OUR FIT is obtained using the fit procedure and correlations as determined by the LEP Electroweak Working Group (see the note “The ${{\mathit Z}}$ boson” and ref. LEP-SLC 2006). For the ${{\mathit Z}}$ peak, we report the pole asymmetry defined by (3/4)$\mathit A_{{{\mathit e}}}\mathit A_{{{\mathit \mu}}}$ as determined by the nine-parameter fit to cross-section and lepton forward-backward asymmetry data.

ASYMMETRY ${\mathrm {(\%)}}$ STD. MODEL $\sqrt {\mathit s }$ ${\mathrm {(GeV)}}$ DOCUMENT ID TECN $\bf{ 1.69 \pm0.13}$ OUR FIT $ 1.59 \pm0.23 $ $1.57$ $91.2$ 1 ABBIENDI 2001 A OPAL $ 1.65 \pm0.25 $ $1.57$ $91.2$ ABREU 2000 F DLPH $ 1.88 \pm0.33 $ $1.57$ $91.2$ ACCIARRI 2000 C L3 $ 1.71 \pm0.24 $ $1.57$ $91.2$ 2 BARATE 2000 C ALEP • • We do not use the following data for averages, fits, limits, etc. • • $ 9 \pm30 $ $-1.3$ $20$ 3 ABREU 1995 M DLPH $ 7 \pm26 $ $-8.3$ $40$ 3 ABREU 1995 M DLPH $ -11 \pm33 $ $-24.1$ $57$ 3 ABREU 1995 M DLPH $ -62 \pm17 $ $-44.6$ $69$ 3 ABREU 1995 M DLPH $ -56 \pm10 $ $-63.5$ $79$ 3 ABREU 1995 M DLPH $ -13 \pm5 $ $-34.4$ $87.5$ 3 ABREU 1995 M DLPH $ -29.0 {}^{+5.0}_{-4.8} \pm0.5 $ $-32.1$ $56.9$ 4 ABE 1990 I VNS $ -9.9 \pm1.5 \pm0.5 $ $-9.2$ $35$ HEGNER 1990 JADE $ 0.05 \pm0.22 $ $0.026$ $91.14$ 5 ABRAMS 1989 D MRK2 $ -43.4 \pm17.0 $ $-24.9$ $52.0$ 6 BACALA 1989 AMY $ -11.0 \pm16.5 $ $-29.4$ $55.0$ 6 BACALA 1989 AMY $ -30.0 \pm12.4 $ $-31.2$ $56.0$ 6 BACALA 1989 AMY $ -46.2 \pm14.9 $ $-33.0$ $57.0$ 6 BACALA 1989 AMY $ -29 \pm13 $ $-25.9$ $53.3$ ADACHI 1988 C TOPZ $ +5.3 \pm5.0 \pm0.5 $ $-1.2$ $14.0$ ADEVA 1988 MRKJ $ -10.4 \pm1.3 \pm0.5 $ $-8.6$ $34.8$ ADEVA 1988 MRKJ $ -12.3 \pm5.3 \pm0.5 $ $-10.7$ $38.3$ ADEVA 1988 MRKJ $ -15.6 \pm3.0 \pm0.5 $ $-14.9$ $43.8$ ADEVA 1988 MRKJ $ -1.0 \pm6.0 $ $-1.2$ $13.9$ BRAUNSCHWEIG 1988 D TASS $ -9.1 \pm2.3 \pm0.5 $ $-8.6$ $34.5$ BRAUNSCHWEIG 1988 D TASS $ -10.6 {}^{+2.2}_{-2.3} \pm0.5 $ $-8.9$ $35.0$ BRAUNSCHWEIG 1988 D TASS $ -17.6 {}^{+4.4}_{-4.3} \pm0.5 $ $-15.2$ $43.6$ BRAUNSCHWEIG 1988 D TASS $ -4.8 \pm6.5 \pm1.0 $ $-11.5$ $39$ BEHREND 1987 C CELL $ -18.8 \pm4.5 \pm1.0 $ $-15.5$ $44$ BEHREND 1987 C CELL $ +2.7 \pm4.9 $ $-1.2$ $13.9$ BARTEL 1986 C JADE $ -11.1 \pm1.8 \pm1.0 $ $-8.6$ $34.4$ BARTEL 1986 C JADE $ -17.3 \pm4.8 \pm1.0 $ $-13.7$ $41.5$ BARTEL 1986 C JADE $ -22.8 \pm5.1 \pm1.0 $ $-16.6$ $44.8$ BARTEL 1986 C JADE $ -6.3 \pm0.8 \pm0.2 $ $-6.3$ $29$ ASH 1985 MAC $ -4.9 \pm1.5 \pm0.5 $ $-5.9$ $29$ DERRICK 1985 HRS $ -7.1 \pm1.7 $ $-5.7$ $29$ LEVI 1983 MRK2 $ -16.1 \pm3.2 $ $-9.2$ $34.2$ BRANDELIK 1982 C TASS 1  ABBIENDI 2001A error is almost entirely on account of statistics. 2  BARATE 2000C error is almost entirely on account of statistics. 3  ABREU 1995M perform this measurement using radiative muon-pair events associated with high-energy isolated photons. 4  ABE 1990I measurements in the range 50 ${}\leq{}$ $\sqrt {\mathit s }{}\leq{}$ $60.8$ GeV. 5  ABRAMS 1989D asymmetry includes both 9 ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ and 15 ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ events. 6  BACALA 1989 systematic error is about 5$\%$.

References