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| CMS-PAS-SMP-20-010 | ||
| Study of quark and gluon jet substructure in dijet and Z+jet events from $\text{p}\text{p}$ collisions | ||
| CMS Collaboration | ||
| March 2021 | ||
| Abstract: A measurement of jet substructure observables describing the distribution of particles within quark- and gluon-initiated jets is presented in this note. Proton-proton collision data at $\sqrt{s}= $ 13 TeV collected by the CMS detector are used, corresponding to an integrated luminosity of 35.9 fb$^{-1}$. A set of generalized angularities with varying sensitivity to the distributions of transverse momenta and angular distances within a jet are studied. The analysis is carried out using a dijet event sample enriched in gluon-initiated jets, and, for the first time, also a Z+jet event sample enriched in quark-initiated jets. The measurement is carried out in bins of jet transverse momentum, and as a function of jet size parameter, for multiple observables with and without a jet grooming procedure applied. Using these measurements, the ability of various models to describe jet substructure observables is studied, showing the clear need for improvements in Monte Carlo generators. | ||
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Links:
CDS record (PDF) ;
inSPIRE record ;
CADI line (restricted) ;
These preliminary results are superseded in this paper, Submitted to JHEP. The superseded preliminary plots can be found here. |
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Compact Muon Solenoid LHC, CERN |
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