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arXiv · hep-ph/9907547

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

S. Jadach·B. Pietrzyk·E. Tournefier·B. F. L. Ward·Z. Was
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Abstract

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{α^1} are discussed.

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S. Jadach, B. Pietrzyk, E. Tournefier, B. F. L. Ward, Z. Was. 1999-07-29. Initial-Final-State Interference in the Z line-shape. https://doi.org/10.1016/s0370-2693(99)01047-3

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