@article{sun_gao_2014, 
  title={Higgs boson decays toγand invisible particles in the standard model}, 
  volume={89}, 
  DOI={10.1103/physrevd.89.017301}, 
  publisher={American Physical Society (APS)}, 
  author={Sun and Gao}, 
  year={2014}, 
  month={Jan}
  }