The First Measurement Of The Left Right Cross Section Asymmetry In Z Boson Production PDF Download
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| Total Pages | : 13 |
| Release | : 2004 |
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Download The First Measurement of the Left-Right Cross Section Asymmetry in Z Boson Production Book in PDF, ePub and Kindle
The first measurement of the left-right cross section asymmetry (A{sub LR}) in Z° boson production has been made with the SLAC Large Detector (SLD) at the SLAC Linear Collider (SLC). The measurement was performed at a center-of-mass energy (E{sub cm}) of 91.55 GeV with a longitudinally polarized electron beam. The average beam polarization was (22.4 ± 0.6)%. Using a sample of 10,224 Z° decays, A{sub LR} is measured to be 0.102 ± 0.O44(stat) ± 0.003(syst), which determines the effective electroweak mixing angle to be sin2 [theta]{sub W}{sup eff} = 0.2375 ± 0.0056(stat) ± 0.0004(syst).
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| Release | : 2004 |
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Download The First Measurement of the Left-Right Cross Section Asymmetry in Z Boson Production Book in PDF, ePub and Kindle
The first measurement of the left-right cross section asymmetry (A[sub LR]) in Z[sup 0] boson production has been made with the SLAC Large Detector (SLD) at the SLAC Linear Collider (SLC). The measurement was performed at a center-of-mass energy (E[sub cm]) of 91.55 GeV with a longitudinally polarized electron beam. The average beam polarization was (22.4 [+-] 0.6)%. Using a sample of 10,224 Z[sup 0] decays, A[sub LR] is measured to be 0.102 [+-] 0.O44(stat) [+-] 0.003(syst), which determines the effective electroweak mixing angle to be sin[sup 2] [theta][sub W][sup eff] = 0.2375 [+-] 0.0056(stat) [+-] 0.0004(syst).
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| Total Pages | : 8 |
| Release | : 1992 |
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Download First Measurement of the Left-right Cross Section Asymmetry in Z Boson Production at E{sub Cm} Book in PDF, ePub and Kindle
The left-right cross section asymmetry for Z boson production in e[sup +]e[sup -] annihilation (A[sub LR]) has been measured at E[sub cm] = 91.55 GeV with the SLD detector at the SLAC Linear Collider (SLC) using a longitudinally polarized electron beam. The electron polarization was continually monitored with a Compton scattering polarimeter, and was typically 22%. We have accumulated a sample of [approximately]10,200 Z events. We find that A[sup LR] = 0.100 [plus minus] 0.044 [plus minus] 0.003 where the first error is statistical and the second is systematic. From this measurement, we determine the weak mixing angle defined at the Z boson pole to be sin[sup 2][theta](lept/w) = 0.2378 [plus minus] 0.0056.
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| Release | : 1994 |
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Download A Precise Measurement of the Left-right Cross Section Asymmetry in Z Boson Production Book in PDF, ePub and Kindle
| Author | : Amitabh Lath |
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| Total Pages | : 356 |
| Release | : 1994 |
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Download A Precise Measurement of the Left-right Cross Section Asymmetry in Z Boson Production Book in PDF, ePub and Kindle
| Author | : Ram Jacob Ben-David |
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| Total Pages | : 118 |
| Release | : 1994 |
| Genre | : Z bosons |
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Download The First Measurement of the Left-right Cross Section Asymmetry in Z0 Boson Production Book in PDF, ePub and Kindle
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| Release | : 1994 |
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Download Precise Measurement of the Left-right Cross Section Asymmetry in Z Boson Production by Esup +esup Minus Collisions Book in PDF, ePub and Kindle
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| Total Pages | : 4 |
| Release | : 1994 |
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Download Precise Measurement of the Left-right Cross Section Asymmetry in Z Boson Production by Ee− Collisions Book in PDF, ePub and Kindle
The authors present a precise measurement of the left-right cross section asymmetry (A{sub LR}) for Z boson production by ee− collisions. The measurement was performed at a center-of-mass energy of 91.26 GeV with the SLD detector at the SLAC Linear Collider (SLC). The luminosity-weighted average polarization of the SLC electron beam was (63.0 ± 1.1)%. Using a sample of 49,392 Z decays, they measure A{sub LR} to be 0.1628 ± 0.0071 (stat.) ± 0.0028(syst.) which determines the effective weak mixing angle to be sin2 [theta]{sub W}{sup eff} = 0.2292 ± 0.0009(stat.) ± 0.0004(syst.). They combine this result with the result obtained in 1992 and obtain sin2 [theta]{sub W}{sup eff} = 0.2294 ± 0.0010, which constitutes the best measurement of sin2 [theta]{sub W}{sup eff} in a single experiment presently available.
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| Release | : 1994 |
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Download The First Measurement of the Left-right Cross Section Asymmetry in Z° Boson Production Book in PDF, ePub and Kindle
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| Release | : 2001 |
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Download Precise Measurement of the Left-right Cross Section Asymmetry in Z Boson Production by E[sup+]e[sup[minus] Collisions Book in PDF, ePub and Kindle
The authors present a precise measurement of the left-right cross section asymmetry (A[sub LR]) for Z boson production by e[sup+]e[sup[minus]] collisions. The measurement was performed at a center-of-mass energy of 91.26 GeV with the SLD detector at the SLAC Linear Collider (SLC). The luminosity-weighted average polarization of the SLC electron beam was (63.0[+-] 1.1)%. Using a sample of 49,392 Z decays, they measure A[sub LR] to be 0.1628[+-] 0.0071 (stat.)[+-] 0.0028(syst.) which determines the effective weak mixing angle to be sin[sup 2][theta][sub W][sup eff]= 0.2292[+-] 0.0009(stat.)[+-] 0.0004(syst.). They combine this result with the result obtained in 1992 and obtain sin[sup 2][theta][sub W][sup eff]= 0.2294[+-] 0.0010, which constitutes the best measurement of sin[sup 2][theta][sub W][sup eff] in a single experiment presently available.
