Matches in SemOpenAlex for { <https://semopenalex.org/work/W2036402871> ?p ?o ?g. }
- W2036402871 endingPage "35" @default.
- W2036402871 startingPage "19" @default.
- W2036402871 abstract "The forward-backward asymmetries of $$e^ + e^ - to Z^0 to bbar b and e^ + e^ - to Z^0 to cbar c$$ have been measured by the OPAL Collaboration using samples of hadronicZ 0 decays in which electron or muon candidates were observed. The asymmetries were measured simultaneously in a two parameter fit, which used the distributions of the track momentum and transverse momentum component with respect to the associated jet to distinguish lepton candidates from different sources. From a sample of 360 000 hadronic events with centre-of-mass energies within ±0.5 GeV of theZ 0 mass and mean energy 91.24. GeV, the values obtained for the $$bbar b$$ asymmetry before and after correcting, for the effect of $$B^0 overline {B^0 } $$ mixing, and for the $$cbar c$$ asymmetry are, respectively: $$begin{gathered} A_{FB}^{b,mix} = 0.070 pm 0.014(stat) pm 0.005(sys), hfill A_{FB}^b = 0.092 pm 0.018(stat) pm 0.007(sys) hfill pm 0.003(mix), hfill A_{FB}^c = 0.014 pm 0.030(stat) pm 0.020(sys). hfill end{gathered} $$ The measurement of the $$bbar b$$ asymmetry is confirmed by a measurement using only leptons with high transverse momentum. This sample is highly enriched in semileptonic decays ofb hadrons. Measurements using high transverse momentum leptons were also performed using samples of events with centre-of-mass energies further from theZ 0 mass. After correcting for the effect of $$B^0 overline {B^0 } $$ mixing, the results are: $$begin{gathered} A_{FB}^b (langle sqrt s rangle = 89.66GeV) hfill = 0.071 pm 0.054(stat) pm 0.007(sys) pm 0.002(mix), hfill A_{FB}^b (langle sqrt s rangle = 92.75GeV) hfill = 0.131 pm 0.047(stat) pm 0.012(sys) pm 0.004(mix). hfill end{gathered} $$" @default.
- W2036402871 created "2016-06-24" @default.
- W2036402871 creator A5000266413 @default.
- W2036402871 creator A5000527429 @default.
- W2036402871 creator A5001537296 @default.
- W2036402871 creator A5001564257 @default.
- W2036402871 creator A5001851935 @default.
- W2036402871 creator A5002599477 @default.
- W2036402871 creator A5003174070 @default.
- W2036402871 creator A5003708816 @default.
- W2036402871 creator A5003856246 @default.
- W2036402871 creator A5004349317 @default.
- W2036402871 creator A5004350184 @default.
- W2036402871 creator A5004548473 @default.
- W2036402871 creator A5004598304 @default.
- W2036402871 creator A5004762336 @default.
- W2036402871 creator A5004869628 @default.
- W2036402871 creator A5005165987 @default.
- W2036402871 creator A5005213134 @default.
- W2036402871 creator A5005227060 @default.
- W2036402871 creator A5005430808 @default.
- W2036402871 creator A5005538466 @default.
- W2036402871 creator A5005778329 @default.
- W2036402871 creator A5005956358 @default.
- W2036402871 creator A5007332690 @default.
- W2036402871 creator A5007822432 @default.
- W2036402871 creator A5008403080 @default.
- W2036402871 creator A5008611057 @default.
- W2036402871 creator A5008896108 @default.
- W2036402871 creator A5008960479 @default.
- W2036402871 creator A5009464401 @default.
- W2036402871 creator A5009474276 @default.
- W2036402871 creator A5009542858 @default.
- W2036402871 creator A5010059979 @default.
- W2036402871 creator A5010442959 @default.
- W2036402871 creator A5010883578 @default.
- W2036402871 creator A5011162271 @default.
- W2036402871 creator A5011328436 @default.
- W2036402871 creator A5011390631 @default.
- W2036402871 creator A5011543287 @default.
- W2036402871 creator A5012519020 @default.
- W2036402871 creator A5012610251 @default.
- W2036402871 creator A5012844751 @default.
- W2036402871 creator A5013139168 @default.
- W2036402871 creator A5013380810 @default.
- W2036402871 creator A5013389084 @default.
- W2036402871 creator A5013770408 @default.
- W2036402871 creator A5014250242 @default.
- W2036402871 creator A5014416057 @default.
- W2036402871 creator A5014516351 @default.
- W2036402871 creator A5014683690 @default.
- W2036402871 creator A5014892798 @default.
- W2036402871 creator A5015236383 @default.
- W2036402871 creator A5015317221 @default.
- W2036402871 creator A5015394724 @default.
- W2036402871 creator A5015568799 @default.
- W2036402871 creator A5015646462 @default.
- W2036402871 creator A5015816407 @default.
- W2036402871 creator A5016191353 @default.
- W2036402871 creator A5016201763 @default.
- W2036402871 creator A5017046374 @default.
- W2036402871 creator A5017258864 @default.
- W2036402871 creator A5017423877 @default.
- W2036402871 creator A5017455517 @default.
- W2036402871 creator A5017493131 @default.
- W2036402871 creator A5017597764 @default.
- W2036402871 creator A5017620603 @default.
- W2036402871 creator A5017701827 @default.
- W2036402871 creator A5018077829 @default.
- W2036402871 creator A5018988073 @default.
- W2036402871 creator A5019041014 @default.
- W2036402871 creator A5019129672 @default.
- W2036402871 creator A5019534535 @default.
- W2036402871 creator A5019870966 @default.
- W2036402871 creator A5019944341 @default.
- W2036402871 creator A5020052228 @default.
- W2036402871 creator A5020524470 @default.
- W2036402871 creator A5020629419 @default.
- W2036402871 creator A5021281948 @default.
- W2036402871 creator A5021405691 @default.
- W2036402871 creator A5021588143 @default.
- W2036402871 creator A5021646321 @default.
- W2036402871 creator A5021913713 @default.
- W2036402871 creator A5022100915 @default.
- W2036402871 creator A5022167435 @default.
- W2036402871 creator A5022209585 @default.
- W2036402871 creator A5022356562 @default.
- W2036402871 creator A5022357282 @default.
- W2036402871 creator A5022745534 @default.
- W2036402871 creator A5022910671 @default.
- W2036402871 creator A5023325434 @default.
- W2036402871 creator A5023374817 @default.
- W2036402871 creator A5023741741 @default.
- W2036402871 creator A5024320649 @default.
- W2036402871 creator A5024422912 @default.
- W2036402871 creator A5024497583 @default.
- W2036402871 creator A5024575884 @default.
- W2036402871 creator A5024712421 @default.