New physics searches at kaon and hyperon factories

Area of Science:

• Particle physics
• High-energy physics
• Beyond Standard Model physics

Background:

• Rare meson decays (e.g., kaon decays) and hyperon decays are sensitive probes for new physics beyond the Standard Model.
• Kaon decays offer advantages due to small total decay widths and large available datasets.
• Hyperon decays provide complementary information to meson decays.

Purpose of the Study:

• To summarize phenomenological models and the current status of searches in kaon and hyperon decay channels.
• To identify novel search strategies for under-explored decay signatures.
• To demonstrate the potential of next-generation experiments to explore light dark sectors.

Main Methods:

• Comprehensive review of phenomenological models relevant to rare meson and hyperon decays.
• Analysis of existing experimental data and search strategies for kaon and hyperon decay channels.
• Identification of under-explored decay signatures for future investigations.

Main Results:

• A comprehensive list of kaon and hyperon decay channels and their associated phenomenological models is presented.
• New search strategies for under-explored decay signatures are identified.
• The potential for significant advancements in the exploration of light dark sectors is highlighted.

Conclusions:

• Rare meson and hyperon decays are crucial for probing new physics.
• Future experiments with improved sensitivities can lead to a qualitative leap in exploring light dark sectors.
• Under-explored decay signatures offer promising avenues for new discoveries.