@misc{indiciae08782143b4f8,
  title = {Dark Radiation Constraints on Heavy QCD Axions},
  author = {Dunsky, David I. and Hall, Lawrence J. and Harigaya, Keisuke},
  year = {2024},
  doi = {10.1007/jhep04(2024)130},
  url = {https://www.osti.gov/biblio/2407309},
  note = {Source identifier: 2407309}
}