Article Dans Une Revue European Physical Journal C: Particles and Fields Année : 2011

Search for single top quark production via contact interactions at LEP2

Résumé

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.

Dates et versions

in2p3-00586332 , version 1 (15-04-2011)

Identifiants

Citer

J. Abdallah, M. Brunet, D. Bloch, M. Nikolenko, M. Winter, et al.. Search for single top quark production via contact interactions at LEP2. European Physical Journal C: Particles and Fields, 2011, 71, 1555 (13 p.). ⟨10.1140/epjc/s10052-011-1555-z⟩. ⟨in2p3-00586332⟩
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