Precision measurement and interpretation of inclusive W+, W- and Z/gamma* production cross sections with the ATLAS detector

M. Aaboud; G. Aad; B. Abbott; J. Abdallah; O. Abdinov; B Abeloos; O.S. AbouZeid; NL Abraham; H. Abramowicz; H. Abreu; R. Abreu; Y. Abulaiti; B.S. Acharya; Shin-ichi Adachi; Mogens Dam; Jørn Dines Hansen; Jørgen Beck Hansen; Stefania Xella; Peter Henrik Hansen; Troels Christian Petersen; Alejandro Alonso Diaz; James William Monk; Lars Egholm Pedersen; Graig Wiglesworth; Geert-Jan Besjes; Lotte Ansgaard Thomsen; Ask Emil Løvschall-Jensen; Gorm Aske Gram Krohn Galster; Simon Holm Stark; Fabian Alexander Jürgen Thiele; Flavia de Almeida Dias; Milena Bajic; H. Arnold; John Barr; H. Zhu

doi:10.1140/epjc/s10052-017-4911-9

Precision measurement and interpretation of inclusive W+, W- and Z/gamma* production cross sections with the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, J. Abdallah, O. Abdinov, B Abeloos, O.S. AbouZeid, NL Abraham, H. Abramowicz, H. Abreu, R. Abreu, Y. Abulaiti, B.S. Acharya, Shin-ichi Adachi, Mogens Dam, Jørn Dines Hansen, Jørgen Beck Hansen, Stefania Xella, Peter Henrik Hansen, Troels Christian PetersenAlejandro Alonso Diaz, James William Monk, Lars Egholm Pedersen, Graig Wiglesworth, Geert-Jan Besjes, Lotte Ansgaard Thomsen, Ask Emil Løvschall-Jensen, Gorm Aske Gram Krohn Galster, Simon Holm Stark, Fabian Alexander Jürgen Thiele, Flavia de Almeida Dias, Milena Bajic, H. Arnold, John Barr, H. Zhu

Experimental Particle Physics

96 Citations (Scopus)

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Abstract

High-precision measurements by the ATLAS Collaboration are presented of inclusive W⁺→ ℓ⁺ν, W^-→ ℓ^-ν¯ and Z/ γ^∗→ ℓℓ (ℓ= e, μ) Drell–Yan production cross sections at the LHC. The data were collected in proton–proton collisions at s=7TeV with an integrated luminosity of 4.6fb-1. Differential W⁺ and W^- cross sections are measured in a lepton pseudorapidity range | η_ℓ| < 2.5. Differential Z/ γ^∗ cross sections are measured as a function of the absolute dilepton rapidity, for | y_ℓ _ℓ| < 3.6 , for three intervals of dilepton mass, m_ℓ _ℓ, extending from 46 to 150GeV. The integrated and differential electron- and muon-channel cross sections are combined and compared to theoretical predictions using recent sets of parton distribution functions. The data, together with the final inclusive e^±p scattering cross-section data from H1 and ZEUS, are interpreted in a next-to-next-to-leading-order QCD analysis, and a new set of parton distribution functions, ATLAS-epWZ16, is obtained. The ratio of strange-to-light sea-quark densities in the proton is determined more accurately than in previous determinations based on collider data only, and is established to be close to unity in the sensitivity range of the data. A new measurement of the CKM matrix element | V_c _s| is also provided.

