Search for single top quark production via contact interactions at LEP2

J. Abdallah; M. Brunet; D. Bloch; M. Nikolenko; M. Winter; R. Barbier; P. Jonsson; S. Katsanevas; G. Smadja; P. Verdier; N. Besançon; M. Besson; M. Boonekamp; P. Jarry; P. Lutz; R. Nicolaidou; A. Ouarou; F. Pierre; L. Turluer; D. Vilanova; Y. Arnoud; C. Bérat; F. Ledroit; P. Antilogus; J.-E. Augustin; M. Baubillier; E. Ben-Haim; M. Berggren; W. Da Silva; F. Kapusta; A. Savoy-Navarro

HAL: in2p3-00586332, version 1

arXiv: 1102.4455

DOI: 10.1140/epjc/s10052-011-1555-z

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Search for single top quark production via contact interactions at LEP2
Abdallah J., Brunet M., Bloch D., Nikolenko M., Winter M. et al
European Physical Journal C 71 (2011) 1555 (13 p.) - http://hal.in2p3.fr/in2p3-00586332

Subject(s):

Physics/High Energy Physics - Experiment

Title:

Search for single top quark production via contact interactions at LEP2

Author:

J. Abdallah¹, M. Brunet², D. Bloch³, M. Nikolenko³, M. Winter³, R. Barbier⁴, P. Jonsson⁴, S. Katsanevas⁴, G. Smadja⁴, P. Verdier⁴, N. Besançon⁵, M. Besson⁵, M. Boonekamp⁵, P. Jarry⁵, P. Lutz⁵, R. Nicolaidou⁵, A. Ouarou⁵, F. Pierre⁵, L. Turluer⁵, D. Vilanova⁵, Y. Arnoud⁶, C. Bérat⁶, F. Ledroit⁶, P. Antilogus¹, J.-E. Augustin¹, M. Baubillier¹, E. Ben-Haim¹, M. Berggren¹, W. Da Silva¹, F. Kapusta¹, A. Savoy-Navarro¹

Laboratory:

1:	LPNHE - Laboratoire de Physique Nucléaire et de Hautes Énergies

http://www-lpnhep.in2p3.fr

CNRS : UMR7585 – IN2P3 – Université Pierre et Marie Curie [UPMC] - Paris VI – Université Paris VII - Paris Diderot

Barre 12-22, 1er étage 4 Place Jussieu 75252 Paris Cedex 05

France

2:	PCC - Physique Corpusculaire et Cosmologie - Collège de France

CNRS : UMR7553 – IN2P3 – Université Paris VII - Paris Diderot

11, place Marcelin Berthelot - 75231 Paris Cedex 05

France

3:	DRS-IPHC - Département Recherches Subatomiques

CNRS : UMR7178 – IN2P3 – Université de Strasbourg

23 rue du Loess - BP28 67037 Strasbourg cedex 2

France

4:	IPNL - Institut de Physique Nucléaire de Lyon

http://www.ipnl.in2p3.fr/

CNRS : UMR5822 – IN2P3 – Université Claude Bernard - Lyon I

France

5:	SPP - Service de Physique des Particules

http://www-dapnia.cea.fr/Spp/

CEA : DSM/IRFU

France

6:	LPSC - Laboratoire de Physique Subatomique et de Cosmologie

http://lpsc.in2p3.fr

CNRS : UMR5821 – IN2P3 – Université Joseph Fourier - Grenoble I – Institut Polytechnique de Grenoble - Grenoble Institute of Technology

53 avenue des Martyrs - 38026 Grenoble Cedex

France

Abstract:

Single top quark production via four-fermion contact interactions associated to flavour-changing neutral currents was searched for in data taken by the DELPHI detector at LEP2. The data were accumulated at centre-of-mass energies ranging from 189 to 209 GeV, with an integrated luminosity of 598.1 pb^-1. No evidence for a signal was found. Limits on the energy scale Lambda, were set for scalar-, vector- and tensor-like coupling scenarios.

Collaboration/Project:

DELPHI

Document of the type:

Article in peer-reviewed journal

Publication or writing
date:

2011

Journal:

European Physical Journal C

Volume:

Page/Article:

1555 (13 p.)

Internal call number:

LPSC11083

Comments:

22 pages, 8 figures, version as Accepted for publication by Eur. Phys. J. C, see paper for full list of authors

Fulltext link:

http://fr.arXiv.org/abs/1102.4455


in2p3-00586332, version 1
http://hal.in2p3.fr/in2p3-00586332
oai:hal.in2p3.fr:in2p3-00586332
From: Dominique Girod <>
Submitted on: Friday, 15 April 2011 15:30:47
Updated on: Wednesday, 1 June 2011 15:58:30