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Observation of $\omega $ contribution in the $\chi_{c1} \left ( 3872 \right ) \to \pi ^{+} \pi ^{-} J/\psi $ decays
Resonant structure in the dipion mass spectrum produced via $B^{+} \to \chi _{c1}\left ( 3872 \right )K^{+}$, $\chi _{c1}\left ( 3872 \right )\to J/\psi \pi ^{+}\pi ^{-}$, with $J/\psi \to \mu ^{+}\mu ^{-}$ is analyzed using Run 1 and Run 2 data samples from the LHCb experiment. The spectrum is do...
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| Lenguaje: | eng |
| Publicado: |
2022
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| Acceso en línea: | http://cds.cern.ch/record/2824643 |