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    Anapole dark matter via vector boson fusion processes at the LHC

    Florez, Andres
    Gurrola, Alfredo
    Johns, Will
    Maruri, Jessica
    Sheldon, Paul
    Sinha, Kuver
    Starko, Savanna Rae
    : http://hdl.handle.net/1803/9987
    : 2019-07-29

    Abstract

    Dark matter that is electrically neutral but couples to the electromagnetic current through higher-dimensional operators constitutes an interesting class of models. We investigate this class of models at the Large Hadron Collider, focusing on the anapole moment operator in an effective field theory (EFT) framework, and utilizing the vector boson fusion (VBF) topology. Assuming proton-proton collisions at root s = 13 TeV, we present the VBF anapole dark matter (ADM) cross sections and kinematic distributions as functions of the free parameters of the EFT, the cutoff scale Lambda and the ADM mass m(chi). We find that the distinctive VBF topology of two forward jets and large dijet pseudorapidity gap is effective at reducing SM backgrounds, leading to a 5 sigma discovery reach for all kinematically allowed ADM masses with Lambda <= 1.62 (1.1) TeV, assuming an integrated luminosity of 3000 (100) fb(-1).
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