Search for the Rare Decays B_{s}^{0}→e^{+}e^{-} and B^{0}→e^{+}e^{-}. - Aaij R; Abellán Beteta C; Ackernley T; Adeva B; Adinolfi M; Afsharnia H; Aidala CA; Aiola S; Ajaltouni Z; Akar S; Albicocco P; Albrecht J; et al. (Physical review letters, 2020)