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Associated Higgs + jet(s) production at the LHC and CCFM gluon dynamics in a proton | | A.V. Lipatov
; M.A. Malyshev
; | | Date: |
10 Sep 2020 | | Abstract: | We consider the associated production of Higgs boson and hadronic jet(s) in
$pp$ collisions at the LHC for the first time using the $k_T$-factorization
approach. Our analysis is based on the off-shell gluon-gluon fusion subprocess,
where non-zero transverse momenta of initial gluons are taken into account and
covers $H o gamma gamma$, $H o ZZ^* o 4l$ (with $l = e,mu$) and $H o
W^+ W^- o e^pm mu^mp
u ar
u$ decay channels. The transverse momentum
dependent (TMD) gluon densities in a proton are taken from
Catani-Ciafaloni-Fiorani-Marchesini evolution equation. To simulate the
kinematics of the produced jets the TMD parton shower implemented into the
Monte-Carlo event generator extsc{cascade} is applied. The comparison of our
results with the latest experimental data taken by the CMS and ATLAS
Collaborations at $sqrt s = 8$ and $13$ TeV and conventional higher-order
perturbative QCD calculations is presented. We highlight observables, which are
sensitive to the TMD gluon densities in a proton. | | Source: | arXiv, 2009.04908 | | Services: | Forum | Review | PDF | Favorites | |
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