∫=c=/) 2/a2 1=Cl explvx ly each normalized √兀 a exp C C ( )  3 3 2 2 exp d d 1   = −  = x x C v v N n             − =  − x x v v C exp d 1 2 2  ( )  = − x x 1 C exp v dv 2 2  12    =  1 each normalized