Improved measurement of the Triple-Gauge-Boson Couplings $\gamma WW$ and ZWW in $e^+ e^-$ collisions

S. Schael; R. Barate; R. Brunelière; I. de Bonis; D. Décamp; C. Goy; S. Jézéquel; J.P. Lees; F. Martin; E. Merle; M.N. Minard; B. Pietrzyk; B. Trocmé; S. Bravo; M.P. Casado; M. Chmeissani; J.M. Crespo; E. Fernández; M. Fernández-Bosman; L. Garrido; M. Martínez; A. Pacheco; H. Ruiz; A. Colaleo; D. Creanza; N. De Filippis; M. De Palma; G. Iaselli; G. Maggi; M. Maggi; S. Nuzzo; A. Ranieri; G. Raso; F. Ruggieri; G. Selvaggi; L. Silvestris; P. Tempesta; A. Tricomi; G. Zito; X. Huang; Jiali Lin; Q. Ouyang; T. Wang; Y. Xie; R. Xu; S. Xue; J. Zhang; L. Zhang; W. Zhao; D. Abbaneo; T. Barklow; O.L. Buchmüller; M. Cattaneo; B. Clerbaux; H. Drevermann; R.W. Forty; M. Frank; F. Gianotti; J.B. Hansen; J. Harvey; D.E. Hutchcroft; P. Janot; B. Jost; M. Kado; P. Mato; A. Moutoussi; F. Ranjard; L. Rolandi; D. Schlatter; F. Teubert; A. Valassi; I. Videau; F. Badaud; S. Dessagne; Alain Falvard; D. Fayolle; Pascal Gay; J. Jousset; B. Michel; S. Monteil; D. Pallin; J.M. Pascolo; Pascal Perret; J.D. Hansen; J.R. Hansen; P.H. Hansen; A.C. Kraan; B.S. Nilsson; A. Kyriakis; C. Markou; E. Simopoulou; A. Vayaki; K. Zachariadou; A. Blondel; J.C. Brient; F. Machefert; A. Rougé; H. Videau; V. Ciulli; E. Focardi; G. Parrini; A. Antonelli; M. Antonelli; G. Bencivenni; F. Bossi; G. Capon; F. Cerutti; V. Chiarella; P. Laurelli; G. Mannocchi; G.P. Murtas; L. Passalacqua; J. Kennedy; J.G. Lynch; P. Negus; V. O'Shea; A.S. Thompson; S. Wasserbaech; R. Cavanaugh; S. Dhamotharan; C. Geweniger; P. Hanke; V. Hepp; E.E. Kluge; A. Putzer; H. Stenzel; K. Tittel; M. Wunsch; R. Beuselinck; W. Cameron; G. Davies; P.J. Dornan; M. Girone; N. Marinelli; J. Nowell; S.A. Rutherford; J.K. Sedgbeer; J.C. Thompson; R. White; V.M. Ghete; P. Girtler; E. Kneringer; D. Kuhn; G. Rudolph; E. Bouhova-Thacker; C.K. Bowdery; D.P. Clarke; G. Ellis; A.J. Finch; F. Foster; G. Hughes; R. W. L. Jones; M.R. Pearson; N.A. Robertson; M. Smizanska; O. van Der Aa; C. Delaere; G. Leibenguth; V. Lemaître; U. Blumenschein; F. Hölldorfer; K. Jakobs; F. Kayser; A.S. Müller; B. Renk; H.G. Sander; S. Schmeling; H. Wachsmuth; C. Zeitnitz; T. Ziegler; A. Bonissent; P. Coyle; C. Curtil; A. Ealet; D. Fouchez; P. Payre; A. Tilquin; F. Ragusa; A. David; H. Dietl; G. Ganis; K. Hüttmann; G. Lütjens; W. Männer; H.G. Moser; R. Settles; M. Villegas; G. Wolf; J. Boucrot; O. Callot; M. Davier; L. Duflot; J.F. Grivaz; P. Heusse; A. Jacholkowska; L. Serin; J.J. Veillet; P. Azzurri; G. Bagliesi; T. Boccali; L. Foà; A. Giammanco; A. Giassi; F. Ligabue; A. Messineo; F. Palla; G. Sanguinetti; A. Sciabà; G. Sguazzoni; P. Spagnolo; R. Tenchini; A. Venturi; P.G. Verdini; O. Awunor; G.A. Blair; G. Cowan; A. García-Bellido; M.G. Green; T. Medcalf; A. Misiejuk; J.A. Strong; P. Teixeira-Dias; R.W. Clifft; T.R. Edgecock; P.R. Norton; I.R. Tomalin; J.J. Ward; B. Bloch-Devaux; D. Boumediene; P. Colas; B. Fabbro; E. Lançon; M.C. Lemaire; E. Locci; P. Pérez; J. Rander; B. Tuchming; B. Vallage; A.M. Litke; G. Taylor; C.N. Booth; S. Cartwright; F. Combley; P.N. Hodgson; M.H. Lehto; L.F. Thompson; A. Böhrer; S. Brandt; C. Grupen; J. Hess; A. Ngac; G. Prange; C. Borean; G. Giannini; H. He; J. Pütz; J.E. Rothberg; S.R. Armstrong; K. Berkelman; K. Cranmer; D. P. S. Ferguson; Y. Gao; S. González; O.J. Hayes; H. Hu; S. Jin; J. Kile; P.A. Mcnamara; J. Nielsen; Y.B. Pan; J.H. von Wimmersperg-Töller; W. Wiedenmann; J. Wu; S.L. Wu; X. Wu; G. Zobernig; G. Dissertori

