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Measurement of the mass dependence of the transverse momentum of lepton pairs in Drell-Yan production in proton-proton collisions at sqrt{s} = 13 TeV

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arxiv 2205.04897 v2 pith:RIXZEZ5D submitted 2022-05-10 hep-ex

Measurement of the mass dependence of the transverse momentum of lepton pairs in Drell-Yan production in proton-proton collisions at sqrt{s} = 13 TeV

classification hep-ex
keywords massmathrmcollisionscrossdifferentialdrell-yanleptonmeasurement
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The double differential cross sections of the Drell-Yan lepton pair ($\ell^+\ell^-$, dielectron or dimuon) production are measured as functions of the invariant mass $m_{\ell\ell}$, transverse momentum $p_\mathrm{T}(\ell\ell)$, and $\phi^*_\eta$. The $\phi^*_\eta$ observable, derived from angular measurements of the leptons and highly correlated with $p_\mathrm{T}(\ell\ell)$, is used to probe the low-$p_\mathrm{T}(\ell\ell)$ region in a complementary way. Dilepton masses up to 1 TeV are investigated. Additionally, a measurement is performed requiring at least one jet in the final state. To benefit from partial cancellation of the systematic uncertainty, the ratios of the differential cross sections for various $m_{\ell\ell}$ ranges to those in the Z mass peak interval are presented. The collected data correspond to an integrated luminosity of 36.3 fb$^{-1}$ of proton-proton collisions recorded with the CMS detector at the LHC at a centre-of-mass energy of 13 TeV. Measurements are compared with predictions based on perturbative quantum chromodynamics, including soft-gluon resummation.

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Cited by 4 Pith papers

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    With a remnant-only recoil scheme, the PDF2ISR shower reproduces PB-TMD Drell-Yan predictions and data from sqrt(s)=38.8 GeV to 13 TeV using one energy-independent intrinsic-kT width (q_s=1.04 GeV); low-pT spectra exp...

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