Measurement of differential cross sections for single top quark production in association with a W boson at $\sqrt{s}=13~\mathrm{TeV}$ - INSPIRE

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Measurement of differential cross sections for single top quark production in association with a W boson at $\sqrt{s}=13~\mathrm{TeV}$

CMS

Collaboration

2020

17 pages

Report number:

CMS-PAS-TOP-19-003

Experiments:

CERN-LHC-CMS

View in:

CERN Document Server

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Abstract:

Measurements are presented of normalized differential cross sections for the production of single top quarks in association with a W boson, in proton-proton collisions at a centre-of-mass energy of

13~\mathrm{TeV}

. Events containing one muon and one electron in the final state are analyzed. A fiducial region is defined according to the detector acceptance, and the requirement of exactly one b-tagged jet. The presence of lower-energy jets is vetoed to reduce the contribution from backgrounds. The resulting distributions are unfolded to particle-level and compared with predictions calculations at next-to-leading order in perturbative QCD. Within current uncertainties, all the predictions agree with the data.

Note:

Preliminary results

Monte-Carlo
p p: scattering
p p: colliding beams
top: single production
W: associated production
W: leptonic decay
final state: ((n)jet dilepton)
electron
muon
jet: bottom

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