@article {koiwai2022first,
	title = {A first glimpse at the shell structure beyond 54Ca: Spectroscopy of 55K, 55Ca, and 57Ca},
	journal = {Physics Letters B},
	volume = {827},
	year = {2022},
	pages = {136953},
	publisher = {North-Holland},
	author = {Koiwai, T and K. Wimmer and Doornenbal, P and Obertelli, A and Barbieri, C and Duguet, T and Holt, JD and Miyagi, T and Navr{\'a}til, P and Ogata, K and others}
}
