Measurement of neutral-current four-fermion production at LEP2

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

doi:10.1016/S0370-2693(02)02468-1

Measurement of neutral-current four-fermion production at LEP2

G Abbiendi, Georgios Anagnostou, Paul Bell, Ian Bloodworth, David Charlton, Christopher Hawkes, Roger Homer, 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

Four-fermion final states q (q) over bare(+)e(-) and q (q) over bar mu(+)mu(-) from neutral-current interactions in e(+)e(-) collisions are studied in the OPAL detector at LEP at centre-of-mass energies from 183 GeV to 209 GeV. The data analysed correspond to a total integrated luminosity of about 650 pb(-1) recorded from 1997 to 2000. Corresponding to the acceptance of the OPAL detector, a signal definition is applied requiring both leptons to have a scattering angle satisfying /costheta/ <0.95. Further requirements are made on the invariant masses of the fermion pairs. The extracted cross-sections for the processes e(+)e(-) --> q (q) over bare(+)e(-) and e(+)e(-) --> q (q) over bar mu(+)mu(-) are consistent with the expectations from the Standard Model. (C) 2002 Elsevier Science B.V. All rights reserved.

Original language	English
Pages (from-to)	259-273
Number of pages	15
Journal	Physics Letters B
Volume	544
Issue number	3-4
DOIs	https://doi.org/10.1016/S0370-2693(02)02468-1
Publication status	Published - 26 Sept 2002

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@article{d9c6c1567a4346cdb0c53e89d528f46d,

title = "Measurement of neutral-current four-fermion production at LEP2",

abstract = "Four-fermion final states q (q) over bare(+)e(-) and q (q) over bar mu(+)mu(-) from neutral-current interactions in e(+)e(-) collisions are studied in the OPAL detector at LEP at centre-of-mass energies from 183 GeV to 209 GeV. The data analysed correspond to a total integrated luminosity of about 650 pb(-1) recorded from 1997 to 2000. Corresponding to the acceptance of the OPAL detector, a signal definition is applied requiring both leptons to have a scattering angle satisfying /costheta/ <0.95. Further requirements are made on the invariant masses of the fermion pairs. The extracted cross-sections for the processes e(+)e(-) --> q (q) over bare(+)e(-) and e(+)e(-) --> q (q) over bar mu(+)mu(-) are consistent with the expectations from the Standard Model. (C) 2002 Elsevier Science B.V. All rights reserved.",

author = "G Abbiendi and Georgios Anagnostou and Paul Bell and Ian Bloodworth and David Charlton and Christopher Hawkes and Roger Homer 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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doi = "10.1016/S0370-2693(02)02468-1",

language = "English",

volume = "544",

pages = "259--273",

journal = "Physics Letters B",

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TY - JOUR

T1 - Measurement of neutral-current four-fermion production at LEP2

AU - Abbiendi, G

AU - Anagnostou, Georgios

AU - Bell, Paul

AU - Bloodworth, Ian

AU - Charlton, David

AU - Hawkes, Christopher

AU - Homer, Roger

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 - 2002/9/26

Y1 - 2002/9/26

N2 - Four-fermion final states q (q) over bare(+)e(-) and q (q) over bar mu(+)mu(-) from neutral-current interactions in e(+)e(-) collisions are studied in the OPAL detector at LEP at centre-of-mass energies from 183 GeV to 209 GeV. The data analysed correspond to a total integrated luminosity of about 650 pb(-1) recorded from 1997 to 2000. Corresponding to the acceptance of the OPAL detector, a signal definition is applied requiring both leptons to have a scattering angle satisfying /costheta/ <0.95. Further requirements are made on the invariant masses of the fermion pairs. The extracted cross-sections for the processes e(+)e(-) --> q (q) over bare(+)e(-) and e(+)e(-) --> q (q) over bar mu(+)mu(-) are consistent with the expectations from the Standard Model. (C) 2002 Elsevier Science B.V. All rights reserved.

AB - Four-fermion final states q (q) over bare(+)e(-) and q (q) over bar mu(+)mu(-) from neutral-current interactions in e(+)e(-) collisions are studied in the OPAL detector at LEP at centre-of-mass energies from 183 GeV to 209 GeV. The data analysed correspond to a total integrated luminosity of about 650 pb(-1) recorded from 1997 to 2000. Corresponding to the acceptance of the OPAL detector, a signal definition is applied requiring both leptons to have a scattering angle satisfying /costheta/ <0.95. Further requirements are made on the invariant masses of the fermion pairs. The extracted cross-sections for the processes e(+)e(-) --> q (q) over bare(+)e(-) and e(+)e(-) --> q (q) over bar mu(+)mu(-) are consistent with the expectations from the Standard Model. (C) 2002 Elsevier Science B.V. All rights reserved.

U2 - 10.1016/S0370-2693(02)02468-1

DO - 10.1016/S0370-2693(02)02468-1

M3 - Article

VL - 544

SP - 259

EP - 273

JO - Physics Letters B

JF - Physics Letters B

IS - 3-4

ER -

Measurement of neutral-current four-fermion production at LEP2

Abstract

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