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Citation: K. Nakamura et al. (<strong>Particle</strong> <strong>Data</strong> <strong>Group</strong>), JP G 37, 075021 (2010) and 2011 partial update for the 2012 edition (URL: http://pdg.lbl.gov)<br />
Modes with one charged particle<br />
Γ 1 particle − ≥ 0neutrals ≥ 0K 0 ν τ (85.36±0.07) % S=1.3<br />
(“1-prong”)<br />
Γ 2 particle − ≥ 0neutrals ≥ 0K 0 L ν τ (84.72±0.08) % S=1.3<br />
Γ 3 μ − ν μ ν τ [a] (17.39±0.04) % S=1.1<br />
Γ 4 μ − ν μ ν τ γ [b] ( 3.6 ±0.4 )× 10 −3<br />
Γ 5 e − ν e ν τ [a] (17.82±0.04) % S=1.1<br />
Γ 6 e − ν e ν τ γ [b] ( 1.75±0.18) %<br />
Γ 7 h − ≥ 0K 0 L ν τ (12.13±0.07) % S=1.1<br />
Γ 8 h − ν τ (11.61±0.06) % S=1.1<br />
Γ 9 π − ν τ [a] (10.91±0.07) % S=1.1<br />
Γ 10 K − ν τ [a] ( 6.96±0.23) × 10 −3 S=1.1<br />
Γ 11 h − ≥ 1neutralsν τ (37.06±0.10) % S=1.2<br />
Γ 12 h − ≥ 1π 0 ν τ (ex.K 0 ) (36.54±0.10) % S=1.2<br />
Γ 13 h − π 0 ν τ (25.94±0.09) % S=1.1<br />
Γ 14 π − π 0 ν τ [a] (25.51±0.09) % S=1.1<br />
Γ 15 π − π 0 non-ρ(770)ν τ ( 3.0 ±3.2 )× 10 −3<br />
Γ 16 K − π 0 ν τ [a] ( 4.29±0.15) × 10 −3<br />
Γ 17 h − ≥ 2π 0 ν τ (10.85±0.11) % S=1.2<br />
Γ 18 h − 2π 0 ν τ ( 9.51±0.11) % S=1.2<br />
Γ 19 h − 2π 0 ν τ (ex.K 0 ) ( 9.35±0.11) % S=1.2<br />
Γ 20 π − 2π 0 ν τ (ex.K 0 ) [a] ( 9.29±0.11) % S=1.2<br />
Γ 21 π − 2π 0 ν τ (ex.K 0 ), < 9 × 10 −3 CL=95%<br />
scalar<br />
Γ 22 π − 2π 0 ν τ (ex.K 0 ), < 7 × 10 −3 CL=95%<br />
vector<br />
Γ 23 K − 2π 0 ν τ (ex.K 0 ) [a] ( 6.5 ±2.3 )× 10 −4<br />
Γ 24 h − ≥ 3π 0 ν τ ( 1.34±0.07) % S=1.1<br />
Γ 25 h − ≥ 3π 0 ν τ (ex. K 0 ) ( 1.25±0.07) % S=1.1<br />
Γ 26 h − 3π 0 ν τ ( 1.18±0.07) %<br />
Γ 27 π − 3π 0 ν τ (ex.K 0 ) [a] ( 1.04±0.07) %<br />
Γ 28 K − 3π 0 ν τ (ex.K 0 , η) [a] ( 4.9 ±2.2 )× 10 −4 S=1.1<br />
Γ 29 h − 4π 0 ν τ (ex.K 0 ) ( 1.5 ±0.4 )× 10 −3<br />
Γ 30 h − 4π 0 ν τ (ex.K 0 ,η) [a] ( 1.1 ±0.4 )× 10 −3<br />
Γ 31 K − ≥ 0π 0 ≥ 0K 0 ≥ 0γ ν τ ( 1.57±0.04) % S=1.1<br />
Γ 32 K − ≥ 1(π 0 or K 0 or γ) ν τ ( 8.72±0.32) × 10 −3 S=1.1<br />
Modes with K 0 ’s<br />
Γ 33 K 0 S (particles)− ν τ ( 9.2 ±0.4 )× 10 −3 S=1.4<br />
Γ 34 h − K 0 ν τ (10.0 ±0.5 )× 10 −3 S=1.8<br />
Γ 35 π − K 0 ν τ [a] ( 8.4 ±0.4 )× 10 −3 S=2.0<br />
Γ 36 π − K 0 (non-K ∗ (892) − )ν τ ( 5.4 ±2.1 )× 10 −4<br />
Γ 37 K − K 0 ν τ [a] ( 1.59±0.16) × 10 −3<br />
Γ 38 K − K 0 ≥ 0π 0 ν τ ( 3.18±0.23) × 10 −3<br />
Γ 39 h − K 0 π 0 ν τ ( 5.5 ±0.4 )× 10 −3<br />
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