The Neutral Current and the Determination of sin2ϑw

  • Otto Nachtmann
Part of the Texts and Monographs in Physics book series (TMP)


In this chapter we consider a number of possible methods of obtaining the weak angle ϑw that determines the composition of the neutral current in the standard model (22.78). For this purpose, one could, in principle, use any reaction to which the neutral current contributes. Here we shall confine ourselves to a discussion of neutrino–electron and neutrino–nucleon scattering and electron–positron annihilation. A review that also considers other reactions is given, for example, by Kim (1981).


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Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • Otto Nachtmann
    • 1
  1. 1.Institut für Theoretische PhysikUniversität HeidelbergHeidelbergFederal Republic of Germany

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