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Two Higgs doublet models with an additional pseudoscalar particle coupling tothe Standard Model and to a new stable, neutral particle, provide an attractiveand fairly minimal route to solving the problem of Dark Matter. They have beenthe subject of several searches at the LHC. We study the impact of existing LHCmeasurements on such models, first in the benchmark regions addressed bysearches and then after relaxing some of their assumptions and broadening theparameter ranges considered. In each case we study how the new parameterschange the potentially visible signatures at the LHC, and identify which ofthese signatures should already have had a significant impact on existingmeasurements. This allows us to set some first constraints on a number of sofar unstudied scenarios.

A study of collider signatures for two Higgs doublet models with a Pseudoscalar mediator to Dark Matter