tau - Particle Data Group

tau - Particle Data Group tau - Particle Data Group

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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 152 h − ωπ 0 ν τ [a] ( 4.1 ±0.4 )× 10 −3 Γ 153 h − ω 2π 0 ν τ ( 1.4 ±0.5 )× 10 −4 Γ 154 h − 2ων τ < 5.4 × 10 −7 CL=90% Γ 155 2h − h + ων τ ( 1.20±0.22) × 10 −4 Lepton Family number (LF ), Lepton number (L), or Baryon number (B) violating modes L means lepton number violation (e.g. τ − → e + π − π − ). Following common usage, LF means lepton family violation and not lepton number violation (e.g. τ − → e − π + π − ). B means baryon number violation. Γ 156 e − γ LF < 3.3 × 10 −8 CL=90% Γ 157 μ − γ LF < 4.4 × 10 −8 CL=90% Γ 158 e − π 0 LF < 8.0 × 10 −8 CL=90% Γ 159 μ − π 0 LF < 1.1 × 10 −7 CL=90% Γ 160 e − K 0 S LF < 2.6 × 10 −8 CL=90% Γ 161 μ − K 0 S LF < 2.3 × 10 −8 CL=90% Γ 162 e − η LF < 9.2 × 10 −8 CL=90% Γ 163 μ − η LF < 6.5 × 10 −8 CL=90% Γ 164 e − ρ 0 LF < 4.6 × 10 −8 CL=90% Γ 165 μ − ρ 0 LF < 2.6 × 10 −8 CL=90% Γ 166 e − ω LF < 1.1 × 10 −7 CL=90% Γ 167 μ − ω LF < 8.9 × 10 −8 CL=90% Γ 168 e − K ∗ (892) 0 LF < 5.9 × 10 −8 CL=90% Γ 169 μ − K ∗ (892) 0 LF < 5.9 × 10 −8 CL=90% Γ 170 e − K ∗ (892) 0 LF < 4.6 × 10 −8 CL=90% Γ 171 μ − K ∗ (892) 0 LF < 7.3 × 10 −8 CL=90% Γ 172 e − η ′ (958) LF < 1.6 × 10 −7 CL=90% Γ 173 μ − η ′ (958) LF < 1.3 × 10 −7 CL=90% Γ 174 e − f 0 (980) → e − π + π − LF < 3.2 × 10 −8 CL=90% Γ 175 μ − f 0 (980) → μ − π + π − LF < 3.4 × 10 −8 CL=90% Γ 176 e − φ LF < 3.1 × 10 −8 CL=90% Γ 177 μ − φ LF < 1.3 × 10 −7 CL=90% Γ 178 e − e + e − LF < 2.7 × 10 −8 CL=90% Γ 179 e − μ + μ − LF < 2.7 × 10 −8 CL=90% Γ 180 e + μ − μ − LF < 1.7 × 10 −8 CL=90% Γ 181 μ − e + e − LF < 1.8 × 10 −8 CL=90% Γ 182 μ + e − e − LF < 1.5 × 10 −8 CL=90% Γ 183 μ − μ + μ − LF < 2.1 × 10 −8 CL=90% Γ 184 e − π + π − LF < 4.4 × 10 −8 CL=90% Γ 185 e + π − π − L < 8.8 × 10 −8 CL=90% Γ 186 μ − π + π − LF < 3.3 × 10 −8 CL=90% Γ 187 μ + π − π − L < 3.7 × 10 −8 CL=90% Γ 188 e − π + K − LF < 5.8 × 10 −8 CL=90% Γ 189 e − π − K + LF < 5.2 × 10 −8 CL=90% HTTP://PDG.LBL.GOV Page 10 Created: 6/16/2011 12:05

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 190 e + π − K − L < 6.7 × 10 −8 CL=90% Γ 191 e − K 0 S K 0 S LF < 7.1 × 10 −8 CL=90% Γ 192 e − K + K − LF < 5.4 × 10 −8 CL=90% Γ 193 e + K − K − L < 6.0 × 10 −8 CL=90% Γ 194 μ − π + K − LF < 1.6 × 10 −7 CL=90% Γ 195 μ − π − K + LF < 1.0 × 10 −7 CL=90% Γ 196 μ + π − K − L < 9.4 × 10 −8 CL=90% Γ 197 μ − K 0 S K 0 S LF < 8.0 × 10 −8 CL=90% Γ 198 μ − K + K − LF < 6.8 × 10 −8 CL=90% Γ 199 μ + K − K − L < 9.6 × 10 −8 CL=90% Γ 200 e − π 0 π 0 LF < 6.5 × 10 −6 CL=90% Γ 201 μ − π 0 π 0 LF < 1.4 × 10 −5 CL=90% Γ 202 e − ηη LF < 3.5 × 10 −5 CL=90% Γ 203 μ − ηη LF < 6.0 × 10 −5 CL=90% Γ 204 e − π 0 η LF < 2.4 × 10 −5 CL=90% Γ 205 μ − π 0 η LF < 2.2 × 10 −5 CL=90% Γ 206 p γ L,B < 3.5 × 10 −6 CL=90% Γ 207 p π 0 L,B < 1.5 × 10 −5 CL=90% Γ 208 p 2π 0 L,B < 3.3 × 10 −5 CL=90% Γ 209 p η L,B < 8.9 × 10 −6 CL=90% Γ 210 p π 0 η L,B < 2.7 × 10 −5 CL=90% Γ 211 Λπ − L,B < 7.2 × 10 −8 CL=90% Γ 212 Λπ − L,B < 1.4 × 10 −7 CL=90% Γ 213 e − light boson LF < 2.7 × 10 −3 CL=95% Γ 214 μ − light boson LF < 5 × 10 −3 CL=95% [a] Basis mode for the τ. [b] See the Particle Listings below for the energy limits used in this measurement. HTTP://PDG.LBL.GOV Page 11 Created: 6/16/2011 12:05

