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Search for supersymmetry with a dominant R-parity violating L L anti-E coupling in e+ e- collisions at center-of-mass energies of 130-GeV to 172-GeV

ALEPH Collaboration, The and Barate, R. and Betteridge, Andrew and Bowdery, Christopher and Colrain, Paul and Finch, Alexander and Foster, Frank and Hughes, Gareth and Jones, Roger and Whelan, Edmund and Williams, Mark (1998) Search for supersymmetry with a dominant R-parity violating L L anti-E coupling in e+ e- collisions at center-of-mass energies of 130-GeV to 172-GeV. The European Physical Journal C (EPJ C) - Particles and Fields, 4 (3). pp. 433-451. ISSN 1434-6052

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Abstract

A search for pair-production of supersymmetric particles under the assumption that R-parity is violated via a dominant LLE¯ coupling has been performed using the data collected by ALEPH at centre-of-mass energies of 130–172 GeV. The observed candidate events in the data are in agreement with the Standard Model expectation. This is translated into lower limits on the mass of charginos, neutralinos, sleptons, sneutrinos and squarks. For instance, charginos with masses less than 73 GeV/ c2 and neutralinos with masses less than 23 GeV/ c2 are excluded at 95% confidence level for any generation structure of the LLE¯ coupling, and for neutralino, slepton or sneutrino LSPs.

Item Type: Article
Journal or Publication Title: The European Physical Journal C (EPJ C) - Particles and Fields
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 63999
Deposited By: ep_importer_pure
Deposited On: 20 May 2013 11:32
Refereed?: Yes
Published?: Published
Last Modified: 10 Oct 2017 18:02
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/63999

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