile the tension between LHCb (JHEP 11 (2024) 121) and BESIII (PRL 124 (2020) 24, 242001) measurement of branching fraction of radiative $\chi_{c1}(3872)$ decays. His paper proposes the solution of two distinct states in the $\chi_{c1}(3872)$ region of $b$ decays and proposes measuring the angular distributions of $\chi_{c1}(3872)\to \psi\gamma$ decays.

This meeting will be recorded.

Link to Zoom meeting: https://cern.zoom.us/j/64460313449?pwd=mIWHS6Kd9ygaGq4sSUEzcxkJfXJ6uh.1

    • 14:00 → 14:30
      Talk: Two Nearby States in the $\chi_{c1}(3872)$ Region 30m
      Speaker: Satoshi Nakamura
      sxnakamura.pdf
    • 14:30 → 15:00
      Discussion 30m