Search for charged excited leptons in e⁺e⁻ collisions at √(s) = 183-209 GeV

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)02343-2

Search for charged excited leptons in e⁺e⁻ collisions at √(s) = 183-209 GeV

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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21 Citations (Scopus)

Abstract

A search for charged excited leptons decaying into a lepton and a photon has been performed using approximately 680 pb(-1) of e(+)e(-) collision data collected by the OPAL detector at LEP at centre-of-mass energies between 183 and 209 GeV No evidence for their existence was found. Upper limits on the product of the cross-section and the branching fraction are inferred. Using results from the search for singly produced excited leptons, upper limits on the ratio of the excited lepton coupling constant to the compositeness scale are calculated. From pair production searches, 95% confidence level lower limits on the masses of excited electrons, muons and taus are determined to be 103.2 GeV (C) 2002 Elsevier Science B.V. All rights reserved.

Original language	English
Pages (from-to)	57-72
Number of pages	16
Journal	Physics Letters B
Volume	544
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(02)02343-2
Publication status	Published - 19 Sept 2002

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title = "Search for charged excited leptons in e⁺e⁻ collisions at √(s) = 183-209 GeV",

abstract = "A search for charged excited leptons decaying into a lepton and a photon has been performed using approximately 680 pb(-1) of e(+)e(-) collision data collected by the OPAL detector at LEP at centre-of-mass energies between 183 and 209 GeV No evidence for their existence was found. Upper limits on the product of the cross-section and the branching fraction are inferred. Using results from the search for singly produced excited leptons, upper limits on the ratio of the excited lepton coupling constant to the compositeness scale are calculated. From pair production searches, 95% confidence level lower limits on the masses of excited electrons, muons and taus are determined to be 103.2 GeV (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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T1 - Search for charged excited leptons in e⁺e⁻ collisions at √(s) = 183-209 GeV

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 - 2002/9/19

Y1 - 2002/9/19

N2 - A search for charged excited leptons decaying into a lepton and a photon has been performed using approximately 680 pb(-1) of e(+)e(-) collision data collected by the OPAL detector at LEP at centre-of-mass energies between 183 and 209 GeV No evidence for their existence was found. Upper limits on the product of the cross-section and the branching fraction are inferred. Using results from the search for singly produced excited leptons, upper limits on the ratio of the excited lepton coupling constant to the compositeness scale are calculated. From pair production searches, 95% confidence level lower limits on the masses of excited electrons, muons and taus are determined to be 103.2 GeV (C) 2002 Elsevier Science B.V. All rights reserved.

AB - A search for charged excited leptons decaying into a lepton and a photon has been performed using approximately 680 pb(-1) of e(+)e(-) collision data collected by the OPAL detector at LEP at centre-of-mass energies between 183 and 209 GeV No evidence for their existence was found. Upper limits on the product of the cross-section and the branching fraction are inferred. Using results from the search for singly produced excited leptons, upper limits on the ratio of the excited lepton coupling constant to the compositeness scale are calculated. From pair production searches, 95% confidence level lower limits on the masses of excited electrons, muons and taus are determined to be 103.2 GeV (C) 2002 Elsevier Science B.V. All rights reserved.

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DO - 10.1016/S0370-2693(02)02343-2

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EP - 72

JO - Physics Letters B

JF - Physics Letters B

IS - 1-2

ER -

Search for charged excited leptons in e⁺e⁻ collisions at √(s) = 183-209 GeV

Abstract

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