Compact Muon Solenoid
LHC, CERN
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| CMS-PAS-HIN-15-012 | ||
| Charm-tagged jet production in pPb collisions at 5.02 TeV and pp collisions at 2.76 TeV | ||
| CMS Collaboration | ||
| September 2015 | ||
| Abstract: This analysis is the first measurement of jets from charm quarks in a proton-lead (pPb) environment with additional charm jet measurements in proton-proton (pp) collisions. Charm jets are identified by requiring a secondary vertex comprised of three or more charged tracks that are significantly displaced from the primary vertex. A variant of the secondary vertex mass is used to extract the relative contributions of jet flavours. We find that the jet energy modification in pPb collisions is consistent with that in pp collisions, albeit at different collision energies. In addition, we observe that the charm jet fraction in pPb is consistent with that predicted by PYTHIA to within systematic uncertainties for both proton-proton and proton-lead collisions. | ||
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Links:
CDS record (PDF) ;
inSPIRE record ;
CADI line (restricted) ;
These preliminary results are superseded in this paper, PLB 772 (2017) 306. The superseded preliminary plots can be found here. |
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Compact Muon Solenoid LHC, CERN |
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