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Verhandlungen
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DPG

Bonn 2020 – scientific programme

The DPG Spring Meeting in Bonn had to be cancelled! Read more ...

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T: Fachverband Teilchenphysik

T 4: Dark matter: theory

T 4.3: Talk

Monday, March 30, 2020, 17:00–17:15, H-HS II

One-loop EW corrections to Direct Detection in the Vector Dark Matter ModelSeraina Glaus1, Margarete Mühlleitner1, •Jonas Müller1, Shruti Patel1, and Rui Santos2,3,41Karlsruher Institut für Technologie, ITP, Karlsruhe, Deutschland — 2Instituto Politécnico de Lisboa, ISEL, Portugal — 3Centro de Física Teórica e Computacional, Faculdade de Ciências, Portugal — 4LIP, Departamento de Física, Universidade do Minho, Portugal

Recent dark matter (DM) direct searches place very stringent constraints on possible DM candidates proposed in extensions of the Standard Model (SM). Driven by the steadily increasing precision in DM direct detection searches, we present the one-loop electroweak corrections to the spin-independent DM scattering cross-section with nucleons in the simplified vector DM model (VDM). The VDM extends the SM with an additional complex singlet and a dark gauged U(1)X yielding a vector-like DM particle which is stabilised by a Z2 symmetry. The loop corrections are essential to discuss the sensitivities of the direct detection experiments for the model prediction and might allow for reopening parameter space which is excluded by tree-level analyses.

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