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Search for pair production of longlived heavy charged particles in e+ e- annihilation

Barate, R. and Finch, Alexander (1997) Search for pair production of longlived heavy charged particles in e+ e- annihilation. Physics Letters B, 405 (3-4). pp. 379-388. ISSN 0370-2693

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Abstract

A search for pair-production of long-lived, heavy, singly-charged particles has been performed with data collected by the ALEPH detector at a centre-of-mass energy of 172 GeV. Data at are also included to improve the sensitivity to lower masses. No candidate is found in the data. A model-independent 95% confidence level upper limit on the production cross section at 172 GeV of 0.2–0.4 pb is derived for masses between 45 and 86 GeV/c2. This cross section limit implies, assuming the MSSM, a lower limit of 67 (69) GeV/c2 on the mass of right- (left-) handed long-lived scalar taus or scalar muons and of 86 GeV/c2 on the mass of long-lived charginos.

Item Type: Article
Journal or Publication Title: Physics Letters B
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 64011
Deposited By: ep_importer_pure
Deposited On: 14 May 2013 15:55
Refereed?: Yes
Published?: Published
Last Modified: 22 Nov 2017 22:52
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/64011

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