%N 9
%L discovery1338777
%D 2005
%V 72
%A AV Artamonov
%A B Bassalleck
%A B Bhuyan
%A EW Blackmore
%A DA Bryman
%A S Chen
%A IH Chiang
%A I-A Christidi
%A PS Cooper
%A MV Diwan
%A JS Frank
%A T Fujiwara
%A J Hu
%A DE Jaffe
%A S Kabe
%A SH Kettell
%A MM Khabibullin
%A AN Khotjantsev
%A P Kitching
%A M Kobayashi
%A TK Komatsubara
%A A Konaka
%A AP Kozhevnikov
%A YG Kudenko
%A A Kushnirenko
%A LG Landsberg
%A B Lewis
%A KK Li
%A LS Littenberg
%A JA Macdonald
%A J Mildenberger
%A OV Mineev
%A M Miyajima
%A K Mizouchi
%A VA Mukhin
%A N Muramatsu
%A T Nakano
%A M Nomachi
%A T Nomura
%A T Numao
%A VF Obraztsov
%A K Omata
%A DI Patalakha
%A SV Petrenko
%A R Poutissou
%A EJ Ramberg
%A G Redlinger
%A T Sato
%A T Sekiguchi
%A T Shinkawa
%A RC Strand
%A S Sugimoto
%A Y Tamagawa
%A R Tschirhart
%A T Tsunemi
%A DV Vavilov
%A B Viren
%A NV Yershov
%A Y Yoshimura
%A T Yoshioka
%A E Collaborat
%T Upper limit on the branching ratio for the decay pi 0 -> vv(-)
%J PHYSICAL REVIEW D