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Published June 6, 2012 | public
Journal Article

Precision probes of a leptophobic Z' boson


Extensions of the Standard Model that contain leptophobic Z' gauge bosons are theoretically interesting but difficult to probe directly in high-energy hadron colliders. However, precision measurements of Standard Model neutral current processes can provide powerful indirect tests. We demonstrate that parity-violating deep inelastic scattering of polarized electrons off of deuterium offer a unique probeleptophobic Z' bosons with axial quark couplings and masses above 100 GeV. In addition to covering a wide range of previously uncharted parameter space, planned measurements of the deep inelastic parity-violating eD asymmetry would be capable of testing leptophobic Z' scenarios proposed to explain the CDF W plus dijet anomaly.

Additional Information

© 2012 Elsevier. Received 2 April 2012. Accepted 27 April 2012. Available online 8 May 2012. Editor: M. Cvetič. We thank J. Erler, K. Kumar, and P. Souder for helpful discussions and Y. Li and W. Marciano for sharing their input for the Q 2-dependence of the Π functions. This work was supported in part by DOE contract DE-FG02-08ER41531 (M.J.R.-M.) and the Wisconsin Alumni Research Foundation (M.J.R.-M.). M.R.B. is supported by the US Department of Energy. Fermilab is operated by Fermi Research Alliance, LLC under Contract No. DE-AC02-07CH11359 with the US Department of Energy.

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