Search for low-Mass Higgs states @ BaBar
Valentina Santoro (for the BaBar collaboration)
TL;DR
This paper reports on BaBar's searches for low-mass Higgs states and dark-sector particles, aiming to explore new physics beyond the Standard Model through various decay channels.
Contribution
It introduces new search strategies for dark-sector Higgs and light Higgs in Upsilon decays, extending previous constraints on light Higgs models.
Findings
No significant signals found in the searched channels.
New limits set on the coupling of light Higgs to Standard Model particles.
Expanded exclusion regions for low-mass Higgs and dark-sector particles.
Abstract
Several types of new-physics models predict the existence of light dark matter candidates and low-mass Higgs states. Previous \babar searches for invisible light-Higgs decays have excluded large regions of model parameter space. We present searches for a dark-sector Higgs produced in association with a dark gauge boson and searches for a light Higgs in decays.
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