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Measurement of the W-boson angular coefficients and transverse momentum in pp collisions at s=13 TeV with the ATLAS detector.

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Title: Measurement of the W-boson angular coefficients and transverse momentum in pp collisions at s=13 TeV with the ATLAS detector.
Authors: Aad, G.1 (AUTHOR), Aakvaag, E.2 (AUTHOR), Abbott, B.3 (AUTHOR), Abdelhameed, S.4 (AUTHOR), Abeling, K.5 (AUTHOR), Abicht, N. J.6 (AUTHOR), Abidi, S. H.7 (AUTHOR), Aboelela, M.8 (AUTHOR), Aboulhorma, A.9 (AUTHOR), Abramowicz, H.10 (AUTHOR), Abulaiti, Y.11 (AUTHOR), Acharya, B. S.12,13,14 (AUTHOR), Ackermann, A.15 (AUTHOR), Bourdarios, C. Adam16 (AUTHOR), Adamczyk, L.17 (AUTHOR), Addepalli, S. V.18 (AUTHOR), Addison, M. J.19 (AUTHOR), Adelman, J.20 (AUTHOR), Adiguzel, A.21 (AUTHOR), Adye, T.22 (AUTHOR)
Source: European Physical Journal C -- Particles & Fields. May2026, Vol. 86 Issue 5, p1-41. 41p.
Subjects: Gauge bosons, Momentum (Mechanics), Particle physics, Proton-proton interactions, Quantum chromodynamics, Particle detectors, Large Hadron Collider
Abstract: The angular distributions of Drell–Yan lepton pairs provide sensitive probes of the underlying dynamics of quantum chromodynamics (QCD) effects in vector-boson production. This paper presents for the first time the measurement of the full set of angular coefficients together with the differential cross-section as a function of the transverse momentum of the W boson, in the full phase space of the decay leptons. The measurements are performed separately for the W - and W + channels. The analysis uses proton–proton collision data recorded by the ATLAS experiment at the Large Hadron Collider in 2017 and 2018, during special low-luminosity runs with a reduced number of interactions per bunch crossings (pile-up). The data correspond to an integrated luminosity of 338 pb - 1 at a centre-of-mass energy of s = 13 TeV. The low pile-up environment provides excellent experimental conditions for high-precision measurements of W-boson production. All results agree with theoretical predictions incorporating finite-order QCD corrections up to order α S 2 . [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Measurement of the W-boson angular coefficients and transverse momentum in pp collisions at s=13 TeV with the ATLAS detector.
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+C+--+Particles+%26+Fields%22">European Physical Journal C -- Particles & Fields</searchLink>. May2026, Vol. 86 Issue 5, p1-41. 41p.
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  Data: The angular distributions of Drell–Yan lepton pairs provide sensitive probes of the underlying dynamics of quantum chromodynamics (QCD) effects in vector-boson production. This paper presents for the first time the measurement of the full set of angular coefficients together with the differential cross-section as a function of the transverse momentum of the W boson, in the full phase space of the decay leptons. The measurements are performed separately for the W - and W + channels. The analysis uses proton–proton collision data recorded by the ATLAS experiment at the Large Hadron Collider in 2017 and 2018, during special low-luminosity runs with a reduced number of interactions per bunch crossings (pile-up). The data correspond to an integrated luminosity of 338 pb - 1 at a centre-of-mass energy of s = 13 TeV. The low pile-up environment provides excellent experimental conditions for high-precision measurements of W-boson production. All results agree with theoretical predictions incorporating finite-order QCD corrections up to order α S 2 . [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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