[1] TRIUMF,VANCOUVER V6T 2A3,BC,CANADA
[2] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
[3] UNIV BRITISH COLUMBIA,DEPT PHYS,VANCOUVER V6T 1W5,BC,CANADA
[4] UNIV BRITISH COLUMBIA,DEPT CHEM,VANCOUVER V6T 1W5,BC,CANADA
[5] SIMON FRASER UNIV,TRIUMF,BURNABY V5A 1S6,BC,CANADA
[6] UNIV TOKYO,MESON SCI LAB,TOKYO 113,JAPAN