LYSO Converter for Photon Detection in Muon Decay Search
Physics#Particle Physics, Detector Development🔬 Research|Analyzed: Jan 3, 2026 16:45•
Published: Dec 30, 2025 13:22
•1 min read
•ArXivAnalysis
This paper is significant because it addresses the critical need for high-precision photon detection in future experiments searching for the rare muon decay μ+ → e+ γ. The development of a LYSO-based active converter with optimized design and excellent performance is crucial for achieving the required sensitivity of 10^-15 in branching ratio. The successful demonstration of the prototype's performance, exceeding design requirements, is a promising step towards realizing these ambitious experimental goals.
Key Takeaways
- •Developed an LYSO-based active converter for photon detection in future μ+ → e+ γ search experiments.
- •Optimized converter thickness and segment dimensions through simulation studies.
- •Fabricated and tested prototype LYSO segments.
- •Achieved a time resolution of 25 ps and a light yield of 10^4 photoelectrons, exceeding design requirements.
Reference / Citation
View Original"The prototypes exhibited excellent performance, achieving a time resolution of 25 ps and a light yield of 10^4 photoelectrons, both substantially surpassing the design requirements."