doi:10.1016/j.physletb.2005.03.058

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$Improved measurement of the Triple-Gauge-Boson Couplings $\gamma WW$ and ZWW in $e^+ e^-$ collisions$

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Improved measurement of the Triple-Gauge-Boson Couplings $\gamma WW$ and ZWW in $e^+ e^-$ collisions

S. Schael, R. Barate, R. Brunelière, I. de Bonis, D. Décamp, C. Goy, S. Jézéquel, J.P. Lees, F. Martin, E. Merle, …

Physics Letters B, Vol.614, pp.7-26

2005

DOI: https://doi.org/10.1016/j.physletb.2005.03.058

Abstract

Triple gauge-boson couplings WWgamma and WWZ involving single-photon, single-W and W-pair production are determined using data samples collected at LEP with the ALEPH detector at centre-of-mass energies between 183 and 209 GeV. The integrated luminosity used is 700 pb-1 for the single-photon measurement and 683 pb-1 for the W channels. Restricting the measurement to C- and P- conserving terms and applying local SU(2)xU(1) gauge invariance, the measured values of the parameters g1z, kappa_gamma and lambda_gamma are: g1z = 1.001 +/- 0.027(stat.) +/- 0.013(syst.) kappa_gamma = 0.971 +/- 0.055(stat.) +/- 0.030(syst.) lambda_gamma = -0.012 +/- 0.027(stat.) +/- 0.011(syst.) for single-parameter fits, where the two other parameters are fixed to their Standard Model values. Results are also presented for the cases where two or all three couplings are allowed to vary. An additional analysis using W-pair events is performed to measure the unconstrained real and imaginary parts of all 14 triple gauge-boson couplings and to perform an indirect search for a techni-rho resonance. No deviations from the Standard Model expectations are observed and the lower limit on the techni-rho mass is set to 600 GeV/c2 at 95% confidence level.

