Constraining Light Bosons with Radiative $\Upsilon(1S)$ Decays
David McKeen
TL;DR
This paper explores how current CLEO data on radiative quarkonium decays can constrain models with light scalar and pseudoscalar bosons, which are potential candidates beyond the Standard Model.
Contribution
It provides a novel analysis of existing experimental data to set limits on light bosons in theories beyond the Standard Model.
Findings
Current CLEO data can significantly constrain light scalar and pseudoscalar boson models.
Radiative quarkonium decays are effective probes for detecting or ruling out light bosons.
The study enhances understanding of potential new physics in the context of quarkonium decays.
Abstract
Light bosons can be found in large classes of theories beyond the Standard Model. These light bosons may not be ruled out by current experiments and, indeed, may even provide an explanation for some anomalous experimental results. The radiative decays of quarkonium () states offer a promising opportunity to investigate such light bosons. Specifically, we investigate the reach that current CLEO data can have on models with light scalar and pseudoscalar bosons.
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