Production of the hidden charm state $X(3872)$ and of $\psi(2S)$ with the ATLAS detector
J. Broughton*
on behalf of the ATLAS Collaboration*: corresponding author
Pre-published on:
September 12, 2017
Published on:
January 16, 2018
Abstract
Differential cross sections are presented for the prompt and non-prompt production of the hidden-charm state $X(3872)$ and $\psi(2S)$, in the decay mode $J/\psi\pi^+\pi^-$, measured at $\sqrt{s} = 8$ TeV by the ATLAS detector at LHC. In the non-prompt production, the data suggest the presence of a short-lived component, which may be due to $B_c$ decays. The dipion invariant masses in both $X(3872)$ and $\psi(2S)$ are measured and compared to theoretical predictions.
DOI: https://doi.org/10.22323/1.297.0125
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