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Title: Improved measurement of the Triple-Gauge-Boson Couplings $\gamma WW$ and ZWW in $e^+ e^-$ collisions
Creators - without role: S. Schael - RWTH Aachen University
R. Barate - UCLouvain
R. Brunelière - UCLouvain
I. de Bonis - UCLouvain
D. Décamp - Laboratoire d’Annecy de Physique des Particules
C. Goy - UCLouvain
S. Jézéquel - UCLouvain
J.P. Lees - Laboratoire d’Annecy de Physique des Particules
F. Martin - Laboratoire d’Annecy de Physique des Particules
E. Merle - UCLouvain
M.N. Minard - Laboratoire d’Annecy de Physique des Particules
B. Pietrzyk - Laboratoire d’Annecy de Physique des Particules
B. Trocmé - Laboratoire d’Annecy de Physique des Particules
S. Bravo - UCLouvain
M.P. Casado
M. Chmeissani - UCLouvain
J.M. Crespo
E. Fernández - UCLouvain
M. Fernández-Bosman
L. Garrido
M. Martínez
A. Pacheco
H. Ruiz - UCLouvain
A. Colaleo
D. Creanza - UCLouvain
N. De Filippis - UCLouvain
M. De Palma - UCLouvain
G. Iaselli
G. Maggi
M. Maggi - UCLouvain
S. Nuzzo - UCLouvain
A. Ranieri
G. Raso
F. Ruggieri
G. Selvaggi
L. Silvestris - UCLouvain
P. Tempesta - UCLouvain
A. Tricomi - Centre National de la Recherche Scientifique
G. Zito
X. Huang
Jiali Lin
Q. Ouyang
T. Wang - UCLouvain
Y. Xie
R. Xu - UCLouvain
S. Xue - UCLouvain
J. Zhang
L. Zhang - UCLouvain
W. Zhao
D. Abbaneo - UCLouvain
T. Barklow - UCLouvain
O.L. Buchmüller - UCLouvain
M. Cattaneo - UCLouvain
B. Clerbaux
H. Drevermann - UCLouvain
R.W. Forty
M. Frank - UCLouvain
F. Gianotti
J.B. Hansen
J. Harvey
D.E. Hutchcroft - UCLouvain
P. Janot - UCLouvain
B. Jost
M. Kado - UCLouvain
P. Mato - UCLouvain
A. Moutoussi
F. Ranjard
L. Rolandi
D. Schlatter - UCLouvain
F. Teubert
A. Valassi
I. Videau - UCLouvain
F. Badaud - Laboratoire de Physique Corpusculaire
S. Dessagne - UCLouvain
Alain Falvard - Université de Montpellier
D. Fayolle - UCLouvain
Pascal Gay - UCLouvain
J. Jousset - Laboratoire de Physique Corpusculaire
B. Michel - Laboratoire de Physique Corpusculaire
S. Monteil - UCLouvain
D. Pallin - UCLouvain
J.M. Pascolo - Laboratoire de Physique Corpusculaire
Pascal Perret - UCLouvain
J.D. Hansen
J.R. Hansen
P.H. Hansen - UCLouvain
A.C. Kraan
B.S. Nilsson
A. Kyriakis
C. Markou - UCLouvain
E. Simopoulou - UCLouvain
A. Vayaki
K. Zachariadou
A. Blondel - University of Geneva
J.C. Brient - Laboratoire Leprince-Ringuet
F. Machefert - Laboratoire Leprince-Ringuet
A. Rougé - Laboratoire Leprince-Ringuet
H. Videau - UCLouvain
V. Ciulli - UCLouvain
E. Focardi - UCLouvain
G. Parrini
A. Antonelli
M. Antonelli - UCLouvain
G. Bencivenni
F. Bossi
G. Capon
F. Cerutti
V. Chiarella - UCLouvain
P. Laurelli - UCLouvain
G. Mannocchi - Istituto Nazionale di Fisica Nucleare, Sezione di Torino
G.P. Murtas
L. Passalacqua - UCLouvain
J. Kennedy
J.G. Lynch
P. Negus - UCLouvain
V. O'Shea - UCLouvain
A.S. Thompson
S. Wasserbaech - UCLouvain
R. Cavanaugh - UCLouvain
S. Dhamotharan - UCLouvain
C. Geweniger - UCLouvain
