TL;DR
This paper reports a search for dark Higgs bosons using BABAR data, setting upper limits on their interaction parameters due to no significant detection.
Contribution
First search for dark Higgs bosons with BABAR data, providing constraints on their coupling parameters.
Findings
No significant dark Higgs signal observed
Set 90% confidence level upper limits on mixing angle and coupling
Constrained parameter space for dark Higgs models
Abstract
Recent astrophysical and terrestrial experiments have motivated the proposal of a dark sector with GeV-scale gauge boson force carriers and new Higgs bosons. We present a search for a dark Higgs boson using 516 fb-1 of data collected with the BABAR detector. We do not observe a significant signal and we set 90% confidence level upper limits on the product of the Standard Model-dark sector mixing angle and the dark sector coupling constant.
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