Matches in SemOpenAlex for { <https://semopenalex.org/work/W3105316129> ?p ?o ?g. }
- W3105316129 abstract "A bstract New Z ′ gauge bosons arise in many extensions of the Standard Model and predict resonances in the dilepton invariant mass spectrum. Searches for such resonances therefore provide important constraints on many models of new physics, but the resulting bounds are often calculated without interference effects. In this work we show that the effect of interference is significant and cannot be neglected whenever the Z ′ width is large (for example because of an invisible contribution). To illustrate this point, we implement and validate the most recent 139 fb − 1 dilepton search from ATLAS and obtain exclusion limits on general Z ′ models as well as on simplified dark matter models with spin-1 mediators. We find that interference can substantially strengthen the bound on the Z ′ couplings and push exclusion limits for dark matter simplified models to higher values of the Z ′ mass. Together with this study we release the open-source code ZPEED, which provides fast likelihoods and exclusion bounds for general Z ′ models." @default.
- W3105316129 created "2020-11-23" @default.
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- W3105316129 date "2020-03-01" @default.
- W3105316129 modified "2023-09-27" @default.
- W3105316129 title "Interference effects in dilepton resonance searches for Z′ bosons and dark matter mediators" @default.
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- W3105316129 doi "https://doi.org/10.1007/jhep03(2020)104" @default.
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