By Stefan Roth

This up to date quantity experiences the hot contributions of electron-positron colliders to the precision attempt of the electroweak usual version. specifically, it features a brief precis of the measurements on the Z resonance and provides an summary of the electroweak techniques above the Z. thus, the size of the W mass at LEP is mentioned intimately. the consequences for the precision attempt of the traditional version are offered, giving the prestige of the worldwide electroweak healthy earlier than the startup of huge Hadron Collider. the ultimate chapters supply an outlook at the electroweak physics at a destiny linear collider. The publication additionally positive factors many illustrations and tables. Readers receive a coherent assessment of the result of two decades of electroweak physics performed at electron-positron colliders.

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Precision Electroweak Physics at Electron-Positron Colliders

This up to date quantity stories the hot contributions of electron-positron colliders to the precision try out of the electroweak regular version. particularly, it features a brief precis of the measurements on the Z resonance and offers an outline of the electroweak approaches above the Z. for that reason, the size of the W mass at LEP is mentioned intimately.

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Phys. J. C 6, 187 (1999) 6. ALEPH, DELPHI, L3, OPAL and SLD Collaborations, Phys. Rept. 427, 257 (2006) 7. ALEPH Collaboration, A. , Eur. Phys. J. C 24, 177 (2002); ALEPH Collaboration, A. , Eur. Phys. J. C 22, 201 (2001); DELPHI Collaboration, J. , Eur. Phys. J. C 40, 1 (2005); DELPHI Collaboration, J. , Eur. Phys. J. C 34, 109 (2004); L3 Collaboration, M. , Phys. Lett. B 448, 152 (1999); L3 Collaboration, M. , Phys. Lett. B 439, 225 (1998); OPAL Collaboration, G. , Phys. Lett. B 577, 18 (2003); OPAL Collaboration, G.

J. Jackson, Preprint SLAC-PUB-7215 (1996) 12. D. , Nucl. Inst. Meth. A 360, 481 (1995) 13. E. , Nucl. Inst. Meth. A 433, 47 (1999) 14. G. , Eprint hep-ex/0206074 (2002) 15. S. , Comp. Phys. Comm. 102, 229 (1997) 3 Electroweak Measurements on the Z Resonance The Standard Model is confirmed at the permill level using electroweak precision measurements gathered at the Large Electron Positron Collider LEP and at the Stanford Linear Collider SLC. The analysis of electron-positron collisions at centre-of-mass energies around the Z resonance has delivered a wealth of precisely measured electroweak observables.

0043 . 15) Measuring also the cos θ dependence of the tau polarisation gives additional information on Ae . 00041 . 5 Left-Right Asymmetry The left-right asymmetry, accessible with the polarised electron beam at the SLC, is defined as the relative difference between the interaction rates with left (L) and right (R) longitudinally polarised electron bunches. 6 Determination of the Effective Weak Mixing Angle AfLR = f 1 σLf − σR = Ae . 1 shows that AfLR measures directly the asymmetry parameter Ae of the electron.

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Precision Electroweak Physics at Electron-Positron Colliders by Stefan Roth
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