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Absolute lower limits on the masses of selectrons and sneutrinos in the MSSM

ALEPH Collaboration, The and Heister, A. and Bouhova-Thacker, Evelina and Bowdery, Christopher and Finch, Alexander and Foster, Frank and Hughes, Gareth and Jones, Roger and Smizanska, Maria (2002) Absolute lower limits on the masses of selectrons and sneutrinos in the MSSM. Physics Letters B, 544 (1-2). pp. 73-88. ISSN 0370-2693

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Abstract

The results of searches for selectrons, charginos and neutralinos performed with the data collected by the ALEPH detector at LEP at centre-of-mass energies up to 209 GeV are interpreted in the framework of the Minimal Supersymmetric extension of the Standard Model with R-parity conservation. Under the assumptions of gaugino and sfermion mass unification and no sfermion mixing, an absolute lower limit of 73 GeV/c2 is set on the mass of the lighter selectron at the 95% confidence level. Similarly, limits on the masses of the heavier selectron and of the sneutrino are set at 107 and 84 GeV/c2, respectively. Additional constraints are derived from the results of the searches for Higgs bosons. The results are also interpreted in the framework of minimal supergravity.

Item Type: Article
Journal or Publication Title: Physics Letters B
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 63905
Deposited By: ep_importer_pure
Deposited On: 03 May 2013 10:21
Refereed?: Yes
Published?: Published
Last Modified: 19 Nov 2017 12:15
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/63905

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