Lepton-flavor violating axions at MEG II
Yongsoo Jho, Simon Knapen, Diego Redigolo
TL;DR
This paper evaluates MEG II's potential to detect lepton-flavor violating axion-like particles via muon decay, proposing improved detection strategies and estimating significant discovery prospects within a short data collection period.
Contribution
It introduces a novel search for lepton-flavor violating axions at MEG II and suggests optimized trigger strategies to enhance detection sensitivity.
Findings
MEG II can significantly improve sensitivity to lepton-flavor violating axions.
A dedicated run with reduced beam intensity can enhance signal efficiency.
Potential to establish a world-leading measurement within one month.
Abstract
We study the sensitivity of the existing MEG data to lepton flavor violating axion-like particles produced through and estimate the discovery potential for the upcoming MEG II experiment in this channel. The MEG II signal efficiency can be improved significantly if a new trigger can be implemented in a dedicated run with a reduced beam intensity. This search would establish the world leading measurement in this channel with only 1 month of data taking.
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Taxonomy
TopicsDark Matter and Cosmic Phenomena · Particle physics theoretical and experimental studies · Cosmology and Gravitation Theories