@misc{iwasaki2023constraint,
  title={A Constraint on the Amount of Hydrogen from the CO Chemistry in Debris Disks},
  author={Kazunari Iwasaki and Hiroshi Kobayashi and Aya E. Higuchi and Yuri Aikawa},
  year={2023},
  eprint={2303.11544},
  archivePrefix={arXiv},
  primaryClass={astro-ph.EP},
  doi={10.3847/1538-4357/acc524},
  url={https://arxiv.org/abs/2303.11544}
}