@article {Hashino:2021dvx,
	title = {Dark matter transient annihilations in the early Universe},
	journal = {Phys. Rev. D},
	volume = {105},
	number = {5},
	year = {2022},
	pages = {055009},
	doi = {10.1103/PhysRevD.105.055009},
	author = {Hashino, Katsuya and Jia Liu and Wang, Xiao-Ping and Xie, Ke-Pan}
}
