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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 />
Γ ( h − h − h + ≥ 0neutralsν τ (ex. K 0 S → π+ π − )(“3-prong”) ) /Γ total Γ 55 /Γ<br />
Γ 55 /Γ = (Γ 62 +Γ 70 +Γ 77 +Γ 78 +Γ 85 +Γ 89 +Γ 93 +Γ 94 +0.285Γ 126 +0.285Γ 128 +<br />
0.9101Γ 150 +0.9101Γ 152 )/Γ<br />
<strong>Data</strong> marked “avg” are highly correlated with data appearing elsewhere in the Listings,<br />
and are therefore used for the average given below but not in the overall fits. “f&a”<br />
marks results used for the fit and the average.<br />
VALUE (%) EVTS DOCUMENT ID TECN COMMENT<br />
14.56 ±0.07 OUR FIT Error includes scale factor of 1.3.<br />
14.61 ±0.06 OUR AVERAGE<br />
14.556±0.105±0.076 f&a 1 ACHARD 01D L3 1992–1995 LEP runs<br />
14.96 ±0.09 ±0.22 f&a 10.4k AKERS 95Y OPAL 1991–1994 LEP runs<br />
•••We use the following data for averages but not for fits. •••<br />
14.652±0.067±0.086 avg SCHAEL 05C ALEP 1991–1995 LEP runs<br />
14.569±0.093±0.048 avg 23k 2 ABREU 01M DLPH 1992–1995 LEP runs<br />
14.22 ±0.10 ±0.37 avg 3 BALEST 95C CLEO E ee<br />
cm ≈ 10.6 GeV<br />
•••We do not use the following data for averages, fits, limits, etc. •••<br />
15.26 ±0.26 ±0.22 ACTON 92H OPAL Repl. by AKERS 95Y<br />
13.3 ±0.3 ±0.8 4 ALBRECHT 92D ARG E ee<br />
cm =9.4–10.6 GeV<br />
14.35<br />
−0.45 +0.40 ±0.24 DECAMP 92C ALEP 1989–1990 LEP runs<br />
2 The correlation coefficients between this measurement and the ABREU 01M measurements<br />
of B(τ → 1-prong) and B(τ → 5-prong) are −0.98 and −0.08 respectively.<br />
1 The correlation coefficients between this measurement and the ACHARD 01D measurements<br />
of B(τ → “1-prong”) and B(τ → “5-prong”) are −0.978 and −0.19 respectively.<br />
3 Not independent of BALEST 95C B(h − h − h + ντ )andB(h − h − h + π 0 ν τ ) values, and<br />
BORTOLETTO 93 B(h − h − h + 2π 0 ν τ )/B(h − h − h + ≥ 0neutralsν τ )value.<br />
4 This ALBRECHT 92D value is not independent of their Γ(μ − νμ ν τ )Γ(e − ν e ν τ )/Γ 2 total<br />
value.<br />
Γ ( h − h − h + ) ν τ /Γtotal Γ 56 /Γ<br />
Γ 56 /Γ = (0.3431Γ 35 +0.3431Γ 37 +Γ 62 +Γ 85 +Γ 93 +0.017Γ 150 )/Γ<br />
<strong>Data</strong> marked “avg” are highly correlated with data appearing elsewhere in the Listings,<br />
and are therefore used for the average given below but not in the overall fits. “f&a”<br />
marks results used for the fit and the average.<br />
VALUE (%) EVTS DOCUMENT ID TECN COMMENT<br />
9.80±0.07 OUR FIT Error includes scale factor of 1.2.<br />
•••We use the following data for averages but not for fits. •••<br />
7.6 ±0.1 ±0.5 avg 7.5k 1 ALBRECHT 96E ARG E ee<br />
cm =9.4–10.6 GeV<br />
•••We do not use the following data for averages, fits, limits, etc. •••<br />
9.92±0.10±0.09 11.2k 2 BUSKULIC 96 ALEP Repl. by SCHAEL 05C<br />
9.49±0.36±0.63 DECAMP 92C ALEP Repl. by SCHAEL 05C<br />
8.7 ±0.7 ±0.3 694 3 BEHREND 90 CELL E ee<br />
cm =35GeV<br />
7.0 ±0.3 ±0.7 1566 4 BAND 87 MAC E ee<br />
cm =29GeV<br />
6.7 ±0.8 ±0.9 5 BURCHAT 87 MRK2 E ee<br />
cm =29GeV<br />
6.4 ±0.4 ±0.9 6 RUCKSTUHL 86 DLCO E ee<br />
cm =29GeV<br />
7.8 ±0.5 ±0.8 890 SCHMIDKE 86 MRK2 E ee cm =29GeV<br />
8.4 ±0.4 ±0.7 1255 6 FERNANDEZ 85 MAC E ee<br />
cm =29GeV<br />
9.7 ±2.0 ±1.3 BEHREND 84 CELL E ee cm = 14,22 GeV<br />
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