* * Provided by the lifetime WG: 05-04-2002 hh:mm * * Name Value, err+, err- ! Description * ============ ===================== ========================= * taub 1.564 +0.014 -0.014 ! average B lifetime taubu 1.674 +0.018 -0.018 ! B+ lifetime taubd 1.542 +0.016 -0.016 ! B0 lifetime taubs 1.461 +0.057 -0.057 ! Bs lifetime taulamb 1.208 +0.051 -0.051 ! b-baryon lifetime (not Lambda_b) taulamb_only 1.229 +0.080 -0.080 ! Lambda_b lifetime tauxib 1.390 +0.340 -0.280 ! average Xi_b lifetime taubu/taubd 1.083 +0.017 -0.017 ! B+/B0 lifetime ratio (direct meas) taubd/taub 0.986 +0.014 -0.014 ! B0/ lifetime ratio taubu/taub 1.070 +0.015 -0.015 ! B+/ lifetime ratio taubs/taub 0.936 +0.037 -0.037 ! Bs/ lifetime ratio taulamb/taub 0.772 +0.033 -0.033 ! b-baryon/ lifetime ratio taubs/taubd 0.947 +0.038 -0.038 ! Bs/B0 lifetime ratio taulamb/taubd 0.783 +0.034 -0.034 ! b-baryon/B0 lifetime ratio *====================================== *(*) No correlation assumed for the 'computed' ratios