Measurement of differential cross sections and W+/W- cross-section ratios for W boson production in association with jets at root s=8 TeV with the ATLAS detector

M. Aaboud; G. Aad; B. Abbott; O. Abdinov; B Abeloos; S.H. Abidi; Ossama Sherif Alexander Abouzeid; NL Abraham; H. Abramowicz; H. Abreu; R. Abreu; Y. Abulaiti; B.S. Acharya; Sosuke Adachi; L. Adamczyk; J  Adelman; M. Adersberger; T. Adye; A. A. Affolder; Y.  Afik; C. Agheorghiesei; J. A. Aguilar-Saavedra; S. P. Ahlen; F. Ahmadov; G. Aielli; Jørn Dines Hansen; Flavia de Almeida Dias; Stefania Xella; Jørgen Beck Hansen; Mogens Dam; Peter Henrik Hansen; Troels Christian Petersen; Alejandro Alonso Diaz; James William Monk; Graig Wiglesworth; Gorm Aske Gram Krohn Galster; Geert-Jan Besjes; Simon Holm Stark; Milena Bajic; Fabian Alexander Jürgen Thiele

doi:10.1007/JHEP05(2018)077

Measurement of differential cross sections and W+/W- cross-section ratios for W boson production in association with jets at root s=8 TeV with the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, O. Abdinov, B Abeloos, S.H. Abidi, Ossama Sherif Alexander Abouzeid, NL Abraham, H. Abramowicz, H. Abreu, R. Abreu, Y. Abulaiti, B.S. Acharya, Sosuke Adachi, L. Adamczyk, J Adelman, M. Adersberger, T. Adye, A. A. Affolder, Y. AfikC. Agheorghiesei, J. A. Aguilar-Saavedra, S. P. Ahlen, F. Ahmadov, G. Aielli, Jørn Dines Hansen, Flavia de Almeida Dias, Stefania Xella, Jørgen Beck Hansen, Mogens Dam, Peter Henrik Hansen, Troels Christian Petersen, Alejandro Alonso Diaz, James William Monk, Graig Wiglesworth, Gorm Aske Gram Krohn Galster, Geert-Jan Besjes, Simon Holm Stark, Milena Bajic, Fabian Alexander Jürgen Thiele

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Abstract

This paper presents a measurement of the W boson production cross section and the W⁺/W⁻ cross-section ratio, both in association with jets, in proton-proton collisions at s=8 TeV with the ATLAS experiment at the Large Hadron Collider. The measurement is performed in final states containing one electron and missing transverse momentum using data corresponding to an integrated luminosity of 20.2 fb⁻¹. Differential cross sections for events with at least one or two jets are presented for a range of observables, including jet transverse momenta and rapidities, the scalar sum of transverse momenta of the visible particles and the missing transverse momentum in the event, and the transverse momentum of the W boson. For a subset of the observables, the differential cross sections of positively and negatively charged W bosons are measured separately. In the cross-section ratio of W⁺/W⁻ the dominant systematic uncertainties cancel out, improving the measurement precision by up to a factor of nine. The observables and ratios selected for this paper provide valuable input for the up quark, down quark, and gluon parton distribution functions of the proton.[Figure not available: see fulltext.].

Originalsprog	Engelsk
Artikelnummer	077
Tidsskrift	Journal of High Energy Physics
Vol/bind	2018
Udgave nummer	5
ISSN	1126-6708
DOI	https://doi.org/10.1007/JHEP05(2018)077
Status	Udgivet - 1 maj 2018

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10.1007/JHEP05(2018)077Licens: CC BY

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Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S. H., Abouzeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adye, T., Affolder, A. A., ... Thiele, F. A. J. (2018). Measurement of differential cross sections and W+/W- cross-section ratios for W boson production in association with jets at root s=8 TeV with the ATLAS detector. Journal of High Energy Physics, 2018(5), [077]. https://doi.org/10.1007/JHEP05(2018)077

Aaboud, M, Aad, G, Abbott, B, Abdinov, O, Abeloos, B, Abidi, SH, Abouzeid, OSA, Abraham, NL, Abramowicz, H, Abreu, H, Abreu, R, Abulaiti, Y, Acharya, BS, Adachi, S, Adamczyk, L, Adelman, J, Adersberger, M, Adye, T, Affolder, AA, Afik, Y, Agheorghiesei, C, Aguilar-Saavedra, JA, Ahlen, SP, Ahmadov, F, Aielli, G, Hansen, JD, de Almeida Dias, F, Xella, S , Hansen, JB , Dam, M , Hansen, PH , Petersen, TC, Alonso Diaz, A, Monk, JW, Wiglesworth, G, Galster, GAGK, Besjes, G-J, Stark, SH, Bajic, M & Thiele, FAJ 2018, 'Measurement of differential cross sections and W+/W- cross-section ratios for W boson production in association with jets at root s=8 TeV with the ATLAS detector', Journal of High Energy Physics, bind 2018, nr. 5, 077. https://doi.org/10.1007/JHEP05(2018)077

