Search for R-parity violating production of single sneutrinos in e+ e- collisions at s**(1/2) = 189-GeV to 209-GeV

ALEPH Collaboration, The and Heister, A. and Bowdery, Christopher and Bouhova-Thacker, Evelina and Finch, Alexander and Foster, Frank and Hughes, Gareth and Jones, Roger and Smizanska, Maria (2002) Search for R-parity violating production of single sneutrinos in e+ e- collisions at s**(1/2) = 189-GeV to 209-GeV. European Physical Journal C: Particles and Fields, 25 (1). pp. 1-12. ISSN 1434-6044

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Abstract

A search for single sneutrino production under the assumption that R-parity is violated via a single dominant LLE¯ coupling is presented. This search considers the process eγ→ν~ℓ and is performed using the data collected by the ALEPH detector at centre-of-mass energies from 189 GeV up to 209 GeV corresponding to an integrated luminosity of 637.1 pb-1. The numbers of observed candidate events are in agreement with Standard Model expectations and 95% confidence level upper limits on five of the LLE¯ couplings are given as a function of the assumed sneutrino mass.

Item Type:
Journal Article
Journal or Publication Title:
European Physical Journal C: Particles and Fields
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2201
Subjects:
ID Code:
63918
Deposited By:
Deposited On:
03 May 2013 10:21
Refereed?:
Yes
Published?:
Published
Last Modified:
28 Oct 2020 10:19