- May 12, 2022, 2:30 pm US/Central
- Noah Steinberg, Fermilab
Axion Like Particles (ALPs) naturally appear in many BSM theories as pseudo-goldstones bosons of spontaneously broken symmetries. They may couple to both the fermionic and bosonic sectors of the Standard Model, and exist over a wide range of masses spanning from the sub eV to TeV scale. I will review the motivation for Axion-Like Particles as well as constraints covering the landscape of this mass range. A particular focus will be on the constraints of MeV to TeV scale ALPs which necessitate beam dump or collider experiments. Through an effective field theory perspective, we will take as an example an ALP which couples to Standard model hypercharge, and show how the International Linear Collider (ILC) can constrain this range of masses in both the Giga-Z mode and high energy (250 GeV or 500 GeV) mode.