@article{PhysRevA.84.063420,
  title = {Low-temperature high-density magneto-optical trapping of potassium using the open $4S\ensuremath{\rightarrow}5P$ transition at 405 nm},
  author = {McKay, D. C. and Jervis, D. and Fine, D. J. and Simpson-Porco, J. W. and Edge, G. J. A. and Thywissen, J. H.},
  journal = {Phys. Rev. A},
  volume = {84},
  issue = {6},
  pages = {063420},
  numpages = {8},
  year = {2011},
  month = {Dec},
  publisher = {American Physical Society},
  doi = {10.1103/PhysRevA.84.063420},
  url = {https://link.aps.org/doi/10.1103/PhysRevA.84.063420}
}