Original language	English
Article number	367
Journal	European Physical Journal C
Volume	77
Issue number	6
ISSN	1434-6044
DOIs	https://doi.org/10.1140/epjc/s10052-017-4911-9
Publication status	Published - 1 Jun 2017

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Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., AbouZeid, O. S., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., ... Zhu, H. (2017). Precision measurement and interpretation of inclusive W+, W- and Z/gamma* production cross sections with the ATLAS detector. European Physical Journal C, 77(6), Article 367. https://doi.org/10.1140/epjc/s10052-017-4911-9

Aaboud, M, Aad, G, Abbott, B, Abdallah, J, Abdinov, O, Abeloos, B, AbouZeid, OS, Abraham, NL, Abramowicz, H, Abreu, H, Abreu, R, Abulaiti, Y, Acharya, BS, Adachi, S, Dam, M , Hansen, JD , Hansen, JB , Xella, S , Hansen, PH , Petersen, TC, Alonso Diaz, A, Monk, JW, Pedersen, LE, Wiglesworth, G, Besjes, G-J, Thomsen, LA, Løvschall-Jensen, AE, Galster, GAGK, Stark, SH, Thiele, FAJ, de Almeida Dias, F, Bajic, M, Arnold, H, Barr, J & Zhu, H 2017, 'Precision measurement and interpretation of inclusive W+, W- and Z/gamma* production cross sections with the ATLAS detector', European Physical Journal C, vol. 77, no. 6, 367. https://doi.org/10.1140/epjc/s10052-017-4911-9

@article{972168df1c014412bb50402ddde02814,

title = "Precision measurement and interpretation of inclusive W+, W- and Z/gamma* production cross sections with the ATLAS detector",

abstract = "High-precision measurements by the ATLAS Collaboration are presented of inclusive W+→ ℓ+ν, W-→ ℓ-ν¯ and Z/ γ∗→ ℓℓ (ℓ= e, μ) Drell–Yan production cross sections at the LHC. The data were collected in proton–proton collisions at s=7TeV with an integrated luminosity of 4.6fb-1. Differential W+ and W- cross sections are measured in a lepton pseudorapidity range | ηℓ| < 2.5. Differential Z/ γ∗ cross sections are measured as a function of the absolute dilepton rapidity, for | yℓ ℓ| < 3.6 , for three intervals of dilepton mass, mℓ ℓ, extending from 46 to 150GeV. The integrated and differential electron- and muon-channel cross sections are combined and compared to theoretical predictions using recent sets of parton distribution functions. The data, together with the final inclusive e±p scattering cross-section data from H1 and ZEUS, are interpreted in a next-to-next-to-leading-order QCD analysis, and a new set of parton distribution functions, ATLAS-epWZ16, is obtained. The ratio of strange-to-light sea-quark densities in the proton is determined more accurately than in previous determinations based on collider data only, and is established to be close to unity in the sensitivity range of the data. A new measurement of the CKM matrix element | Vc s| is also provided.",

author = "M. Aaboud and G. Aad and B. Abbott and J. Abdallah and O. Abdinov and B Abeloos and O.S. AbouZeid and NL Abraham and H. Abramowicz and H. Abreu and R. Abreu and Y. Abulaiti and B.S. Acharya and Shin-ichi Adachi and Mogens Dam and Hansen, {J{\o}rn Dines} and Hansen, {J{\o}rgen Beck} and Stefania Xella and Hansen, {Peter Henrik} and Petersen, {Troels Christian} and {Alonso Diaz}, Alejandro and Monk, {James William} and Pedersen, {Lars Egholm} and Graig Wiglesworth and Geert-Jan Besjes and Thomsen, {Lotte Ansgaard} and L{\o}vschall-Jensen, {Ask Emil} and Galster, {Gorm Aske Gram Krohn} and Stark, {Simon Holm} and Thiele, {Fabian Alexander J{\"u}rgen} and {de Almeida Dias}, Flavia and Milena Bajic and H. Arnold and John Barr and H. Zhu",

year = "2017",

month = jun,

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doi = "10.1140/epjc/s10052-017-4911-9",

language = "English",

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journal = "European Physical Journal C",

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TY - JOUR

T1 - Precision measurement and interpretation of inclusive W+, W- and Z/gamma* production cross sections with the ATLAS detector

AU - Aaboud, M.

AU - Aad, G.

AU - Abbott, B.

AU - Abdallah, J.

AU - Abdinov, O.

AU - Abeloos, B

AU - AbouZeid, O.S.

