2009-08-15: Summer 2009 ======================= Contact: Martin.Grunewald@cern.ch Summer 2009: Changes in experimental inputs w.r.t. winter 2009 * New Tevatron MW average (D0-RunII result) * Hence new world average for MW 2009-03-13: Winter 2009 ======================= Contact: Martin.Grunewald@cern.ch Winter 2009: Changes in experimental inputs w.r.t. summer 2008 * New Tevatron Mtop (preliminary, March 2009) Summer 2008: Changes in experimental inputs w.r.t. winter 2008 * New Tevatron Mtop (preliminary, July 2008) * New Tevatron MW and GW averages * Hence new world averages for MW and GW Winter 2008: Changes in experimental inputs w.r.t. winter 2007 * New Tevatron Mtop (preliminary, Mar. 2008) * New Tevatron MW and GW averages * Hence new world averages for MW and GW Winter 2007: Changes in experimental inputs w.r.t. summer 2006 * New Tevatron Mtop (preliminary, Mar. 2007) * New Tevatron MW (preliminary, CDF Run-II, Jan. 2007) * Hence new world averages for MW and GW Summer 2006: Changes in experimental inputs w.r.t. winter 2006 * New Tevatron Mtop * New LEP-2 MW and GW combination (ADLO final, but combination preliminary) * Hence new world averages for MW and GW Winter 2006: Changes in experimental inputs w.r.t. summer 2005 * New Tevatron Mtop * New Tevatron GW * New LEP-2 MW and GW combination (ALO final) * Hence new world averages for MW and GW Summer 2005: Changes in experimental inputs w.r.t. z-pole 2005 * New Tevatron Mtop (not just LP05 but EPS05 value!) * New LEP-2 (and thus world) MW and GW combination (OPAL final!) Z-pole 2005: Changes in experimental inputs w.r.t. winter 2005 * Change in gamma_b of STU fit due to re-definition of gamma_b. * Really final Z-pole HF combination * New dal5had hadronic vacuum polarisation * New ZFITTER 6.42 Note: Now all LEP+SLD Z-pole results are really final! SM input parameters =================== \Delta\alpha(5)had = 0.02758 (Burkhardt/Pietrzyk Feb. 2005) \alpha_s = 0.118 z_mass = 91.1875 t_mass = 175.0 h_mass = 150.0 used for the calculation of SM remnants if needed. NEW: ZFITTER 6.43 of 17-JUNE-2008: complete two-loop calculations for MW and fermionic two-loop calculations for sin2teff (and bug fix). SM initialisation ZFITTER flag values: AFBC: 1 SCAL: 0 SCRE: 0 AMT4: 6 BORN: 0 BOXD: 1 CONV: 1 FINR: 1 FOT2: 3 GAMS: 1 DIAG: 1 INTF: 1 BARB: 2 PART: 0 POWR: 1 PRNT: 0 ALEM: 2 QCDC: 3 VPOL: 1 WEAK: 1 FTJR: 1 EXPR: 0 EXPF: 0 HIGS: 0 AFMT: 3 CZAK: 1 PREC:10 HIG2: 0 ALE2: 3 GFER: 2 ISPP: 2 FSRS: 1 MISC: 0 MISD: 1 IPFC: 5 IPSC: 0 IPTO: 3 FBHO: 0 FSPP: 0 FUNA: 0 ASCR: 1 SFSR: 1 ENUE: 1 TUPV: 1 DMWW: 0 DSWW: 0 MSM fits ======== z2: Z-pole (LEP-I + SLD) (for