A light pseudoscalar near the Υ(1S) mass, mixing with two Higgs doublets in the alignment limit, accounts for the anomalous ditau rate while evading existing constraints.
Automated Two Higgs Doublet Model at NLO
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abstract
The Two Higgs Doublet Model at NLO is generated automatically by FeynRules and NLOCT and allows any computation to be performed at NLO in QCD inside MadGraph5_aMC@NLO. The model can handle both four and five massless flavours. Preliminary results of the shape comparison between the two schemes are shown.
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Hiding in the Shadow of the Upsilon: Ditaus from a Light Pseudoscalar
A light pseudoscalar near the Υ(1S) mass, mixing with two Higgs doublets in the alignment limit, accounts for the anomalous ditau rate while evading existing constraints.