Computes maximum phase-space density of linearly polarized gluon TMD h1^⊥g as ~2 α_s^{-3/2} (dipole) in saturation using Mueller occupancy and prior WW/dipole distributions, with numerical Collins-Soper study.
Wanget al.,Improved resummation prediction on Higgs production at hadron colliders, Phys
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abstract
We improve the resummation calculations in the ResBos program for the Higgs boson production via gluon-gluon fusion by including the NNLO Wilson coefficient functions and G-functions. The improvement leads to increasing the total cross section predictions of the new ResBos program, dubbed as ResBos2, for Higgs boson production by about 8% and 6% at the Tevatron and the LHC, respectively, as compared to the old ResBos program. Furthermore, the improved predictions are compared with those from the programs HNNLO and HqT2. We find that they agree well for the total cross sections but differ slightly for the transverse momentum $Q_T$ distributions. With ResBos2, we present the distributions of the two variables $a_T$ and $\phi^{*}$, which can have better experimental resolutions than $Q_T$, for the process of Higgs boson decaying into a photon pair. Theoretical uncertainties of the ResBos2 predictions are also discussed.
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LHCb measures forward W+ and W- production cross-sections of 1754.2 pb and 1178.1 pb at 13 TeV, agreeing with NNLO QCD predictions at higher precision than prior results.
Muon charge asymmetry from W decays is measured with highest precision in the forward region at 13 TeV and agrees with NNLO pQCD.
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Measurement of the $W$-boson production cross-sections in $pp$ collisions at $\sqrt{s}$ = 13 TeV in the forward region
LHCb measures forward W+ and W- production cross-sections of 1754.2 pb and 1178.1 pb at 13 TeV, agreeing with NNLO QCD predictions at higher precision than prior results.