comparison in 2-dim MT/MW plane) z3: Z-pole plus direct MT (for best MW prediction) z4: Z-pole plus direct MW,GW (for best MT prediction) The fit everyone wants: ----------------------- z5: Z-pole plus direct MW,GW,MT (all high-Q2 stuff) Special fits: ------------- z5a: Z-pole plus direct MW,GW,MT (pQCD alpha) z5b: Z-pole plus direct MW,GW,MT (no alpha) Fit including low-Q2 data Blue-band studies z2: Z-pole (LEP-I + SLD) (for comparison in 2-dim MT/MW plane) ---------------------------------------------------------------------- Parameter =-= Mean -= Symmetric =-= Asymmetric Errors =-=-=-= i_alpha = 0.02759 +- 0.00034 + 0.00035 - 0.00035 alpha_s = 0.1190 +- 0.0027 + 0.0028 - 0.0027 z_mass = 91.1874 +- 0.0021 + 0.0021 - 0.0021 t_mass = 173. +- 11. + 13. - 10. h_mass = 111. +- 111. + 190. - 60. TR> LOGA > 2.05 +- 0.39 + 0.43 - 0.34 CHI2/NDF = 16.019348 / 10 PROBABIL [%] = 9.9079876 =-=-= Correlation Matrix =-=-= i_alpha | 0.595 | 1.000 -0.039 -0.006 -0.023 -0.293 alpha_s | 0.274 | -0.039 1.000 -0.030 0.190 0.249 z_mass | 0.126 | -0.006 -0.030 1.000 -0.071 -0.024 t_mass | 0.923 | -0.023 0.190 -0.071 1.000 0.887 h_mass | 0.931 | -0.293 0.249 -0.024 0.887 1.000 Derived quantities: sef2_el = 0.23149 +- 0.00016 + 0.00016 - 0.00016 sin2_w = 0.22331 +- 0.00062 + 0.00062 - 0.00061 w_mass = 80.363 +- 0.032 + 0.032 - 0.032 gw_tot = 2.0910 +- 0.0029 + 0.0029 - 0.0029 ID CHID <-------input------><-----corrected----><-theory-><-pull> ------------------------------------------------------------------------ 1 z_mass 91.18750 0.00210 91.18750 0.00210 91.18738 0.057 2 gz_tot 2.49520 0.00230 2.49520 0.00230 2.49564 -0.191 3 xz_hadr 41.5400 0.0370 41.5400 0.0370 41.4756 1.741 4 r_elec 20.7670 0.0250 20.7670 0.0250 20.7445 0.902 5 az_elec 0.017140 0.000950 0.017140 0.000950 0.016268 0.918 6 pz_elec 0.14648 0.00325 0.14648 0.00325 0.14728 -0.245 7 r_bb 0.216290 0.000660 0.216290 0.000660 0.215825 0.704 8 r_cc 0.17210 0.00300 0.17210 0.00300 0.17225 -0.049 9 az_bb 0.09920 0.00160 0.09920 0.00160 0.10324 -2.523 10 az_cc 0.07070 0.00350 0.07070 0.00350 0.07378 -0.881 11 a_bb 0.9230 0.0200 0.9230 0.0200 0.9346 -0.581 12 a_cc 0.6700 0.0270 0.6700 0.0270 0.6680 0.075 13 a_elec 0.15130 0.00207 0.15130 0.00207 0.14728 1.943 14 i_alpha 0.027580 0.000350 0.027580 0.000350 0.027592 -0.035 15 sef2_el 0.23240 0.00120 0.23240 0.00120 0.23149 0.759 z3: Z-pole plus direct MT (for best MW prediction) --------------------------------------------------------- Parameter =-= Mean -= Symmetric =-= Asymmetric Errors =-=-=-= i_alpha = 0.02759 +- 0.00035 + 0.00035 - 0.00035 alpha_s = 0.1190 +- 0.0027 + 0.0027 - 0.0027 z_mass = 91.1874 +- 0.0021 + 0.0021 - 0.0021 t_mass = 173.1 +- 1.3 + 1.3 - 1.3 h_mass = 115. +- 49. + 58. - 40. TR> LOGA > 2.06 +- 0.18 + 0.18 - 0.19 CHI2/NDF = 16.021482 / 11 PROBABIL [%] = 14.033522 =-=-= Correlation Matrix =-=-= i_alpha | 0.596 | 1.000 -0.040 -0.008 -0.004 -0.578 alpha_s | 0.207 | -0.040 1.000 -0.017 0.023 0.184 z_mass | 0.106 | -0.008 -0.017 1.000 -0.008 0.081 t_mass | 0.262 | -0.004 0.023 -0.008 1.000 0.213 h_mass | 0.640 | -0.578 0.184 0.081 0.213 1.000 Derived quantities: sef2_el = 0.23149 +- 0.00016 + 0.00016 - 0.00016 sin2_w = 0.22329 +- 0.00040 + 0.00041 - 0.00038 w_mass = 80.364 +- 0.020 + 0.020 - 0.021 gw_tot = 2.0911 +- 0.0017 + 0.0016 - 0.0017 ID CHID <-------input------><-----corrected----><-theory-><-pull> ------------------------------------------------------------------------ 1 z_mass 91.18750 0.00210 91.18750 0.00210 91.18737 0.061 2 gz_tot 2.49520 0.00230 2.49520 0.00230 2.49569 -0.214 3 xz_hadr 41.5400 0.0370 41.5400 0.0370 41.4758 1.734 4 r_elec 20.7670 0.0250 20.7670 0.0250 20.7441 0.914 5 az_elec 0.017140 0.000950 0.017140 0.000950 0.016267 0.919 6 pz_elec 0.14648 0.00325 0.14648 0.00325 0.14727 -0.244 7 r_bb 0.216290 0.000660 0.216290 0.000660 0.215808 0.731 8 r_cc 0.17210 0.00300 0.17210 0.00300 0.17225 -0.050 9 az_bb 0.09920 0.00160 0.09920 0.00160 0.10323 -2.520 10 az_cc 0.07070 0.00350 0.07070 0.00350 0.07378 -0.880 11 a_bb 0.9230 0.0200 0.9230 0.0200 0.9346 -0.581 12 a_cc 0.6700 0.0270 0.6700 0.0270 0.6680 0.075 13 a_elec 0.15130 0.00207 0.15130 0.00207 0.14727 1.946 14 i_alpha 0.027580 0.000350 0.027580 0.000350 0.027592 -0.033 15 sef2_el 0.23240 0.00120 0.23240 0.00120 0.23149 0.758 16 t_mass 173.10 1.30 173.10 1.30 173.09 0.005 z4: Z-pole plus direct MW,GW (for best MT prediction) --------------------------------------------------------- Parameter =-= Mean -= Symmetric =-= Asymmetric Errors =-=-=-= i_alpha = 0.02765 +- 0.00034 + 0.00034 - 0.00034 alpha_s = 0.1190 +- 0.0028 + 0.0029 - 0.0028 z_mass = 91.1873 +- 0.0021 + 0.0021 - 0.0021 t_mass = 179.3 +- 9.9 + 11.6 - 8.5 h_mass = 147. +- 150. + 243. - 82. TR> LOGA > 2.17 +- 0.39 + 0.42 - 0.35 CHI2/NDF = 16.867348 / 12 PROBABIL [%] = 15.465575 =-=-= Correlation Matrix =-=-= i_alpha | 0.602 | 1.000 -0.071 -0.005 -0.191 -0.367 alpha_s | 0.370 | -0.071 1.000 -0.029 0.350 0.363 z_mass | 0.167 | -0.005 -0.029 1.000 -0.057 -0.009 t_mass | 0.959 | -0.191 0.350 -0.057 1.000 0.943 h_mass | 0.964 | -0.367 0.363 -0.009 0.943 1.000 Derived quantities: sef2_el = 0.23143 +- 0.00014 + 0.00014 - 0.00014 sin2_w = 0.22286 +- 0.00036 + 0.00036 - 0.00036 w_mass = 80.387 +- 0.018 + 0.018 - 0.019 gw_tot = 2.0929 +- 0.0020 + 0.0020 - 0.0020 ID CHID <-------input------><-----corrected----><-theory-><-pull> ------------------------------------------------------------------------ 1 z_mass 91.18750 0.00210 91.18750 0.00210 91.18734 0.078 2 gz_tot 2.49520 0.00230 2.49520 0.00230 2.49647 -0.552 3 xz_hadr 41.5400 0.0370 41.5400 0.0370 41.4802 1.617 4 r_elec 20.7670 0.0250 20.7670 0.0250 20.7394 1.104 5 az_elec 0.017140 0.000950 0.017140 0.000950 0.016374 0.806 6 pz_elec 0.14648 0.00325 0.14648 0.00325 0.14776 -0.393 7 r_bb 0.216290 0.000660 0.216290 0.000660 0.215593 1.057 8 r_cc 0.17210 0.00300 0.17210 0.00300 0.17232 -0.072 9 az_bb 0.09920 0.00160 0.09920 0.00160 0.10357 -2.729 10 az_cc 0.07070 0.00350 0.07070 0.00350 0.07405 -0.957 11 a_bb 0.9230 0.0200 0.9230 0.0200 0.9346 -0.578 12 a_cc 0.6700 0.0270 0.6700 0.0270 0.6682 0.067 13 a_elec 0.15130 0.00207 0.15130 0.00207 0.14776 1.711 14 i_alpha 0.027580 0.000350 0.027580 0.000350 0.027645 -0.187 15 sef2_el 0.23240 0.00120 0.23240 0.00120 0.23143 0.810 16 w_mass 80.3990 0.0230 80.3990 0.0230 80.3866 0.538 17 gw_tot 2.0980 0.0480 2.0980 0.0480 2.0929 0.106 z5: Z-pole plus direct MW,GW,MT (all high-Q2 stuff) ---------------------------------------------------- Parameter =-= Mean -= Symmetric =-= Asymmetric Errors =-=-=-= i_alpha = 0.02768 +- 0.00033 + 0.00034 - 0.00033 alpha_s = 0.1185 +- 0.0026 + 0.0026 - 0.0026 z_mass = 91.1874 +- 0.0021 + 0.0021 - 0.0021 t_mass = 173.2 +- 1.3 + 1.3 - 1.3 h_mass = 87. +- 31. + 35. - 26. TR> LOGA > 1.94 +- 0.15 + 0.15 - 0.16 CHI2/NDF = 17.334852 / 13 PROBABIL [%] = 18.444521 =-=-= Correlation Matrix =-=-= i_alpha | 0.589 | 1.000 0.020 -0.009 -0.016 -0.557 alpha_s | 0.101 | 0.020 1.000 -0.017 0.029 0.067 z_mass | 0.146 | -0.009 -0.017 1.000 -0.015 0.109 t_mass | 0.378 | -0.016 0.029 -0.015 1.000 0.318 h_mass | 0.650 | -0.557 0.067 0.109 0.318 1.000 Derived quantities: sef2_el = 0.23138 +- 0.00013 + 0.00013 - 0.00013 sin2_w = 0.22301 +- 0.00028 + 0.00029 - 0.00028 w_mass = 80.379 +- 0.015 + 0.014 - 0.015 gw_tot = 2.0919 +- 0.0014 + 0.0014 - 0.0014 Low energy: sin_ms = 0.23109 +- 0.00012 + 0.00013 - 0.00013 qw_cs = -72.910 +- 0.028 + 0.030 - 0.029 gl2_nud = 0.30399 +- 0.00015 + 0.00016 - 0.00017 gr2_nud = 0.030116 +- 0.000025 + 0.000026 - 0.000027 ID CHID <-------input------><-----corrected----><-theory-><-pull> ------------------------------------------------------------------------ 1 z_mass 91.18750 0.00210 91.18750 0.00210 91.18744 0.026 2 gz_tot 2.49520 0.00230 2.49520 0.00230 2.49594 -0.320 3 xz_hadr 41.5400 0.0370 41.5400 0.0370 41.4783 1.666 4 r_elec 20.7670 0.0250 20.7670 0.0250 20.7422 0.991 5 az_elec 0.017140 0.000950 0.017140 0.000950 0.016451 0.725 6 