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Tests of the standard model and constraints on new physics from measurements of fermion-pair production at 189 GeV at LEP

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

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Standard

Tests of the standard model and constraints on new physics from measurements of fermion-pair production at 189 GeV at LEP. / OPAL Collaboration.
In: European Physical Journal C: Particles and Fields, Vol. 13, No. 4, 04.2000, p. 553-572.

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

Harvard

OPAL Collaboration 2000, 'Tests of the standard model and constraints on new physics from measurements of fermion-pair production at 189 GeV at LEP', European Physical Journal C: Particles and Fields, vol. 13, no. 4, pp. 553-572. https://doi.org/10.1007/s100520000315

APA

OPAL Collaboration (2000). Tests of the standard model and constraints on new physics from measurements of fermion-pair production at 189 GeV at LEP. European Physical Journal C: Particles and Fields, 13(4), 553-572. https://doi.org/10.1007/s100520000315

Vancouver

OPAL Collaboration. Tests of the standard model and constraints on new physics from measurements of fermion-pair production at 189 GeV at LEP. European Physical Journal C: Particles and Fields. 2000 Apr;13(4):553-572. doi: 10.1007/s100520000315

Author

OPAL Collaboration. / Tests of the standard model and constraints on new physics from measurements of fermion-pair production at 189 GeV at LEP. In: European Physical Journal C: Particles and Fields. 2000 ; Vol. 13, No. 4. pp. 553-572.

Bibtex

@article{7c90369d672347569c92cc548e8febbc,
title = "Tests of the standard model and constraints on new physics from measurements of fermion-pair production at 189 GeV at LEP",
abstract = "Cross-sections and angular distributions for hadronic and lepton pair final states in e+e− collisions at a centre-of-mass energy near 189 GeV, measured with the OPAL detector at LEP, are presented and compared with the predictions of the Standard Model. The results are used to measure the energy dependence of the electromagnetic coupling constant αemαem , and to place limits on new physics as described by four-fermion contact interactions or by the exchange of a new heavy particle such as a sneutrino in supersymmetric theories with R-parity violation. A search for the indirect effects of the gravitational interaction in extra dimensions on the μ+μ− and τ+τ− final states is also presented.",
author = "Vakhtang Kartvelishvili and {OPAL Collaboration}",
year = "2000",
month = apr,
doi = "10.1007/s100520000315",
language = "English",
volume = "13",
pages = "553--572",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "4",

}

RIS

TY - JOUR

T1 - Tests of the standard model and constraints on new physics from measurements of fermion-pair production at 189 GeV at LEP

AU - Kartvelishvili, Vakhtang

AU - OPAL Collaboration

PY - 2000/4

Y1 - 2000/4

N2 - Cross-sections and angular distributions for hadronic and lepton pair final states in e+e− collisions at a centre-of-mass energy near 189 GeV, measured with the OPAL detector at LEP, are presented and compared with the predictions of the Standard Model. The results are used to measure the energy dependence of the electromagnetic coupling constant αemαem , and to place limits on new physics as described by four-fermion contact interactions or by the exchange of a new heavy particle such as a sneutrino in supersymmetric theories with R-parity violation. A search for the indirect effects of the gravitational interaction in extra dimensions on the μ+μ− and τ+τ− final states is also presented.

AB - Cross-sections and angular distributions for hadronic and lepton pair final states in e+e− collisions at a centre-of-mass energy near 189 GeV, measured with the OPAL detector at LEP, are presented and compared with the predictions of the Standard Model. The results are used to measure the energy dependence of the electromagnetic coupling constant αemαem , and to place limits on new physics as described by four-fermion contact interactions or by the exchange of a new heavy particle such as a sneutrino in supersymmetric theories with R-parity violation. A search for the indirect effects of the gravitational interaction in extra dimensions on the μ+μ− and τ+τ− final states is also presented.

U2 - 10.1007/s100520000315

DO - 10.1007/s100520000315

M3 - Journal article

VL - 13

SP - 553

EP - 572

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 4

ER -