Initial-Final-State Interference in the Z line-shape

Details Initial-Final-State Interference in the Z line-shape Initial-Final-State Interference in the Z line-shape

1999-07-29

arxiv.org/abs/hep-ph/9907547v1

Phys.Lett. B465 (1999) 254-259

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages LaTeX including 2 PostScript figures

Scientific paper

10.1016/S0370-2693(99)01047-3

The uncertainty in the determination of the Z line-shape parameters coming from the precision of the calculation of the Initial-State Radiation and Initial--Final-State Interference is 2 10**(-4) for the total cross section sigma zero(had) at the Z peak, 0.15 MeV for the Z mass M Z, and 0.1 MeV for the Z width Gamma Z. Corrections to Initial--Final-State Interference beyond \Order{\alpha^1} are discussed.

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