@article {Liu:2014cma,
	title = {Signals of a Light Dark Force in the Galactic Center},
	journal = {JHEP},
	volume = {08},
	year = {2015},
	pages = {050},
	doi = {10.1007/JHEP08(2015)050},
	author = {Jia Liu and Weiner, Neal and Xue, Wei}
}
