Axions beyond gen 2

Christian Boutan, Gianpaolo Carosi, Leslie J. Rosenberg*, Gray Rybka, K. M. Backes, Chelsea Bartram, Masha Baryakhtar, Mark D. Bird, Caterina Braggio, Dmitry Budker, Raymond T. Co, Edward Daw, Akash Dixit, Andrew A. Geraci, Chang Lee, Soohyung Lee, David Marsh, Ciaran O'hare, Ken'ichi Saikawa, Chiara P. SalemiYannis K. Semertzidis, Andrew Sonnenschein, Aaron Spector, Michael E. Tobar, Julia Vogel, Ariel Zhitnitsky

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations

Abstract

The QCD (Quantum ChromoDynamics) axion emerged as one of the best-motivated dark matter candidates. In 2018, the Axion Dark Matter eXperiment (ADMX), one of the U.S. Department of Energy's "Gen 2"flagship dark-matter projects, demonstrated first sensitivity to the highly plausible "DFSZ"dark matter axion couplings over a small frequency range. We anticipate this development marks the first step in constructing yet more powerful experiments that can explore large swaths of the axion parameter space at high sensitivity and result in a discovery. But, realizing this requires advances in both our understanding of the theory and experiment design. Between 25 January and 27 January 2021, the "Axions Beyond Gen 2 Workshop"was held, where selected members of the community discussed our broad understanding of the QCD axion and charted a course for future experiments having sensitivity and mass reach well beyond the current "Gen 2"experiments. These proceedings are summaries of the topics presented and discussed.

Original languageEnglish (US)
Article number2330012
JournalInternational Journal of Modern Physics A
Volume38
Issue number33-34
DOIs
StatePublished - Dec 10 2023

Keywords

  • Axions
  • QCD axions
  • axion cosmology
  • axion detectors
  • axion production
  • dark matter

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics

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