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Second order electromagnetic radiative corrections toe + e −→γ*Z 0→μ+μ−

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Zeitschrift für Physik C Particles and Fields

Abstract

We derive a compact expression for the cross sectione + e −→μ+μ−, containing a full treatment of the electromagnetic radiative corrections from both initial and final states. By using a formulation in terms of evolution equations, we obtain an expression for the cross-section to theO(α2) which includes soft and hard photons and resums to all orders dominant and non-dominant logarithmic contributions. Comparisons with previous results are made.

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Authors and Affiliations

  1. Sezione di Pavia, Dipartimento di Fisica Nucleare e Teorica Università di Pavia, and INFN, I-27100, Pavia, Italy

    O. Nicrosini

  2. Dipartimento di Fisica, Università di Parma, and INFN, Gruppo Collegato di Parma, Sezione di Milano, I-43100, Parma, Italy

    L. Trentadue

Authors
  1. O. Nicrosini
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  2. L. Trentadue
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An important exception is represented by the process\(e^ + e^ - \to Z^0 \to \nu \bar \nu + photons\) where the radiation originates from the initial state only

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Nicrosini, O., Trentadue, L. Second order electromagnetic radiative corrections toe + e −→γ*Z 0→μ+μ− . Z. Phys. C - Particles and Fields 39, 479–486 (1988). https://doi.org/10.1007/BF01555976

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  • DOI: https://doi.org/10.1007/BF01555976

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