Measurement of differential cross sections for t-channel single-top-quark production at 13 TeV

The production of single top quarks is a cornerstone in understanding the nature of the heaviest known elementary particle and its involvement in electroweak interactions. An early differential cross section measurement of t-channel single-top-quark production is presented. Proton-Proton collision data at a center-of-mass energy of $13~\mathrm{TeV}$ collected in 2015 were analyzed, corresponding to $2.3~\mathrm{fb}^{-1}$. The amount of signal events as a function of the top quark transverse momentum and rapidity is estimated using a multivariate discriminant. The results are unfolded to parton level and compared to predictions by various Monte-Carlo generators.

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