pz_elec 0.14648 0.00325 0.14648 0.00325 0.14810 -0.500 7 r_bb 0.216290 0.000660 0.216290 0.000660 0.215792 0.754 8 r_cc 0.17210 0.00300 0.17210 0.00300 0.17225 -0.050 9 az_bb 0.09920 0.00160 0.09920 0.00160 0.10382 -2.888 10 az_cc 0.07070 0.00350 0.07070 0.00350 0.07424 -1.011 11 a_bb 0.9230 0.0200 0.9230 0.0200 0.9347 -0.583 12 a_cc 0.6700 0.0270 0.6700 0.0270 0.6683 0.061 13 a_elec 0.15130 0.00207 0.15130 0.00207 0.14810 1.544 14 i_alpha 0.027580 0.000350 0.027580 0.000350 0.027679 -0.284 15 sef2_el 0.23240 0.00120 0.23240 0.00120 0.23138 0.846 16 w_mass 80.3990 0.0230 80.3990 0.0230 80.3790 0.871 17 gw_tot 2.0980 0.0480 2.0980 0.0480 2.0919 0.126 18 t_mass 173.10 1.30 173.10 1.30 173.24 -0.110 z5a: Z-pole plus direct MW,GW,MT (pQCD alpha) --------------------------------------------- Parameter =-= Mean -= Symmetric =-= Asymmetric Errors =-=-=-= i_alpha = 0.02750 +- 0.00012 + 0.00012 - 0.00012 alpha_s = 0.1185 +- 0.0026 + 0.0026 - 0.0026 z_mass = 91.1875 +- 0.0021 + 0.0021 - 0.0021 t_mass = 173.3 +- 1.3 + 1.3 - 1.3 h_mass = 96. +- 28. + 31. - 25. TR> LOGA > 1.98 +- 0.13 + 0.12 - 0.13 CHI2/NDF = 17.575159 / 13 PROBABIL [%] = 17.432657 =-=-= Correlation Matrix =-=-= i_alpha | 0.249 | 1.000 0.005 -0.003 -0.006 -0.231 alpha_s | 0.108 | 0.005 1.000 -0.015 0.033 0.099 z_mass | 0.148 | -0.003 -0.015 1.000 -0.014 0.126 t_mass | 0.379 | -0.006 0.033 -0.014 1.000 0.365 h_mass | 0.459 | -0.231 0.099 0.126 0.365 1.000 Derived quantities: sef2_el = 0.23137 +- 0.00012 + 0.00012 - 0.00013 sin2_w = 0.22305 +- 0.00028 + 0.00028 - 0.00027 w_mass = 80.377 +- 0.014 + 0.014 - 0.014 gw_tot = 2.0918 +- 0.0014 + 0.0014 - 0.0014 ID CHID <-------input------><-----corrected----><-theory-><-pull> ------------------------------------------------------------------------ 1 z_mass 91.18750 0.00210 91.18750 0.00210 91.18745 0.022 2 gz_tot 2.49520 0.00230 2.49520 0.00230 2.49590 -0.305 3 xz_hadr 41.5400 0.0370 41.5400 0.0370 41.4783 1.666 4 r_elec 20.7670 0.0250 20.7670 0.0250 20.7424 0.984 5 az_elec 0.017140 0.000950 0.017140 0.000950 0.016478 0.696 6 pz_elec 0.14648 0.00325 0.14648 0.00325 0.14823 -0.538 7 r_bb 0.216290 0.000660 0.216290 0.000660 0.215794 0.752 8 r_cc 0.17210 0.00300 0.17210 0.00300 0.17225 -0.050 9 az_bb 0.09920 0.00160 0.09920 0.00160 0.10391 -2.943 10 az_cc 0.07070 0.00350 0.07070 0.00350 0.07431 -1.030 11 a_bb 0.9230 0.0200 0.9230 0.0200 0.9347 -0.584 12 a_cc 0.6700 0.0270 0.6700 0.0270 0.6684 0.059 13 a_elec 0.15130 0.00207 0.15130 0.00207 0.14823 1.484 14 i_alpha 0.027490 0.000120 0.027490 0.000120 0.027504 -0.113 15 sef2_el 0.23240 0.00120 0.23240 0.00120 0.23137 0.859 16 w_mass 80.3990 0.0230 80.3990 