Measurements of W(+/-)Z production cross sections in pp collisions at root s=8 TeV with the ATLAS detector and limits on anomalous gauge boson self-couplings

A. Aad; B. Abbott; J. Abdallah; O. Abdinov; B Abeloos; R. Aben; M. Abolins; O.S. AbouZeid; H. Abramowicz; H. Abreu; R. Abreu; Mogens Dam; Jørn Dines Hansen; Jørgen Beck Hansen; Stefania Xella; Peter Henrik Hansen; Troels Christian Petersen; Almut Maria Pingel; Alejandro Alonso Diaz; James William Monk; Gorm Aske Gram Krohn Galster; Lotte Ansgaard Thomsen; Ask Emil Løvschall-Jensen; Lars Egholm Pedersen

doi:10.1103/PhysRevD.93.092004

Measurements of W(+/-)Z production cross sections in pp collisions at root s=8 TeV with the ATLAS detector and limits on anomalous gauge boson self-couplings

A. Aad, B. Abbott, J. Abdallah, O. Abdinov, B Abeloos, R. Aben, M. Abolins, O.S. AbouZeid, H. Abramowicz, H. Abreu, R. Abreu, Mogens Dam, Jørn Dines Hansen, Jørgen Beck Hansen, Stefania Xella, Peter Henrik Hansen, Troels Christian Petersen, Almut Maria Pingel, Alejandro Alonso Diaz, James William MonkGorm Aske Gram Krohn Galster, Lotte Ansgaard Thomsen, Ask Emil Løvschall-Jensen, Lars Egholm Pedersen

Experimental Particle Physics

78 Citations (Scopus)

52 Downloads (Pure)

Abstract

This paper presents measurements of W±Z production in pp collisions at a center-of-mass energy of 8 TeV. The gauge bosons are reconstructed using their leptonic decay modes into electrons and muons. The data were collected in 2012 by the ATLAS experiment at the Large Hadron Collider and correspond to an integrated luminosity of 20.3 fb-1. The measured inclusive cross section in the detector fiducial region is σW±Z→ ′ν=35.1±0.9(stat)±0.8(sys)±0.8(lumi) fb, for one leptonic decay channel. In comparison, the next-to-leading-order Standard Model expectation is 30.0±2.1 fb. Cross sections for W+Z and W-Z production and their ratio are presented as well as differential cross sections for several kinematic observables. Limits on anomalous triple gauge boson couplings are derived from the transverse mass spectrum of the W±Z system. From the analysis of events with a W and a Z boson associated with two or more forward jets an upper limit at 95% confidence level on the W±Z scattering cross section of 0.63 fb, for each leptonic decay channel, is established, while the Standard Model prediction at next-to-leading order is 0.13±0.01 fb. Limits on anomalous quartic gauge boson couplings are also extracted.

Original language	English
Article number	092004
Journal	Physical Review D (Particles, Fields, Gravitation and Cosmology)
Volume	93
Issue number	9
ISSN	1550-7998
DOIs	https://doi.org/10.1103/PhysRevD.93.092004
Publication status	Published - 13 May 2016

Access to Document

10.1103/PhysRevD.93.092004

PhysRevD.93.092004Final published version, 0.99 MB

Cite this

Aad, A., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., Dam, M., Hansen, J. D., Hansen, J. B., Xella, S., Hansen, P. H., Petersen, T. C., Pingel, A. M., Alonso Diaz, A., ... Pedersen, L. E. (2016). Measurements of W(+/-)Z production cross sections in pp collisions at root s=8 TeV with the ATLAS detector and limits on anomalous gauge boson self-couplings. Physical Review D (Particles, Fields, Gravitation and Cosmology), 93(9), [092004]. https://doi.org/10.1103/PhysRevD.93.092004

Measurements of W(+/-)Z production cross sections in pp collisions at root s=8 TeV with the ATLAS detector and limits on anomalous gauge boson self-couplings. / Aad, A.; Abbott, B.; Abdallah, J. et al.

In: Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol. 93, No. 9, 092004, 13.05.2016.

Research output: Contribution to journal › Journal article › Research › peer-review

Aad, A, Abbott, B, Abdallah, J, Abdinov, O, Abeloos, B, Aben, R, Abolins, M, AbouZeid, OS, Abramowicz, H, Abreu, H, Abreu, R, Dam, M , Hansen, JD , Hansen, JB , Xella, S , Hansen, PH , Petersen, TC, Pingel, AM, Alonso Diaz, A, Monk, JW, Galster, GAGK, Thomsen, LA, Løvschall-Jensen, AE & Pedersen, LE 2016, 'Measurements of W(+/-)Z production cross sections in pp collisions at root s=8 TeV with the ATLAS detector and limits on anomalous gauge boson self-couplings', Physical Review D (Particles, Fields, Gravitation and Cosmology), vol. 93, no. 9, 092004. https://doi.org/10.1103/PhysRevD.93.092004

