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Weak asymmetries in e+e−→ π+π−at high energies

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
56
Issue
5
Identifiers
DOI: 10.1016/0370-2693(75)90412-8
Disciplines
  • Physics

Abstract

Abstract Weak asymmetries of e +e − → π +π − are calculated in one photon and Z exchange approximation for polarized incident beams. A considerable longitudinal asymmetry appears, in the Weinberg-Salam model this is about 4% (11.5%) for √ s = 28 (40) GeV, sin 2 θ w = 0.39.

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