They did not detect the tau directly, but rather discovered anomalous events: We have discovered 64 events of the form e+ + e− → e± + μ∓ + at least two undetected particles for which we have no conventional explanation.
Mereka tidak mendeteksi tau secara langsung, melainkan menemukan peristiwa anomali: "We have discovered 64 events of the form" e+ + e− → e± + μ∓ + setidaknya dua partikel yang tidak terdeteksi for which we have no conventional explanation."