Measurement of the $W$ mass and width in $e^+ e^-$ collisions at 189-GeV

Physics

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https://doi.org/10.1007/s100520000485
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Measurement of the $W$ mass and width in $e^+ e^-$ collisions at 189-GeV. / ALEPH Collaboration, The; Barate, R.; Bowdery, Christopher et al.
In: European Physical Journal C: Particles and Fields, Vol. 17, No. 2, 10.2000, p. 241-261.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

ALEPH Collaboration, T, Barate, R, Bowdery, C , Finch, A, Foster, F, Hughes, G , Jones, R & Smizanska, M 2000, 'Measurement of the $W$ mass and width in $e^+ e^-$ collisions at 189-GeV', European Physical Journal C: Particles and Fields, vol. 17, no. 2, pp. 241-261. https://doi.org/10.1007/s100520000485

APA

ALEPH Collaboration, T., Barate, R., Bowdery, C., Finch, A., Foster, F., Hughes, G., Jones, R., & Smizanska, M. (2000). Measurement of the $W$ mass and width in $e^+ e^-$ collisions at 189-GeV. European Physical Journal C: Particles and Fields, 17(2), 241-261. https://doi.org/10.1007/s100520000485

Vancouver

ALEPH Collaboration T, Barate R, Bowdery C , Finch A, Foster F, Hughes G et al. Measurement of the $W$ mass and width in $e^+ e^-$ collisions at 189-GeV. European Physical Journal C: Particles and Fields. 2000 Oct;17(2):241-261. doi: 10.1007/s100520000485

Author

ALEPH Collaboration, The ; Barate, R. ; Bowdery, Christopher et al. / Measurement of the $W$ mass and width in $e^+ e^-$ collisions at 189-GeV. In: European Physical Journal C: Particles and Fields. 2000 ; Vol. 17, No. 2. pp. 241-261.

Bibtex

@article{a7941ca6958341bbb09ab8ee72a8375f,

title = "Measurement of the $W$ mass and width in $e^+ e^-$ collisions at 189-GeV",

abstract = "The mass of the W boson is determined in e + e − collisions at LEP by the direct reconstruction of W decays in WW→qq¯qq¯ and WW→ℓνqq¯ events, supplemented by measurements using the kinematic properties of the leptons in the \mathrm{W}\mathrm{W}\rightarrow\mbox{\ell\nu }\mbox{$\ell\nu $} decay channel. The main sample of W pairs is selected from an integrated luminosity of 174 pb −1 collected with the ALEPH detector in 1998 at a centre-of-mass energy of 188.63 GeV. The combined result from all channels ismW=80.432±0.072(stat.)±0.041(syst.)±0.019(FSI)±0.017(LEP)GeV/c2,where FSI represents the possible effects of final state interactions in the qq¯qq¯ channel. In a second two-parameter fit to the qq¯qq¯ , \mathrmeνqq¯ and μνqq¯ channels, where the W mass and width are decoupled, the average W width is found to be { 2.24±0.20(stat.)±0.13(syst.) GeV/ c2 }, consistent with the Standard Model prediction. The combination of the mass measurement presented in this paper together with those derived previously from the W pair cross section at 161 and 172 GeV and direct reconstruction at 172 and 183 GeV givesmW=80.418±0.061(stat.)±0.040(syst.)±0.019(FSI)±0.017(LEP)GeV/c2.",

author = "{ALEPH Collaboration}, The and R. Barate and Christopher Bowdery and Alexander Finch and Frank Foster and Gareth Hughes and Roger Jones and Maria Smizanska",

year = "2000",

month = oct,

doi = "10.1007/s100520000485",

language = "English",

volume = "17",

pages = "241--261",

journal = "European Physical Journal C: Particles and Fields",

issn = "1434-6044",

publisher = "SPRINGER",

number = "2",

}

RIS

TY - JOUR

T1 - Measurement of the $W$ mass and width in $e^+ e^-$ collisions at 189-GeV

AU - ALEPH Collaboration, The

AU - Barate, R.

AU - Bowdery, Christopher

AU - Finch, Alexander

AU - Foster, Frank

AU - Hughes, Gareth

AU - Jones, Roger

AU - Smizanska, Maria

PY - 2000/10

Y1 - 2000/10

N2 - The mass of the W boson is determined in e + e − collisions at LEP by the direct reconstruction of W decays in WW→qq¯qq¯ and WW→ℓνqq¯ events, supplemented by measurements using the kinematic properties of the leptons in the \mathrm{W}\mathrm{W}\rightarrow\mbox{\ell\nu }\mbox{$\ell\nu $} decay channel. The main sample of W pairs is selected from an integrated luminosity of 174 pb −1 collected with the ALEPH detector in 1998 at a centre-of-mass energy of 188.63 GeV. The combined result from all channels ismW=80.432±0.072(stat.)±0.041(syst.)±0.019(FSI)±0.017(LEP)GeV/c2,where FSI represents the possible effects of final state interactions in the qq¯qq¯ channel. In a second two-parameter fit to the qq¯qq¯ , \mathrmeνqq¯ and μνqq¯ channels, where the W mass and width are decoupled, the average W width is found to be { 2.24±0.20(stat.)±0.13(syst.) GeV/ c2 }, consistent with the Standard Model prediction. The combination of the mass measurement presented in this paper together with those derived previously from the W pair cross section at 161 and 172 GeV and direct reconstruction at 172 and 183 GeV givesmW=80.418±0.061(stat.)±0.040(syst.)±0.019(FSI)±0.017(LEP)GeV/c2.

AB - The mass of the W boson is determined in e + e − collisions at LEP by the direct reconstruction of W decays in WW→qq¯qq¯ and WW→ℓνqq¯ events, supplemented by measurements using the kinematic properties of the leptons in the \mathrm{W}\mathrm{W}\rightarrow\mbox{\ell\nu }\mbox{$\ell\nu $} decay channel. The main sample of W pairs is selected from an integrated luminosity of 174 pb −1 collected with the ALEPH detector in 1998 at a centre-of-mass energy of 188.63 GeV. The combined result from all channels ismW=80.432±0.072(stat.)±0.041(syst.)±0.019(FSI)±0.017(LEP)GeV/c2,where FSI represents the possible effects of final state interactions in the qq¯qq¯ channel. In a second two-parameter fit to the qq¯qq¯ , \mathrmeνqq¯ and μνqq¯ channels, where the W mass and width are decoupled, the average W width is found to be { 2.24±0.20(stat.)±0.13(syst.) GeV/ c2 }, consistent with the Standard Model prediction. The combination of the mass measurement presented in this paper together with those derived previously from the W pair cross section at 161 and 172 GeV and direct reconstruction at 172 and 183 GeV givesmW=80.418±0.061(stat.)±0.040(syst.)±0.019(FSI)±0.017(LEP)GeV/c2.

U2 - 10.1007/s100520000485

DO - 10.1007/s100520000485

M3 - Journal article

VL - 17

SP - 241

EP - 261

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 2

ER -

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