Search for dark Higgsstrahlung in e+e−→μ+μ− and missing energy events with the KLOE experiment
Copyright policy )Search for dark Higgsstrahlung in e+e−→μ+μ− and missing energy events with the KLOE experiment
We searched for evidence of a Higgsstrahlung process in a secluded sector, leading to a final state with a dark photon U and a dark Higgs boson h', with the KLOE detector at DAFNE. We investigated the case of h' lighter than U, with U decaying into a muon pair and h' producing a missing energy signature. We found no evidence of the process and set upper limits to its parameters in the range 2m_mu
16 pages, 7 figures, submitted to Physics Letters B
- Jagiellonian University Poland
- University of Rome Tor Vergata Italy
- INFN Sezione di Roma II Italy
- Uppsala University Sweden
- INFN Sezione di Catania Italy
Dark forces, Nuclear and High Energy Physics, Dark matter, Dark photon, electron positron collider, KLOE experiment, Physics, QC1-999, Upper limit, FOS: Physical sciences, U boson, dark force, High Energy Physics - Experiment; High Energy Physics - Experiment, dark matter, Settore FIS/01 - FISICA SPERIMENTALE, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), dark matter; dark forces; U boson; upper limit; Higgsstrahlung, Dark matter, Higgsstrahlung, upper limit
Dark forces, Nuclear and High Energy Physics, Dark matter, Dark photon, electron positron collider, KLOE experiment, Physics, QC1-999, Upper limit, FOS: Physical sciences, U boson, dark force, High Energy Physics - Experiment; High Energy Physics - Experiment, dark matter, Settore FIS/01 - FISICA SPERIMENTALE, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), dark matter; dark forces; U boson; upper limit; Higgsstrahlung, Dark matter, Higgsstrahlung, upper limit
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