Results of a Search for Sub-GeV Dark Matter Using 2013 LUX Data. - Akerib DS; Alsum S; Araújo HM; Bai X; Balajthy J; Beltrame P; Bernard EP; Bernstein A; Biesiadzinski TP; Boulton EM; Boxer B; Brás P; et al. (Physical review letters, 2019)