0.0230 80.3770 0.956 17 gw_tot 2.0980 0.0480 2.0980 0.0480 2.0918 0.129 18 t_mass 173.10 1.30 173.10 1.30 173.25 -0.118 z5b: Z-pole plus direct MW,GW,MT (no alpha) ------------------------------------------- Parameter =-= Mean -= Symmetric =-= Asymmetric Errors =-=-=-= i_alpha = 0.02899 +- 0.00115 + 0.00097 - 0.00128 alpha_s = 0.1191 +- 0.0028 + 0.0029 - 0.0028 z_mass = 91.1874 +- 0.0021 + 0.0021 - 0.0021 t_mass = 173.2 +- 1.3 + 1.3 - 1.3 h_mass = 38. +- 37. + 53. - 20. TR> LOGA > 1.58 +- 0.35 + 0.38 - 0.32 CHI2/NDF = 16.203775 / 12 PROBABIL [%] = 18.208004 =-=-= Correlation Matrix =-=-= i_alpha | 0.931 | 1.000 0.356 0.054 0.069 -0.920 alpha_s | 0.359 | 0.356 1.000 -0.011 0.009 -0.341 z_mass | 0.128 | 0.054 -0.011 1.000 -0.030 -0.015 t_mass | 0.338 | 0.069 0.009 -0.030 1.000 0.063 h_mass | 0.930 | -0.920 -0.341 -0.015 0.063 1.000 Derived quantities: sef2_el = 0.23148 +- 0.00015 + 0.00015 - 0.00016 sin2_w = 0.22277 +- 0.00029 + 0.00035 - 0.00025 w_mass = 80.392 +- 0.015 + 0.013 - 0.018 gw_tot = 2.0927 +- 0.0013 + 0.0013 - 0.0014 ID CHID <-------input------><-----corrected----><-theory-><-pull> ------------------------------------------------------------------------ 1 z_mass 91.18750 0.00210 91.18750 0.00210 91.18745 0.026 2 gz_tot 2.49520 0.00230 2.49520 0.00230 2.49563 -0.186 3 xz_hadr 41.5400 0.0370 41.5400 0.0370 41.4760 1.730 4 r_elec 20.7670 0.0250 20.7670 0.0250 20.7441 0.915 5 az_elec 0.017140 0.000950 0.017140 0.000950 0.016291 0.894 6 pz_elec 0.14648 0.00325 0.14648 0.00325 0.14738 -0.277 7 r_bb 0.216290 0.000660 0.216290 0.000660 0.215778 0.776 8 r_cc 0.17210 0.00300 0.17210 0.00300 0.17226 -0.053 9 az_bb 0.09920 0.00160 0.09920 0.00160 0.10330 -2.565 10 az_cc 0.07070 0.00350 0.07070 0.00350 0.07384 -0.897 11 a_bb 0.9230 0.0200 0.9230 0.0200 0.9346 -0.579 12 a_cc 0.6700 0.0270 0.6700 0.0270 0.6680 0.073 13 a_elec 0.15130 0.00207 0.15130 0.00207 0.14738 1.894 14 sef2_el 0.23240 0.00120 0.23240 0.00120 0.23148 0.770 15 w_mass 80.3990 0.0230 80.3990 0.0230 80.3916 0.321 16 gw_tot 2.0980 0.0480 2.0980 0.0480 2.0927 0.111 17 t_mass 173.10 1.30 173.10 1.30 173.21 -0.087 Fit including low-Q2 data (NuTeV result in form of gl2, gr2) ============================================================ Parameter =-= Mean -= Symmetric =-= Asymmetric Errors =-=-=-= i_alpha = 0.02767 +- 0.00034 + 0.00034 - 0.00034 alpha_s = 0.1187 +- 0.0026 + 0.0026 - 0.0026 z_mass = 91.1875 +- 0.0021 + 0.0021 - 0.0021 t_mass = 173.2 +- 1.3 + 1.3 - 1.3 h_mass = 97. +- 34. + 38. - 29. TR> LOGA > 1.99 +- 0.15 + 0.14 - 0.15 CHI2/NDF = 27.459026 / 17 PROBABIL [%] = 5.1670055 =-=-= Correlation Matrix =-=-= i_alpha | 0.596 | 1.000 