s, sepa- rated in space by a vector with space and time components Dx' and DT, given by Dx' = tp (e.dakthik — (Wiwi DLk) (45) DT = —tp (co • aDE — sus • Ap) (46) 12 EFTA_R1_01441424 EFTA02403034 where Dpk, DE and DL' are the differences in conserved quantities carried by the two particles, as obse