An upper limit on the branching ratio for τ decays into seven charged particles

K Ackerstaff, G Alexander, J Allison, N Altekamp, KJ Anderson, S Anderson, S Arcelli, S Asai, D Axen, G Azuelos, AH Ball, E Barberio, RJ Barlow, R Bartoldus, JR Batley, S Baumann, J Bechtluft, C Beeston, T Behnke, AN Bell Show all