Measurement of the mass dependence of the transverse momentum of lepton pairs in Drell–Yan production in proton–proton collisions at $$\sqrt{s} = 13\,\text {Te\hspace{-.08em}V} $$ s = 13 Te V
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10052_2023_Article_11631.pdf
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Author(s)
Tumasyan, A.
Adam, W.
Andrejkovic, J. W.
Bergauer, T.
Chatterjee, S.
Dragicevic, M.
Valle, A. E. D.
Frühwirth, R.
Jeitler, M.
Krammer, N.
Date Issued
July 17, 2023
Publisher
Springer Berlin Heidelberg
Citation
The European Physical Journal C. 2023 Jul 17;83(7):628
Version
Final published version
Abstract
Abstract
The double differential cross sections of the Drell–Yan lepton pair (
$$\ell ^+\ell ^-$$
ℓ
+
ℓ
-
, dielectron or dimuon) production are measured as functions of the invariant mass
$$m_{\ell \ell }$$
m
ℓ
ℓ
, transverse momentum
$$p_{\textrm{T}} (\ell \ell )$$
p
T
(
ℓ
ℓ
)
, and
$$\varphi ^{*}_{\eta }$$
φ
η
∗
. The
$$\varphi ^{*}_{\eta }$$
φ
η
∗
observable, derived from angular measurements of the leptons and highly correlated with
$$p_{\textrm{T}} (\ell \ell )$$
p
T
(
ℓ
ℓ
)
, is used to probe the low-
$$p_{\textrm{T}} (\ell \ell )$$
p
T
(
ℓ
ℓ
)
region in a complementary way. Dilepton masses up to 1
$$\,\text {Te\hspace{-.08em}V}$$
Te
V
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
$$m_{\ell \ell }$$
m
ℓ
ℓ
ranges to those in the Z mass peak interval are presented. The collected data correspond to an integrated luminosity of 36.3
$$\,\text {fb}^{-1}$$
fb
-
1
of proton–proton collisions recorded with the CMS detector at the LHC at a centre-of-mass energy of 13
$$\,\text {Te\hspace{-.08em}V}$$
Te
V
. Measurements are compared with predictions based on perturbative quantum chromodynamics, including soft-gluon resummation.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Terms of Use
Creative Commons Attribution
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1140/epjc/s10052-023-11631-7