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 />

Γ 152 h − ωπ 0 ν τ [a] ( 4.1 ±0.4 )× 10 −3<br />

Γ 153 h − ω 2π 0 ν τ ( 1.4 ±0.5 )× 10 −4<br />

Γ 154 h − 2ων τ < 5.4 × 10 −7 CL=90%<br />

Γ 155 2h − h + ων τ ( 1.20±0.22) × 10 −4<br />

Lepton Family number (LF ), Lepton number (L),<br />

or Baryon number (B) violating modes<br />

L means lepton number violation (e.g. τ − → e + π − π − ). Following<br />

common usage, LF means lepton family violation and not lepton number<br />

violation (e.g. τ − → e − π + π − ). B means baryon number violation.<br />

Γ 156 e − γ LF < 3.3 × 10 −8 CL=90%<br />

Γ 157 μ − γ LF < 4.4 × 10 −8 CL=90%<br />

Γ 158 e − π 0 LF < 8.0 × 10 −8 CL=90%<br />

Γ 159 μ − π 0 LF < 1.1 × 10 −7 CL=90%<br />

Γ 160 e − K 0 S<br />

LF < 2.6 × 10 −8 CL=90%<br />

Γ 161 μ − K 0 S<br />

LF < 2.3 × 10 −8 CL=90%<br />

Γ 162 e − η LF < 9.2 × 10 −8 CL=90%<br />

Γ 163 μ − η LF < 6.5 × 10 −8 CL=90%<br />

Γ 164 e − ρ 0 LF < 4.6 × 10 −8 CL=90%<br />

Γ 165 μ − ρ 0 LF < 2.6 × 10 −8 CL=90%<br />

Γ 166 e − ω LF < 1.1 × 10 −7 CL=90%<br />

Γ 167 μ − ω LF < 8.9 × 10 −8 CL=90%<br />

Γ 168 e − K ∗ (892) 0 LF < 5.9 × 10 −8 CL=90%<br />

Γ 169 μ − K ∗ (892) 0 LF < 5.9 × 10 −8 CL=90%<br />

Γ 170 e − K ∗ (892) 0 LF < 4.6 × 10 −8 CL=90%<br />

Γ 171 μ − K ∗ (892) 0 LF < 7.3 × 10 −8 CL=90%<br />

Γ 172 e − η ′ (958) LF < 1.6 × 10 −7 CL=90%<br />

Γ 173 μ − η ′ (958) LF < 1.3 × 10 −7 CL=90%<br />

Γ 174 e − f 0 (980) → e − π + π − LF < 3.2 × 10 −8 CL=90%<br />

Γ 175 μ − f 0 (980) → μ − π + π − LF < 3.4 × 10 −8 CL=90%<br />

Γ 176 e − φ LF < 3.1 × 10 −8 CL=90%<br />

Γ 177 μ − φ LF < 1.3 × 10 −7 CL=90%<br />

Γ 178 e − e + e − LF < 2.7 × 10 −8 CL=90%<br />

Γ 179 e − μ + μ − LF < 2.7 × 10 −8 CL=90%<br />

Γ 180 e + μ − μ − LF < 1.7 × 10 −8 CL=90%<br />

Γ 181 μ − e + e − LF < 1.8 × 10 −8 CL=90%<br />

Γ 182 μ + e − e − LF < 1.5 × 10 −8 CL=90%<br />

Γ 183 μ − μ + μ − LF < 2.1 × 10 −8 CL=90%<br />

Γ 184 e − π + π − LF < 4.4 × 10 −8 CL=90%<br />

Γ 185 e + π − π − L < 8.8 × 10 −8 CL=90%<br />

Γ 186 μ − π + π − LF < 3.3 × 10 −8 CL=90%<br />

Γ 187 μ + π − π − L < 3.7 × 10 −8 CL=90%<br />

Γ 188 e − π + K − LF < 5.8 × 10 −8 CL=90%<br />

Γ 189 e − π − K + LF < 5.2 × 10 −8 CL=90%<br />

HTTP://PDG.LBL.GOV Page 10 Created: 6/16/2011 12:05

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