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Observation of a resonant structure near the Ds+Ds- threshold at LHCb

Aug 9, 2022, 3:00 PM
15m
Oral report 强子物理与味物理 Parallel Session I (2):Hadron and Flavor Physics

Speaker

Mr Hongrong Qi (Tsinghua University)

Description

A near-threshold peaking structure, dubbed X(3960), is observed in the Ds+Ds- mass spectrum with significance greater than 12 standard deviations, using proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV. Its quantum numbers is measured to be J^{PC}=0^{++} with the amplitude analysis. It may be a candidate with the quark content: c cbar s sbar candidate.

Primary author

Mr Hongrong Qi (Tsinghua University)

Presentation materials