0.012 -0.012 -0.024 -0.564 alpha_s | 0.107 | 0.012 1.000 -0.015 0.035 0.078 z_mass | 0.150 | -0.012 -0.015 1.000 -0.012 0.114 t_mass | 0.389 | -0.024 0.035 -0.012 1.000 0.330 h_mass | 0.661 | -0.564 0.078 0.114 0.330 1.000 Derived quantities: sef2_el = 0.23143 +- 0.00013 + 0.00012 - 0.00013 sin2_w = 0.22313 +- 0.00029 + 0.00029 - 0.00028 w_mass = 80.373 +- 0.015 + 0.014 - 0.015 gw_tot = 2.0916 +- 0.0014 + 0.0014 - 0.0015 ID CHID <-------input------><-----corrected----><-theory-><-pull> ------------------------------------------------------------------------ 1 z_mass 91.18750 0.00210 91.18750 0.00210 91.18750 0.000 2 gz_tot 2.49520 0.00230 2.49520 0.00230 2.49585 -0.282 3 xz_hadr 41.5400 0.0370 41.5400 0.0370 41.4771 1.699 4 r_elec 20.7670 0.0250 20.7670 0.0250 20.7430 0.958 5 az_elec 0.017140 0.000950 0.017140 0.000950 0.016364 0.817 6 pz_elec 0.14648 0.00325 0.14648 0.00325 0.14771 -0.379 7 r_bb 0.216290 0.000660 0.216290 0.000660 0.215800 0.743 8 r_cc 0.17210 0.00300 0.17210 0.00300 0.17225 -0.050 9 az_bb 0.09920 0.00160 0.09920 0.00160 0.10354 -2.715 10 az_cc 0.07070 0.00350 0.07070 0.00350 0.07402 -0.950 11 a_bb 0.9230 0.0200 0.9230 0.0200 0.9346 -0.582 12 a_cc 0.6700 0.0270 0.6700 0.0270 0.6682 0.068 13 a_elec 0.15130 0.00207 0.15130 0.00207 0.14771 1.733 14 i_alpha 0.027580 0.000350 0.027580 0.000350 0.027668 -0.252 15 sef2_el 0.23240 0.00120 0.23240 0.00120 0.23143 0.805 16 w_mass 80.3990 0.0230 80.3990 0.0230 80.3729 1.135 17 gw_tot 2.0980 0.0480 2.0980 0.0480 2.0916 0.133 18 t_mass 173.10 1.30 173.10 1.30 173.16 -0.046 19 gl2_nud 0.30005 0.00137 0.30005 0.00137 0.30392 -2.825 20 gr2_nud 0.03076 0.00110 0.03076 0.00110 0.03012 0.579 21 sin_ms 0.23300 0.00150 0.23300 0.00150 0.23114 1.237 22 qw_cs -72.740 0.460 -72.740 0.460 -72.920 0.390 Blue-band studies: ================== For ZFITTER 6.41 and later (currently 6.43), and flag AMT4=6 fixed, two flags govern the theory uncertainties in the complete two-loop calculations of MW (DMWW=+-1: +-4 MeV) and fermionic two-loop calculations of sin2teff (DSWW=+-1: +-4.9D-5). The theory uncertainty for the Higgs-mass prediction is dominated by DSWW. Extrema in Higgs mass from ZFITTER: t_mass h_mass limit Maximal h_mass DSWW=-1 173.26 92.1 156.8 Default setting 173.24 87.3 149.8 Minimal h_mass DSWW=+1 173.22 82.7 143.0 The blue band will be the area enclosed by the two ZFITTER DSWW=+-1 \Delta\chi^2 curves. The one-sided 95%CL (90% two-sided) upper limit on MH is given by ZFITTER's DSWW=-1 curve: MH <= 157 GeV (one-sided 95%CL incl. TU) ----------------------------------------- (increasing to 186 GeV when including the LEP-2 direct search limit). EOF