PoS - Proceedings of Science
Volume 398 - The European Physical Society Conference on High Energy Physics (EPS-HEP2021) - T06: QCD and Hadronic Physics
Measurement of the Z boson production in association with at least two b jets in pp collisions at √s = 13 TeV
H.W. Hsia
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Abstract
The cross sections of the Z boson production in association with at least two b jets as a function of various kinematic variables are measured in pp collisions at $\sqrt{s} =$ 13 TeV using 137 ${\textrm{fb}^{-1}}$ of data collected by the CMS experiment at LHC. The Z boson decays to electrons or muons are considered with leading (sub-leading) lepton transverse momentum $p_\textrm{T}$ > 35 (25) GeV and pseudorapidity |$\eta$|< 2.4, and the invariant mass within 71 and 111 GeV. Jets are selected with $p_\textrm{T}$ > 30 GeV and |$\eta$| < 2.4. The results are compared to various QCD calculations.
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