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Identifying hadronic charmonium decays in hadron colliders

by Nicolo de Groot, Sergi Castells

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Submission summary

Authors (as registered SciPost users): Nicolo De Groot
Submission information
Preprint Link:  (pdf)
Date accepted: 2020-05-27
Date submitted: 2020-05-20 02:00
Submitted by: De Groot, Nicolo
Submitted to: SciPost Physics
Ontological classification
Academic field: Physics
  • High-Energy Physics - Experiment
  • High-Energy Physics - Phenomenology
Approach: Experimental


Identification of charmonium states at hadron colliders has mostly been limited to leptonic decays of the J/{\psi}. In this paper we present and algorithm to identify hadronic decays of charmonium states (J/{\psi}, {\psi}(2S), \chi_{c0,1,2}) which make up the large majority of all decays. The algorithm is able to identify hadronic $J/\psi$ decays with an efficiency of 36\% while suppressing a background of quark and gluon jets by a factor 100.

Published as SciPost Phys. Core 2, 008 (2020)

Author comments upon resubmission

Version correcting referees comments

List of changes

- efficiency at background rejection of 1000 quoted
- reference to dropout added
- few typos corrected

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