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W+W− production cross section and W branching fractions in e+e− collisions at 189 GeV

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W+W− production cross section and W branching fractions in e+e− collisions at 189 GeV. / OPAL Collaboration.
In: Physics Letters B, Vol. 249-265, No. 17, 16.11.2000, p. 249-265.

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

Harvard

OPAL Collaboration 2000, 'W+W− production cross section and W branching fractions in e+e− collisions at 189 GeV', Physics Letters B, vol. 249-265, no. 17, pp. 249-265. https://doi.org/10.1016/S0370-2693(00)01085-6

APA

OPAL Collaboration (2000). W+W− production cross section and W branching fractions in e+e− collisions at 189 GeV. Physics Letters B, 249-265(17), 249-265. https://doi.org/10.1016/S0370-2693(00)01085-6

Vancouver

OPAL Collaboration. W+W− production cross section and W branching fractions in e+e− collisions at 189 GeV. Physics Letters B. 2000 Nov 16;249-265(17):249-265. doi: 10.1016/S0370-2693(00)01085-6

Author

OPAL Collaboration. / W+W− production cross section and W branching fractions in e+e− collisions at 189 GeV. In: Physics Letters B. 2000 ; Vol. 249-265, No. 17. pp. 249-265.

Bibtex

@article{68cd0829038042af9955760a0d1580ae,
title = "W+W− production cross section and W branching fractions in e+e− collisions at 189 GeV",
abstract = "From a data sample of 183 pb−1 recorded at a center-of-mass energy of √s = 189 GeV with the OPAL detector at LEP, 3068 W-pair candidate events are selected. Assuming Standard Model W boson decay branching fractions, the W-pair production cross section is measured to be σWW = 16.30 ± 0.34(stat.) ± 0.18(syst.) pb. When combined with previous OPAL measurements, the W boson branching fraction to hadrons is determined to be 68.32 ± 0.61(stat.) ± 0.28(syst.)% assuminglepton universality. These results are consistent with Standard Model expectations. ",
author = "Vakhtang Kartvelishvili and {OPAL Collaboration}",
year = "2000",
month = nov,
day = "16",
doi = "10.1016/S0370-2693(00)01085-6",
language = "English",
volume = "249-265",
pages = "249--265",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",
number = "17",

}

RIS

TY - JOUR

T1 - W+W− production cross section and W branching fractions in e+e− collisions at 189 GeV

AU - Kartvelishvili, Vakhtang

AU - OPAL Collaboration

PY - 2000/11/16

Y1 - 2000/11/16

N2 - From a data sample of 183 pb−1 recorded at a center-of-mass energy of √s = 189 GeV with the OPAL detector at LEP, 3068 W-pair candidate events are selected. Assuming Standard Model W boson decay branching fractions, the W-pair production cross section is measured to be σWW = 16.30 ± 0.34(stat.) ± 0.18(syst.) pb. When combined with previous OPAL measurements, the W boson branching fraction to hadrons is determined to be 68.32 ± 0.61(stat.) ± 0.28(syst.)% assuminglepton universality. These results are consistent with Standard Model expectations.

AB - From a data sample of 183 pb−1 recorded at a center-of-mass energy of √s = 189 GeV with the OPAL detector at LEP, 3068 W-pair candidate events are selected. Assuming Standard Model W boson decay branching fractions, the W-pair production cross section is measured to be σWW = 16.30 ± 0.34(stat.) ± 0.18(syst.) pb. When combined with previous OPAL measurements, the W boson branching fraction to hadrons is determined to be 68.32 ± 0.61(stat.) ± 0.28(syst.)% assuminglepton universality. These results are consistent with Standard Model expectations.

U2 - 10.1016/S0370-2693(00)01085-6

DO - 10.1016/S0370-2693(00)01085-6

M3 - Journal article

VL - 249-265

SP - 249

EP - 265

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

IS - 17

ER -