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Four fermion production in e+ e- collisions at center-of-mass energies of 130-GeV and 136-GeV

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published
  • ALEPH Collaboration
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<mark>Journal publication date</mark>1996
<mark>Journal</mark>Physics Letters B
Issue number2
Volume388
Number of pages12
Pages (from-to)419-430
Publication StatusPublished
<mark>Original language</mark>English

Abstract

Four-fermion events have been selected in a data sample of 5.8 pb−1 collected with the aleph detector at centre-of-mass energies of 130 and 136 GeV. The final states , ℓ+ℓ−ℓ+ℓ−, , and have been examined. Five events are observed in the data, in agreement with the Standard Model predictions of 6.67±0.38 events from four-fermion processes and 0.14−0.05+0.19 from background processes.