Authors: LABELLE P ZEBARJAD SM BURGESS CP

Citation: P. Labelle et al., NONRELATIVISTIC QED AND NEXT-TO-LEADING HYPERFINE SPLITTING IN POSITRONIUM, Physical review. D. Particles and fields, 56(12), 1997, pp. 8053-8061

Authors: HOANG AH LABELLE P ZEBARJAD SM

Citation: Ah. Hoang et al., SINGLE-PHOTON ANNIHILATION CONTRIBUTIONS TO THE POSITRONIUM HYPERFINESPLITTING TO ORDER M(E)ALPHA(6), Physical review letters, 79(18), 1997, pp. 3387-3390