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title = "Measurement of differential cross sections and W+/W- cross-section ratios for W boson production in association with jets at root s=8 TeV with the ATLAS detector",

abstract = "This paper presents a measurement of the W boson production cross section and the W+/W− cross-section ratio, both in association with jets, in proton-proton collisions at s=8 TeV with the ATLAS experiment at the Large Hadron Collider. The measurement is performed in final states containing one electron and missing transverse momentum using data corresponding to an integrated luminosity of 20.2 fb−1. Differential cross sections for events with at least one or two jets are presented for a range of observables, including jet transverse momenta and rapidities, the scalar sum of transverse momenta of the visible particles and the missing transverse momentum in the event, and the transverse momentum of the W boson. For a subset of the observables, the differential cross sections of positively and negatively charged W bosons are measured separately. In the cross-section ratio of W+/W− the dominant systematic uncertainties cancel out, improving the measurement precision by up to a factor of nine. The observables and ratios selected for this paper provide valuable input for the up quark, down quark, and gluon parton distribution functions of the proton.[Figure not available: see fulltext.].",

author = "M. Aaboud and G. Aad and B. Abbott and O. Abdinov and B Abeloos and S.H. Abidi and Abouzeid, {Ossama Sherif Alexander} and NL Abraham and H. Abramowicz and H. Abreu and R. Abreu and Y. Abulaiti and B.S. Acharya and Sosuke Adachi and L. Adamczyk and J Adelman and M. Adersberger and T. Adye and Affolder, {A. A.} and Y. Afik and C. Agheorghiesei and Aguilar-Saavedra, {J. A.} and Ahlen, {S. P.} and F. Ahmadov and G. Aielli and Hansen, {J{\o}rn Dines} and {de Almeida Dias}, Flavia and Stefania Xella and Hansen, {J{\o}rgen Beck} and Mogens Dam and Hansen, {Peter Henrik} and Petersen, {Troels Christian} and {Alonso Diaz}, Alejandro and Monk, {James William} and Graig Wiglesworth and Galster, {Gorm Aske Gram Krohn} and Geert-Jan Besjes and Stark, {Simon Holm} and Milena Bajic and Thiele, {Fabian Alexander J{\"u}rgen}",

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doi = "10.1007/JHEP05(2018)077",

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T1 - Measurement of differential cross sections and W+/W- cross-section ratios for W boson production in association with jets at root s=8 TeV with the ATLAS detector

AU - Aaboud, M.

AU - Aad, G.

AU - Abbott, B.

AU - Abdinov, O.

AU - Abeloos, B

AU - Abidi, S.H.

AU - Abouzeid, Ossama Sherif Alexander

AU - Abraham, NL

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abreu, R.

AU - Abulaiti, Y.

AU - Acharya, B.S.

AU - Adachi, Sosuke

AU - Adamczyk, L.

AU - Adelman, J

AU - Adersberger, M.

AU - Adye, T.

AU - Affolder, A. A.

AU - Afik, Y.

AU - Agheorghiesei, C.

AU - Aguilar-Saavedra, J. A.

AU - Ahlen, S. P.

AU - Ahmadov, F.

AU - Aielli, G.

AU - Hansen, Jørn Dines

AU - de Almeida Dias, Flavia

AU - Xella, Stefania

AU - Hansen, Jørgen Beck

AU - Dam, Mogens

AU - Hansen, Peter Henrik

AU - Petersen, Troels Christian

AU - Alonso Diaz, Alejandro

AU - Monk, James William

AU - Wiglesworth, Graig

AU - Galster, Gorm Aske Gram Krohn

AU - Besjes, Geert-Jan

AU - Stark, Simon Holm

AU - Bajic, Milena

AU - Thiele, Fabian Alexander Jürgen

PY - 2018/5/1

Y1 - 2018/5/1

N2 - This paper presents a measurement of the W boson production cross section and the W+/W− cross-section ratio, both in association with jets, in proton-proton collisions at s=8 TeV with the ATLAS experiment at the Large Hadron Collider. The measurement is performed in final states containing one electron and missing transverse momentum using data corresponding to an integrated luminosity of 20.2 fb−1. Differential cross sections for events with at least one or two jets are presented for a range of observables, including jet transverse momenta and rapidities, the scalar sum of transverse momenta of the visible particles and the missing transverse momentum in the event, and the transverse momentum of the W boson. For a subset of the observables, the differential cross sections of positively and negatively charged W bosons are measured separately. In the cross-section ratio of W+/W− the dominant systematic uncertainties cancel out, improving the measurement precision by up to a factor of nine. The observables and ratios selected for this paper provide valuable input for the up quark, down quark, and gluon parton distribution functions of the proton.[Figure not available: see fulltext.].

AB - This paper presents a measurement of the W boson production cross section and the W+/W− cross-section ratio, both in association with jets, in proton-proton collisions at s=8 TeV with the ATLAS experiment at the Large Hadron Collider. The measurement is performed in final states containing one electron and missing transverse momentum using data corresponding to an integrated luminosity of 20.2 fb−1. Differential cross sections for events with at least one or two jets are presented for a range of observables, including jet transverse momenta and rapidities, the scalar sum of transverse momenta of the visible particles and the missing transverse momentum in the event, and the transverse momentum of the W boson. For a subset of the observables, the differential cross sections of positively and negatively charged W bosons are measured separately. In the cross-section ratio of W+/W− the dominant systematic uncertainties cancel out, improving the measurement precision by up to a factor of nine. The observables and ratios selected for this paper provide valuable input for the up quark, down quark, and gluon parton distribution functions of the proton.[Figure not available: see fulltext.].

U2 - 10.1007/JHEP05(2018)077

DO - 10.1007/JHEP05(2018)077

M3 - Journal article

SN - 1126-6708

VL - 2018

JO - Journal of High Energy Physics (Online)

JF - Journal of High Energy Physics (Online)

IS - 5

M1 - 077

ER -

Measurement of differential cross sections and W+/W- cross-section ratios for W boson production in association with jets at root s=8 TeV with the ATLAS detector

Abstract

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