Measurement of the mass dependence of the transverse momentum of lepton pairs in Drell–Yan production in proton–proton collisions at √𝑠=13TeV
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Issue Date
2023-07-17Author
CMS Collaboration
Publisher
SpringerOpen
Type
Article
Article Version
Scholarly/refereed, publisher version
Rights
© CERN for the benefit of the CMS collaboration 2023. This article is licensed under a Creative Commons Attribution 4.0 International License.
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The double differential cross sections of the Drell–Yan lepton pair (ℓ+ℓ−, dielectron or dimuon) production are measured as functions of the invariant mass 𝑚ℓℓ, transverse momentum 𝑝T(ℓℓ), and φ∗𝜂. The φ∗𝜂 observable, derived from angular measurements of the leptons and highly correlated with 𝑝T(ℓℓ), is used to probe the low-𝑝T(ℓℓ) region in a complementary way. Dilepton masses up to 1TeV 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 𝑚ℓℓ ranges to those in the Z mass peak interval are presented. The collected data correspond to an integrated luminosity of 36.3fb−1 of proton–proton collisions recorded with the CMS detector at the LHC at a centre-of-mass energy of 13TeV. Measurements are compared with predictions based on perturbative quantum chromodynamics, including soft-gluon resummation.
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Citation
Tumasyan, A., Adam, W., Andrejkovic, J.W. et al. Measurement of the mass dependence of the transverse momentum of lepton pairs in Drell–Yan production in proton–proton collisions at √𝑠=13TeV. Eur. Phys. J. C 83, 628 (2023). https://doi.org/10.1140/epjc/s10052-023-11631-7
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