Equation Icon  M ′ = − -G- (Qij′′′Qij′′′ + Qij ′′′Qij ′′′ ) (326 ) B 5c7 Mass Mass Spin Spin -2- ( i′′ i′′ i′′ i′′) --1---( ij′′′ ij′′′ ij′′′ ij′′′) − 3c5 D ED E + D M D M − 180c7 Q E Q E + Q M Q M .