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Energy helps accuracy: electroweak precision tests at hadron colliders

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(2016)cite arxiv:1609.08157Comment: 8 pages, 5 figures, 2 tables. Added: CEPC reach, projected reach on heavy vector triplets.
DOI: 10.1016/j.physletb.2017.06.043

Abstract

We show that high energy measurements of Drell-Yan at the LHC can serve as electroweak precision tests. Dimension-6 operators, from the Standard Model Effective Field Theory, modify the high energy behavior of electroweak gauge boson propagators. Existing measurements of the dilepton invariant mass spectrum, from neutral current Drell-Yan at 8 TeV, have comparable sensitivity to LEP. We propose measuring the transverse mass spectrum of charged current Drell-Yan, which can surpass LEP already with 8 TeV data. The 13 TeV LHC will elevate electroweak tests to a new precision frontier.

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