Search for the "Dark Photon" and the "Dark Higgs" at Belle
Igal Jaegle (for the Belle Collaboration)
TL;DR
This paper reports the expected sensitivity of the Belle experiment to search for Dark Photons and Dark Higgs particles within specific mass ranges, using Higgs-strahlung channels involving electron-positron collisions.
Contribution
It provides the first detailed sensitivity estimates for Dark Photon and Dark Higgs searches at Belle in the specified mass ranges.
Findings
Sensitivity estimates for Dark Photon and Dark Higgs detection.
Search strategy using Higgs-strahlung channels.
Preparation for unblinded results.
Abstract
The expected sensitivity of Belle is reported for the Dark Photon, A, and Dark Higgs, h' searches, for mass ranges, respectively of 0.27 < m_A < 3 GeV/c^2 and 0.54 < m_h' < 10 GeV/c^2. The Dark Photon and Dark Higgs will be searched for in the Higgs-strahlung channels: e^+e^- -> Ah', with h' -> AA and A -> l^+l^- (with l = e or mu). Results will be unblinded soon.
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