Home > Research > Publications & Outputs > Measurement of the W-boson mass and width with ...

Associated organisational unit

Links

Text available via DOI:

View graph of relations

Measurement of the W-boson mass and width with the ATLAS detector using proton–proton collisions at $$\sqrt{s}=7$$ TeV

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published

Standard

Measurement of the W-boson mass and width with the ATLAS detector using proton–proton collisions at $$\sqrt{s}=7$$ TeV. / The ATLAS collaboration.
In: European Physical Journal C: Particles and Fields, Vol. 84, No. 12, 1309, 21.12.2024.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

APA

Vancouver

The ATLAS collaboration. Measurement of the W-boson mass and width with the ATLAS detector using proton–proton collisions at $$\sqrt{s}=7$$ TeV. European Physical Journal C: Particles and Fields. 2024 Dec 21;84(12):1309. doi: 10.1140/epjc/s10052-024-13190-x

Author

The ATLAS collaboration. / Measurement of the W-boson mass and width with the ATLAS detector using proton–proton collisions at $$\sqrt{s}=7$$ TeV. In: European Physical Journal C: Particles and Fields. 2024 ; Vol. 84, No. 12.

Bibtex

@article{06340d49de3441f6bdf48a590a87bc06,
title = "Measurement of the W-boson mass and width with the ATLAS detector using proton{\^a}€“proton collisions at $$\sqrt{s}=7$$ TeV",
abstract = "AbstractProton{\^a}€“proton collision data recorded by the ATLAS detector in 2011, at a centre-of-mass energy of 7 TeV, have been used for an improved determination of the W-boson mass and a first measurement of the W-boson width at the LHC. Recent fits to the proton parton distribution functions are incorporated in the measurement procedure and an improved statistical method is used to increase the measurement precision. The measurement of the W-boson mass yields a value of $$m_W = 80{,}366.5 \pm 9.8~(\text {stat.}) \pm 12.5~(\text {syst.})$$ m W = 80 , 366.5 {\^A}± 9.8 ( stat. ) {\^A}± 12.5 ( syst. ) MeV $$= 80{,}366.5 \pm 15.9$$ = 80 , 366.5 {\^A}± 15.9 MeV, and the width is measured as $$\Gamma _W = 2202 \pm 32~(\text {stat.}) \pm 34~(\text {syst.})$$ {\^I}“ W = 2202 {\^A}± 32 ( stat. ) {\^A}± 34 ( syst. ) MeV $$= 2202 \pm 47$$ = 2202 {\^A}± 47 MeV. The first uncertainty components are statistical and the second correspond to the experimental and physics-modelling systematic uncertainties. Both results are consistent with the expectation from fits to electroweak precision data. The present measurement of $$m_W$$ m W is compatible with and supersedes the previous measurement performed using the same data.",
author = "{The ATLAS collaboration} and Hanadi Ali and Zainab Alsolami and A.E. Barton and G. Borissov and E.V. Bouhova-Thacker and Ruby Ferguson and James Ferrando and H. Fox and Alina Hagan and R.C.W. Henderson and R.W.L. Jones and V. Kartvelishvili and P.A. Love and E.J. Marshall and L. Meng and D. Muenstermann and N. Ribaric and Elliot Sampson and M. Smizanska and S. Spinali and A.M. Wharton",
year = "2024",
month = dec,
day = "21",
doi = "10.1140/epjc/s10052-024-13190-x",
language = "English",
volume = "84",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "12",

}

RIS

TY - JOUR

T1 - Measurement of the W-boson mass and width with the ATLAS detector using proton–proton collisions at $$\sqrt{s}=7$$ TeV

AU - The ATLAS collaboration

AU - Ali, Hanadi

AU - Alsolami, Zainab

AU - Barton, A.E.

AU - Borissov, G.

AU - Bouhova-Thacker, E.V.

AU - Ferguson, Ruby

AU - Ferrando, James

AU - Fox, H.

AU - Hagan, Alina

AU - Henderson, R.C.W.

AU - Jones, R.W.L.

AU - Kartvelishvili, V.

AU - Love, P.A.

AU - Marshall, E.J.

AU - Meng, L.

AU - Muenstermann, D.

AU - Ribaric, N.

AU - Sampson, Elliot

AU - Smizanska, M.

AU - Spinali, S.

AU - Wharton, A.M.

PY - 2024/12/21

Y1 - 2024/12/21

N2 - AbstractProton–proton collision data recorded by the ATLAS detector in 2011, at a centre-of-mass energy of 7 TeV, have been used for an improved determination of the W-boson mass and a first measurement of the W-boson width at the LHC. Recent fits to the proton parton distribution functions are incorporated in the measurement procedure and an improved statistical method is used to increase the measurement precision. The measurement of the W-boson mass yields a value of $$m_W = 80{,}366.5 \pm 9.8~(\text {stat.}) \pm 12.5~(\text {syst.})$$ m W = 80 , 366.5 ± 9.8 ( stat. ) ± 12.5 ( syst. ) MeV $$= 80{,}366.5 \pm 15.9$$ = 80 , 366.5 ± 15.9 MeV, and the width is measured as $$\Gamma _W = 2202 \pm 32~(\text {stat.}) \pm 34~(\text {syst.})$$ Γ W = 2202 ± 32 ( stat. ) ± 34 ( syst. ) MeV $$= 2202 \pm 47$$ = 2202 ± 47 MeV. The first uncertainty components are statistical and the second correspond to the experimental and physics-modelling systematic uncertainties. Both results are consistent with the expectation from fits to electroweak precision data. The present measurement of $$m_W$$ m W is compatible with and supersedes the previous measurement performed using the same data.

AB - AbstractProton–proton collision data recorded by the ATLAS detector in 2011, at a centre-of-mass energy of 7 TeV, have been used for an improved determination of the W-boson mass and a first measurement of the W-boson width at the LHC. Recent fits to the proton parton distribution functions are incorporated in the measurement procedure and an improved statistical method is used to increase the measurement precision. The measurement of the W-boson mass yields a value of $$m_W = 80{,}366.5 \pm 9.8~(\text {stat.}) \pm 12.5~(\text {syst.})$$ m W = 80 , 366.5 ± 9.8 ( stat. ) ± 12.5 ( syst. ) MeV $$= 80{,}366.5 \pm 15.9$$ = 80 , 366.5 ± 15.9 MeV, and the width is measured as $$\Gamma _W = 2202 \pm 32~(\text {stat.}) \pm 34~(\text {syst.})$$ Γ W = 2202 ± 32 ( stat. ) ± 34 ( syst. ) MeV $$= 2202 \pm 47$$ = 2202 ± 47 MeV. The first uncertainty components are statistical and the second correspond to the experimental and physics-modelling systematic uncertainties. Both results are consistent with the expectation from fits to electroweak precision data. The present measurement of $$m_W$$ m W is compatible with and supersedes the previous measurement performed using the same data.

U2 - 10.1140/epjc/s10052-024-13190-x

DO - 10.1140/epjc/s10052-024-13190-x

M3 - Journal article

VL - 84

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 12

M1 - 1309

ER -