P. Hanke - UCLouvain
V. Hepp - UCLouvain
E.E. Kluge
A. Putzer
H. Stenzel - UCLouvain
K. Tittel
M. Wunsch - UCLouvain
R. Beuselinck - UCLouvain
W. Cameron
G. Davies
P.J. Dornan
M. Girone - UCLouvain
N. Marinelli - UCLouvain
J. Nowell
S.A. Rutherford
J.K. Sedgbeer
J.C. Thompson
R. White - UCLouvain
V.M. Ghete
P. Girtler - UCLouvain
E. Kneringer - UCLouvain
D. Kuhn - UCLouvain
G. Rudolph
E. Bouhova-Thacker - UCLouvain
C.K. Bowdery
D.P. Clarke
G. Ellis
A.J. Finch
F. Foster
G. Hughes
R. W. L. Jones
M.R. Pearson
N.A. Robertson
M. Smizanska - UCLouvain
O. van Der Aa - UCLouvain
C. Delaere - UCLouvain
G. Leibenguth
V. Lemaître - UCLouvain
U. Blumenschein
F. Hölldorfer
K. Jakobs
F. Kayser
A.S. Müller
B. Renk
H.G. Sander
S. Schmeling - UCLouvain
H. Wachsmuth - UCLouvain
C. Zeitnitz - UCLouvain
T. Ziegler - UCLouvain
A. Bonissent - Centre de physique des particules de Marseille
P. Coyle - UCLouvain
C. Curtil - UCLouvain
A. Ealet - Centre de physique des particules de Marseille
D. Fouchez - UCLouvain
P. Payre - UCLouvain
A. Tilquin - Centre de physique des particules de Marseille
F. Ragusa
A. David
H. Dietl - UCLouvain
G. Ganis
K. Hüttmann
G. Lütjens
W. Männer
H.G. Moser
R. Settles - UCLouvain
M. Villegas - UCLouvain
G. Wolf
J. Boucrot - Laboratoire de l'Accélérateur Linéaire
O. Callot - UCLouvain
M. Davier - UCLouvain
L. Duflot - UCLouvain
J.F. Grivaz - Laboratoire de l'Accélérateur Linéaire
P. Heusse - UCLouvain
A. Jacholkowska - Laboratoire de Physique Théorique
L. Serin - UCLouvain
J.J. Veillet - Laboratoire de l'Accélérateur Linéaire
P. Azzurri - UCLouvain
G. Bagliesi
T. Boccali - UCLouvain
L. Foà - UCLouvain
A. Giammanco
A. Giassi
F. Ligabue
A. Messineo
F. Palla
G. Sanguinetti
A. Sciabà
G. Sguazzoni
P. Spagnolo - UCLouvain
R. Tenchini - UCLouvain
A. Venturi
P.G. Verdini
O. Awunor - UCLouvain
G.A. Blair
G. Cowan
A. García-Bellido
M.G. Green
T. Medcalf - UCLouvain
A. Misiejuk
J.A. Strong
P. Teixeira-Dias - UCLouvain
R.W. Clifft
T.R. Edgecock - UCLouvain
P.R. Norton
I.R. Tomalin
J.J. Ward
B. Bloch-Devaux
D. Boumediene - UCLouvain
P. Colas - UCLouvain
B. Fabbro
E. Lançon - UCLouvain
M.C. Lemaire
E. Locci - UCLouvain
P. Pérez
J. Rander
B. Tuchming
B. Vallage
A.M. Litke
G. Taylor
C.N. Booth
S. Cartwright - UCLouvain
F. Combley
P.N. Hodgson
M.H. Lehto - UCLouvain
L.F. Thompson
A. Böhrer
S. Brandt - UCLouvain
C. Grupen - UCLouvain
J. Hess
A. Ngac
G. Prange
C. Borean - UCLouvain
G. Giannini
H. He - UCLouvain
J. Pütz
J.E. Rothberg
S.R. Armstrong
K. Berkelman
K. Cranmer
D. P. S. Ferguson
Y. Gao - Tsinghua University
S. González - UCLouvain
O.J. Hayes
H. Hu - UCLouvain
S. Jin - UCLouvain
J. Kile
P.A. Mcnamara
J. Nielsen
Y.B. Pan
J.H. von Wimmersperg-Töller
W. Wiedenmann
J. Wu
S.L. Wu
X. Wu
G. Zobernig
G. Dissertori
Publication Details: Physics Letters B, Vol.614, pp.7-26
Identifiers: 9936765509311
Academic Unit: Université de Montpellier
Language: English
Resource Type: Journal article
Local Fields: in2p3-00023825