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Simulation Study of W Boson + Dark Matter Signatures for Identification of New Physics

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arxiv 1007.0829 v2 pith:CEV6XQK5 submitted 2010-07-06 hep-ex hep-ph

Simulation Study of W Boson + Dark Matter Signatures for Identification of New Physics

classification hep-ex hep-ph
keywords anglebosondarkfourhiggsidentificationmattermodels
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Identification of beyond-standard-models including WIMP dark matter is studied in four particle final state with a W boson pair and a WIMP pair at the International Linear Collider. Models with different spin structures give distinguishable production angle distributions. After the mass determination in each model, the production angle is reconstructed using the four momentum of W bosons with a back-to-back constraint. Three models of Inert Higgs, Supersymmetry and Little Higgs are considered. Discrimination power at 200 fb and 40 fb signal cross section with 500 fb-1 luminosity at sqrt(s) = 500 GeV is obtained.

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