CERN Accelerating science

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Report number CERN-OPEN-99-150 ; RHCPP-97-06 ; CERN-ALEPH-97-071 ; CERN-ALEPH-PHYSIC-97-062
Title Search for excited leptons at LEP2
Author(s) Medcaff, T ; Von Wimmersperg-Töller, J H
Affiliation (CERN)
Publication 1997
Collaboration ALEPH Collaboration
Imprint 19 Aug 1997
Number of pages 10
Presented at International Europhysics Conference on High-Energy Physics, Jerusalem, Israel, 19 - 25 Aug 1997
Subject category Particle Physics - Experiment
Accelerator/Facility, Experiment CERN LEP ; ALEPH
Abstract A search for the radiative decay of excited leptons, and for the weak decay of excited electron neutrinos was undertaken using the 21.8pb-1 of data collected by ALEPH at 161-172 GeV. No evidence for a signal was found in single or pair production. Excluded mass limits from pair production are close to 85 GeV/c2 for excited charged leptons and 80.5 GeV/c2 for excited neutrinos. Limits on the couplings of excited leptons were derived from single production.
Submitted by isabelle.chatelain@cern.ch

 


 ჩანაწერი შექმნილია 1999-09-06, ბოლოს შესწორებულია 2014-07-14


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