Muon pair production in ep collisions at HERA

A Aktas, Yves Coppens, John Dowell, Peter Faulkner, Yves Fleming, John Garvey, Oliver Henshaw, Carrie Johnson, Ian Kenyon, Paul Newman, Syed Rizvi, Paul Thompson, Ethan-Etienne Woehrling

Research output: Contribution to journalArticle

28 Citations (Scopus)


Cross sections for the production of two isolated muons up to high di-muon masses are measured in ep collisions at HERA with the H1 detector in a data sample corresponding to an integrated luminosity of 71 pb(-1) at a centre of mass energy of roots = 319 GeV. The results are in good agreement with Standard Model predictions, the dominant process being photon-photon interactions. Additional muons or electrons are searched for in events with two high transverse momentum muons using the full data sample corresponding to 114 pb(-1), where data at roots = 301 GeV and roots = 319 GeV are combined. Both the di-lepton sample and the tri-lepton sample agree Well with the predictions. (C) 2004 Published by Elsevier B.V.
Original languageEnglish
Pages (from-to)28
Number of pages1
JournalPhysics Letters B
Issue number1-2
Publication statusPublished - 11 Mar 2004


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