tau - Particle Data Group

Citation: K. Nakamura et al. (Particle Data Group), JP G 37, 075021 (2010) and 2011 partial update for the 2012 edition (URL: http://pdg.lbl.gov)
Γ 78 h − h − h + 3π 0 ν τ [a] ( 2.3 ±0.6 )× 10 −4 S=1.2
Γ 79 K − h + h − ≥ 0neutralsν τ ( 6.35±0.24) × 10 −3 S=1.5
Γ 80 K − h + π − ν τ (ex.K 0 ) ( 4.38±0.19) × 10 −3 S=2.6
Γ 81 K − h + π − π 0 ν τ (ex.K 0 ) ( 8.7 ±1.2 )× 10 −4 S=1.1
Γ 82 K − π + π − ≥ 0neutralsν τ ( 4.85±0.21) × 10 −3 S=1.4
Γ 83 K − π + π − ≥ 0π 0 ν τ (ex.K 0 ) ( 3.75±0.19) × 10 −3 S=1.4
Γ 84 K − π + π − ν τ ( 3.49±0.16) × 10 −3 S=1.9
Γ 85 K − π + π − ν τ (ex.K 0 ) [a] ( 2.94±0.15) × 10 −3 S=2.2
Γ 86 K − ρ 0 ν τ →
( 1.4 ±0.5 )× 10 −3
K − π + π − ν τ
Γ 87 K − π + π − π 0 ν τ ( 1.35±0.14) × 10 −3
Γ 88 K − π + π − π 0 ν τ (ex.K 0 ) ( 8.1 ±1.2 )× 10 −4
Γ 89 K − π + π − π 0 ν τ (ex.K 0 ,η) [a] ( 7.8 ±1.2 )× 10 −4
Γ 90 K − π + π − π 0 ν τ (ex.K 0 ,ω) ( 3.7 ±0.9 )× 10 −4
Γ 91 K − π + K − ≥ 0neut. ν τ < 9 × 10 −4 CL=95%
Γ 92 K − K + π − ≥ 0neut. ν τ ( 1.50±0.06) × 10 −3 S=1.8
Γ 93 K − K + π − ν τ [a] ( 1.44±0.05) × 10 −3 S=1.9
Γ 94 K − K + π − π 0 ν τ [a] ( 6.1 ±2.5 )× 10 −5 S=1.4
Γ 95 K − K + K − ≥ 0neut. ν τ < 2.1 × 10 −3 CL=95%
Γ 96 K − K + K − ν τ ( 3.52±0.21) × 10 −5
Γ 97 K − K + K − ν τ (ex. φ) < 2.5 × 10 −6 CL=90%
Γ 98 K − K + K − π 0 ν τ < 4.8 × 10 −6 CL=90%
Γ 99 π − K + π − ≥ 0neut. ν τ < 2.5 × 10 −3 CL=95%
Γ 100 e − e − e + ν e ν τ ( 2.8 ±1.5 )× 10 −5
Γ 101 μ − e − e + ν μ ν τ < 3.6 × 10 −5 CL=90%
Modes with five charged particles
Γ 102 3h − 2h + ≥ 0neutralsν τ
( 1.02±0.04) × 10 −3 S=1.1
(ex. K 0 S → π− π + )
(“5-prong”)
Γ 103 3h − 2h + ν τ (ex.K 0 ) [a] ( 8.39±0.35) × 10 −4 S=1.1
Γ 104 3h − 2h + π 0 ν τ (ex.K 0 ) [a] ( 1.78±0.27) × 10 −4
Γ 105 3h − 2h + 2π 0 ν τ < 3.4 × 10 −6 CL=90%
Miscellaneous other allowed modes
Γ 106 (5π ) − ν τ ( 7.6 ±0.5 )× 10 −3
Γ 107 4h − 3h + ≥ 0neutralsν τ
< 3.0 × 10 −7 CL=90%
(“7-prong”)
Γ 108 4h − 3h + ν τ < 4.3 × 10 −7 CL=90%
Γ 109 4h − 3h + π 0 ν τ < 2.5 × 10 −7 CL=90%
Γ 110 X − (S=−1)ν τ ( 2.86±0.07) % S=1.3
Γ 111 K ∗ (892) − ≥ 0neutrals ≥
( 1.42±0.18) % S=1.4
0K 0 L ν τ
Γ 112 K ∗ (892) − ν τ ( 1.20±0.07) % S=1.8
Γ 113 K ∗ (892) − ν τ → π − K 0 ν τ ( 7.8 ±0.5 )× 10 −3
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