Volume 449 -
The European Physical Society Conference on High Energy Physics (EPS-HEP2023) -
Joint T03+T10 Dark Matter + Searches for New Physics
Invisible ALPs at Belle II
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Pre-published on:
February 13, 2024
Published on:
March 21, 2024
Abstract
We consider an axion-like particle coupled to the Standard Model photons and decaying invisibly at Belle II. We study the $e^+e^-+\text{invisible}$ channel and find that it has the potential to ameliorate the reach from the standard $\gamma+\text{invisible}$ channel for the whole ALP mass range. This is due to a significant Standard Model background suppression that we achieve via some dedicated kinematic variables.
DOI: https://doi.org/10.22323/1.449.0049
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.