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000401707 0247_ $$2arXiv$$aarXiv:1803.04336
000401707 0247_ $$2datacite_doi$$a10.3204/PUBDB-2018-01499
000401707 0247_ $$2inspire$$ainspire:1662085
000401707 037__ $$aPUBDB-2018-01499
000401707 041__ $$aEnglish
000401707 0881_ $$aDESY-18-024; CP3-18-16; NIKHEF/2018-008; TIF-UNIMI 2018-2; arXiv:1803.04336
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000401707 088__ $$2arXiv$$aarXiv:1803.04336
000401707 1001_ $$0P:(DE-H253)PIP1023671$$aBagnaschi, Emanuele$$b0$$eCorresponding author
000401707 245__ $$aLepton-pair production in association with a $\mathrm{b\bar{b}}$ pair and the determination of the $W$ boson mass
000401707 260__ $$c2018
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000401707 520__ $$aWe perform a study of lepton-pair production in association with bottom quarks at the LHC based on the predictions obtained at next-to-leading order in QCD, both at fixed order and matched with a QCD parton shower. We consider a comprehensive set of observables and estimate the associated theoretical uncertainties by studying the dependence on the perturbative QCD scales (renormalisation, factorisation and shower) and by comparing different parton-shower models (Pythia8 and Herwig++) and matching schemes (MadGraph5_aMC@NLO and POWHEG). Based on these results, we propose a simple procedure to include bottom-quark effects in neutral-current Drell-Yan production, going beyond the standard massless approximation. Focusing on the inclusive lepton-pair transverse-momentum distribution $p_{\bot}^{l^+l^-}$, we quantify the impact of such effects on the tuning of the simulation of charged-current Drell-Yan observables and the $W$-boson mass determination.
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000401707 7001_ $$aMaltoni, Fabio$$b1
000401707 7001_ $$aVicini, Alessandro$$b2
000401707 7001_ $$aZaro, Marco$$b3
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