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Advances in High Energy Physics
Volume 2011, Article ID 859762, 8 pages
Research Article

Model-Independent Bounds on Kinetic Mixing

Theory Group, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA

Received 2 March 2011; Accepted 28 July 2011

Academic Editor: Ian Jack

Copyright © 2011 Anson Hook et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


New Abelian vector bosons can kinetically mix with the hypercharge gauge boson of the Standard Model. This letter computes the model-independent limits on vector bosons with masses from 1 GeV to 1 TeV. The limits arise from the numerous e+e experiments that have been performed in this energy range and bound the kinetic mixing by ϵ0.03 for most of the mass range studied, regardless of any additional interactions that the new vector boson may have.