Tests of the Standard Model and constraints on new physics from measurements of fermion-pair production at 189-209 GeV at LEP

G Abbiendi; Georgios Anagnostou; Paul Bell; David Charlton; Christopher Hawkes; Predrag Jovanovic; Thomas McMahon; Stephen O'Neale; Miriam Watson; Peter Watkins; Alan Watson; Nigel Watson; John Wilson

doi:10.1140/epjc/s2004-01595-9

Tests of the Standard Model and constraints on new physics from measurements of fermion-pair production at 189-209 GeV at LEP

G Abbiendi, Georgios Anagnostou, Paul Bell, David Charlton, Christopher Hawkes, Predrag Jovanovic, Thomas McMahon, Stephen O'Neale, Miriam Watson, Peter Watkins, Alan Watson, Nigel Watson, John Wilson

Physics and Astronomy

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Abstract

Cross-sections and angular distributions for hadronic and lepton-pair final states in e (+) e(-) collisions at centre-of-mass energies between 189 GeV and 209 GeV, measured with the OPAL detector at LEP, are presented and compared with the predictions of the Standard Model. The measurements are used to determine the electromagnetic coupling constant alpha(em) at LEP 2 energies. In addition, the results are used together with OPAL measurements at 91-183 GeV within the S-matrix formalism to determine the gamma-Z interference term and to make an almost model-independent measurement of the Z mass. Limits on extensions to the Standard Model described by effective four-fermion contact interactions or the addition of a heavy Z' boson are also presented.

Original language	English
Pages (from-to)	173-212
Number of pages	40
Journal	European Physical Journal C
Volume	33
Issue number	2
DOIs	https://doi.org/10.1140/epjc/s2004-01595-9
Publication status	Published - 1 Mar 2004

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Abbiendi, G., Anagnostou, G., Bell, P., Charlton, D., Hawkes, C., Jovanovic, P., McMahon, T., O'Neale, S., Watson, M., Watkins, P., Watson, A., Watson, N., & Wilson, J. (2004). Tests of the Standard Model and constraints on new physics from measurements of fermion-pair production at 189-209 GeV at LEP. European Physical Journal C, 33(2), 173-212. https://doi.org/10.1140/epjc/s2004-01595-9

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title = "Tests of the Standard Model and constraints on new physics from measurements of fermion-pair production at 189-209 GeV at LEP",

abstract = "Cross-sections and angular distributions for hadronic and lepton-pair final states in e (+) e(-) collisions at centre-of-mass energies between 189 GeV and 209 GeV, measured with the OPAL detector at LEP, are presented and compared with the predictions of the Standard Model. The measurements are used to determine the electromagnetic coupling constant alpha(em) at LEP 2 energies. In addition, the results are used together with OPAL measurements at 91-183 GeV within the S-matrix formalism to determine the gamma-Z interference term and to make an almost model-independent measurement of the Z mass. Limits on extensions to the Standard Model described by effective four-fermion contact interactions or the addition of a heavy Z' boson are also presented.",

author = "G Abbiendi and Georgios Anagnostou and Paul Bell and David Charlton and Christopher Hawkes and Predrag Jovanovic and Thomas McMahon and Stephen O'Neale and Miriam Watson and Peter Watkins and Alan Watson and Nigel Watson and John Wilson",

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Abbiendi, G, Anagnostou, G, Bell, P, Charlton, D, Hawkes, C, Jovanovic, P, McMahon, T, O'Neale, S, Watson, M, Watkins, P, Watson, A , Watson, N & Wilson, J 2004, 'Tests of the Standard Model and constraints on new physics from measurements of fermion-pair production at 189-209 GeV at LEP', European Physical Journal C, vol. 33, no. 2, pp. 173-212. https://doi.org/10.1140/epjc/s2004-01595-9

TY - JOUR

T1 - Tests of the Standard Model and constraints on new physics from measurements of fermion-pair production at 189-209 GeV at LEP

AU - Abbiendi, G

AU - Anagnostou, Georgios

AU - Bell, Paul

AU - Charlton, David

AU - Hawkes, Christopher

AU - Jovanovic, Predrag

AU - McMahon, Thomas

AU - O'Neale, Stephen

AU - Watson, Miriam

AU - Watkins, Peter

AU - Watson, Alan

AU - Watson, Nigel

AU - Wilson, John

PY - 2004/3/1

Y1 - 2004/3/1

N2 - Cross-sections and angular distributions for hadronic and lepton-pair final states in e (+) e(-) collisions at centre-of-mass energies between 189 GeV and 209 GeV, measured with the OPAL detector at LEP, are presented and compared with the predictions of the Standard Model. The measurements are used to determine the electromagnetic coupling constant alpha(em) at LEP 2 energies. In addition, the results are used together with OPAL measurements at 91-183 GeV within the S-matrix formalism to determine the gamma-Z interference term and to make an almost model-independent measurement of the Z mass. Limits on extensions to the Standard Model described by effective four-fermion contact interactions or the addition of a heavy Z' boson are also presented.

AB - Cross-sections and angular distributions for hadronic and lepton-pair final states in e (+) e(-) collisions at centre-of-mass energies between 189 GeV and 209 GeV, measured with the OPAL detector at LEP, are presented and compared with the predictions of the Standard Model. The measurements are used to determine the electromagnetic coupling constant alpha(em) at LEP 2 energies. In addition, the results are used together with OPAL measurements at 91-183 GeV within the S-matrix formalism to determine the gamma-Z interference term and to make an almost model-independent measurement of the Z mass. Limits on extensions to the Standard Model described by effective four-fermion contact interactions or the addition of a heavy Z' boson are also presented.

U2 - 10.1140/epjc/s2004-01595-9

DO - 10.1140/epjc/s2004-01595-9

M3 - Article

VL - 33

SP - 173

EP - 212

JO - European Physical Journal C

JF - European Physical Journal C

IS - 2

ER -

Tests of the Standard Model and constraints on new physics from measurements of fermion-pair production at 189-209 GeV at LEP

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