@article{8b3b1dc38aa9494392a68f76b2eb3e85,

title = "Measurements of W(+/-)Z production cross sections in pp collisions at root s=8 TeV with the ATLAS detector and limits on anomalous gauge boson self-couplings",

abstract = "This paper presents measurements of W±Z production in pp collisions at a center-of-mass energy of 8 TeV. The gauge bosons are reconstructed using their leptonic decay modes into electrons and muons. The data were collected in 2012 by the ATLAS experiment at the Large Hadron Collider and correspond to an integrated luminosity of 20.3 fb-1. The measured inclusive cross section in the detector fiducial region is σW±Z→ ′ν=35.1±0.9(stat)±0.8(sys)±0.8(lumi) fb, for one leptonic decay channel. In comparison, the next-to-leading-order Standard Model expectation is 30.0±2.1 fb. Cross sections for W+Z and W-Z production and their ratio are presented as well as differential cross sections for several kinematic observables. Limits on anomalous triple gauge boson couplings are derived from the transverse mass spectrum of the W±Z system. From the analysis of events with a W and a Z boson associated with two or more forward jets an upper limit at 95% confidence level on the W±Z scattering cross section of 0.63 fb, for each leptonic decay channel, is established, while the Standard Model prediction at next-to-leading order is 0.13±0.01 fb. Limits on anomalous quartic gauge boson couplings are also extracted.",

author = "A. Aad and B. Abbott and J. Abdallah and O. Abdinov and B Abeloos and R. Aben and M. Abolins and O.S. AbouZeid and H. Abramowicz and H. Abreu and R. Abreu 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 Pingel, {Almut Maria} and {Alonso Diaz}, Alejandro and Monk, {James William} and Galster, {Gorm Aske Gram Krohn} and Thomsen, {Lotte Ansgaard} and L{\o}vschall-Jensen, {Ask Emil} and Pedersen, {Lars Egholm}",

year = "2016",

month = may,

day = "13",

doi = "10.1103/PhysRevD.93.092004",

language = "English",

volume = "93",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "9",

}

TY - JOUR

T1 - Measurements of W(+/-)Z production cross sections in pp collisions at root s=8 TeV with the ATLAS detector and limits on anomalous gauge boson self-couplings

AU - Aad, A.

AU - Abbott, B.

AU - Abdallah, J.

AU - Abdinov, O.

AU - Abeloos, B

AU - Aben, R.

AU - Abolins, M.

AU - AbouZeid, O.S.

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abreu, R.

AU - Dam, Mogens

AU - Hansen, Jørn Dines

AU - Hansen, Jørgen Beck

AU - Xella, Stefania

AU - Hansen, Peter Henrik

AU - Petersen, Troels Christian

AU - Pingel, Almut Maria

AU - Alonso Diaz, Alejandro

AU - Monk, James William

AU - Galster, Gorm Aske Gram Krohn

AU - Thomsen, Lotte Ansgaard

AU - Løvschall-Jensen, Ask Emil

AU - Pedersen, Lars Egholm

PY - 2016/5/13

Y1 - 2016/5/13

N2 - This paper presents measurements of W±Z production in pp collisions at a center-of-mass energy of 8 TeV. The gauge bosons are reconstructed using their leptonic decay modes into electrons and muons. The data were collected in 2012 by the ATLAS experiment at the Large Hadron Collider and correspond to an integrated luminosity of 20.3 fb-1. The measured inclusive cross section in the detector fiducial region is σW±Z→ ′ν=35.1±0.9(stat)±0.8(sys)±0.8(lumi) fb, for one leptonic decay channel. In comparison, the next-to-leading-order Standard Model expectation is 30.0±2.1 fb. Cross sections for W+Z and W-Z production and their ratio are presented as well as differential cross sections for several kinematic observables. Limits on anomalous triple gauge boson couplings are derived from the transverse mass spectrum of the W±Z system. From the analysis of events with a W and a Z boson associated with two or more forward jets an upper limit at 95% confidence level on the W±Z scattering cross section of 0.63 fb, for each leptonic decay channel, is established, while the Standard Model prediction at next-to-leading order is 0.13±0.01 fb. Limits on anomalous quartic gauge boson couplings are also extracted.

AB - This paper presents measurements of W±Z production in pp collisions at a center-of-mass energy of 8 TeV. The gauge bosons are reconstructed using their leptonic decay modes into electrons and muons. The data were collected in 2012 by the ATLAS experiment at the Large Hadron Collider and correspond to an integrated luminosity of 20.3 fb-1. The measured inclusive cross section in the detector fiducial region is σW±Z→ ′ν=35.1±0.9(stat)±0.8(sys)±0.8(lumi) fb, for one leptonic decay channel. In comparison, the next-to-leading-order Standard Model expectation is 30.0±2.1 fb. Cross sections for W+Z and W-Z production and their ratio are presented as well as differential cross sections for several kinematic observables. Limits on anomalous triple gauge boson couplings are derived from the transverse mass spectrum of the W±Z system. From the analysis of events with a W and a Z boson associated with two or more forward jets an upper limit at 95% confidence level on the W±Z scattering cross section of 0.63 fb, for each leptonic decay channel, is established, while the Standard Model prediction at next-to-leading order is 0.13±0.01 fb. Limits on anomalous quartic gauge boson couplings are also extracted.

U2 - 10.1103/PhysRevD.93.092004

DO - 10.1103/PhysRevD.93.092004

M3 - Journal article

SN - 2470-0010

VL - 93

JO - Physical Review D

JF - Physical Review D

IS - 9

M1 - 092004

ER -

Measurements of W(+/-)Z production cross sections in pp collisions at root s=8 TeV with the ATLAS detector and limits on anomalous gauge boson self-couplings

Abstract

Access to Document

Fingerprint

Cite this