AU - Abraham, NL

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abreu, R.

AU - Abulaiti, Y.

AU - Acharya, B.S.

AU - Adachi, Shin-ichi

AU - Dam, Mogens

AU - Hansen, Jørn Dines

AU - Hansen, Jørgen Beck

AU - Xella, Stefania

AU - Hansen, Peter Henrik

AU - Petersen, Troels Christian

AU - Alonso Diaz, Alejandro

AU - Monk, James William

AU - Pedersen, Lars Egholm

AU - Wiglesworth, Graig

AU - Besjes, Geert-Jan

AU - Thomsen, Lotte Ansgaard

AU - Løvschall-Jensen, Ask Emil

AU - Galster, Gorm Aske Gram Krohn

AU - Stark, Simon Holm

AU - Thiele, Fabian Alexander Jürgen

AU - de Almeida Dias, Flavia

AU - Bajic, Milena

AU - Arnold, H.

AU - Barr, John

AU - Zhu, H.

PY - 2017/6/1

Y1 - 2017/6/1

N2 - High-precision measurements by the ATLAS Collaboration are presented of inclusive W+→ ℓ+ν, W-→ ℓ-ν¯ and Z/ γ∗→ ℓℓ (ℓ= e, μ) Drell–Yan production cross sections at the LHC. The data were collected in proton–proton collisions at s=7TeV with an integrated luminosity of 4.6fb-1. Differential W+ and W- cross sections are measured in a lepton pseudorapidity range | ηℓ| < 2.5. Differential Z/ γ∗ cross sections are measured as a function of the absolute dilepton rapidity, for | yℓ ℓ| < 3.6 , for three intervals of dilepton mass, mℓ ℓ, extending from 46 to 150GeV. The integrated and differential electron- and muon-channel cross sections are combined and compared to theoretical predictions using recent sets of parton distribution functions. The data, together with the final inclusive e±p scattering cross-section data from H1 and ZEUS, are interpreted in a next-to-next-to-leading-order QCD analysis, and a new set of parton distribution functions, ATLAS-epWZ16, is obtained. The ratio of strange-to-light sea-quark densities in the proton is determined more accurately than in previous determinations based on collider data only, and is established to be close to unity in the sensitivity range of the data. A new measurement of the CKM matrix element | Vc s| is also provided.

AB - High-precision measurements by the ATLAS Collaboration are presented of inclusive W+→ ℓ+ν, W-→ ℓ-ν¯ and Z/ γ∗→ ℓℓ (ℓ= e, μ) Drell–Yan production cross sections at the LHC. The data were collected in proton–proton collisions at s=7TeV with an integrated luminosity of 4.6fb-1. Differential W+ and W- cross sections are measured in a lepton pseudorapidity range | ηℓ| < 2.5. Differential Z/ γ∗ cross sections are measured as a function of the absolute dilepton rapidity, for | yℓ ℓ| < 3.6 , for three intervals of dilepton mass, mℓ ℓ, extending from 46 to 150GeV. The integrated and differential electron- and muon-channel cross sections are combined and compared to theoretical predictions using recent sets of parton distribution functions. The data, together with the final inclusive e±p scattering cross-section data from H1 and ZEUS, are interpreted in a next-to-next-to-leading-order QCD analysis, and a new set of parton distribution functions, ATLAS-epWZ16, is obtained. The ratio of strange-to-light sea-quark densities in the proton is determined more accurately than in previous determinations based on collider data only, and is established to be close to unity in the sensitivity range of the data. A new measurement of the CKM matrix element | Vc s| is also provided.

U2 - 10.1140/epjc/s10052-017-4911-9

DO - 10.1140/epjc/s10052-017-4911-9

M3 - Journal article

C2 - 30215626

SN - 1434-6044

VL - 77

JO - European Physical Journal C

JF - European Physical Journal C

IS - 6

M1 - 367

ER -

Precision measurement and interpretation of inclusive W+, W- and Z/gamma* production cross sections with the ATLAS detector

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