Revisiting the direct detection of dark matter in simplified models

Abstract

In this work we numerically re-examine the loop-induced WIMP-nucleon scattering cross section for the simplified dark matter models and the constraint set by the latest direct detection experiment. We consider a fermion, scalar or vector dark matter component from five simplified models with leptophobic spin-0 mediators coupled only to Standard Model quarks and dark matter particles. The tree-level WIMP-nucleon cross sections in these models are all momentum-suppressed. We calculate the non-suppressed spin-independent WIMP-nucleon cross sections from loop diagrams and investigate the constrained space of dark matter mass and mediator mass by Xenon1T. The constraints from indirect detection and collider search are also discussed.

6 pages, 6 figures, 2 tables. Published in PLB

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• Loop-induced direct detection signatures from CP-violating scalar mediators
• Inelastic extra $U(1)$ charged scalar dark matter
• Electroweak Phase Transition, Gravitational Waves and Dark Matter in Two Scalar Singlet Extension of The Standard Model
• Maximum value of the spin-independent cross section in the THDM+a
• Current status and future prospects of the singlet-doublet dark matter model with $CP$ violation
• Constraints on the axial-vector and pseudo-scalar mediated WIMP-nucleus interactions from PandaX-4T experiment
• LHC Dark Matter Working Group: Next-generation spin-0 dark matter models
• Leading Loop Effects in Pseudoscalar-Higgs Portal Dark Matter
• Direct detections of Majorana dark matter in vector portal
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• Exploring Constraints on Simplified Dark Matter Model Through Flavour and Electroweak Observables
• Loop effect with vector mediator in the coherent neutrino-nucleus scattering
• Displaced Lepton Jet Signatures from Self-Interacting Dark Matter Bound States
• Loop effect in the coherent neutrino-nucleus scattering
• Probing Bottom-flavored Scalar Dark Matters at Loop Level