Research Goals

We explore physics beyond the Standard Model of particle physics using low-energy precision measurement and AMO tools!

See our Research Projects page for details.

Recent News

• Xing Fan has been awarded the FRIB Visiting Scholar Program for Experimental Science 2025.

• The Fan Group will start at Harvard University, Department Physics in July 2025! PhD applications are open through Harvard Physics and Harvard Quantum Science and Engineering

• Xing Fan was selected as a finalist in the 55th DAMOP Deborah Jin Thesis Award

Selected Publications

2025

• “Nuclear Electric Quadrupole Moment-Induced Parity Doubling in Molecules for Symmetry-Violation Searches”
  Xing Fan, Lan Cheng

arXiv:2506.10904, submitted to Phys. Rev. A

• “A cryogenic buffer gas beam source with in-situ ablation target replacement”
  Zhen Han, Zack Lasner, Collin Diver, Peiran Hu, Takahiko Masuda, Xing Wu, Ayami Hiramoto, Maya Watts, Satoshi Uetake, Koji Yoshimura, Xing Fan, Gerald Gabrielse, John M. Doyle, David DeMille

arXiv:2505.11647, submitted to Rev. Sci. Instrum.

• “Quantum Logic Spectroscopy of an Electron and Positron for Precise Tests of the Standard Model”
  X. Fan, A. Noguchi, K. Taniguchi

Phys. Rev. A.111, 042806 (2025)

• “Highly Excited Electron Cyclotron for QCD Axion and Dark-Photon Detection”
  X. Fan, G. Gabrielse, P. W. Graham, H. Ramani, S. S. Y. Wong, Y. Xiao

Phys. Rev. D.111. 075022 (2025)

2023

• “Measurement of the Electron Magnetic Moment”
  X. Fan, T. G. Myers, B. A. D. Sukra, G. Gabrielse,
  Phys. Rev. Lett. 130, 071801 (2023)  arxiv:2209.13084
  - APS's Physics Viewpoint
  - Nature's Research Highlights
  - Phys.org, Science News, Wired

• “One-Electron Quantum Cyclotron as a Milli-eV Dark-Photon Detector”
  X. Fan, G. Gabrielse, P. W. Graham, R. Harnik, T. G. Myers, H. Ramani, B. A. D. Sukra, S. S. Y. Wong, Y. Xiao,
  Phys. Rev. Lett. 129, 261801 (2023)  arXiv:2208.06519
  - Phys.org