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High Energy / Nuclear Theory / RIKEN Seminars

[HET seminar] LAMPOST searches for eV-scale dark photons

by Masha Baryakhtar

US/Eastern
https://bnl.zoomgov.com/j/1612154637?pwd=Z2E5RWhqRXBkMnExQzc3eVBTWTg3UT09

https://bnl.zoomgov.com/j/1612154637?pwd=Z2E5RWhqRXBkMnExQzc3eVBTWTg3UT09

Description

Theories that seek to explain the outstanding puzzles of the Standard Model of particle physics often predict new, light, feebly-interacting particles whose discovery requires novel search strategies. The QCD axion is a unique beyond-the-standard-model particle: it elegantly solves the outstanding strong-CP problem and is a natural dark matter candidate. More general theories include light spin-0 axions and spin-1 dark photons. Their ultraweak interactions and macroscopic wavelengths call for a range of theoretical and experimental approaches to explore the open parameter space. In this talk, I will discuss our experimental proposal based on thin films, in which axion dark matter can efficiently convert to detectable optical photons. I will present new results from the LAMPOST prototype experiment searching for dark photon dark matter.