Flavor and CP Violation from a QCD-like Hidden Sector
arXiv:2111.05515 · doi:10.1007/JHEP02(2022)011
Abstract
Confining hidden sectors at the GeV scale are well motivated by asymmetric dark matter and naturalness considerations and can also give interesting collider signatures. Here we study such sectors connected to the Standard Model by a TeV scale mediator charged under both QCD and the dark force. Such a mediator admits a Yukawa coupling between quarks and dark quarks which is generically flavour and violating. We show that in contrast to expectation, electric dipole moments do not place a strong constraint on this scenario even with -violating phases. We also quantitatively explore constraints from processes as a function of the number of dark quark flavours. Finally, we describe the reach of upcoming measurements at Belle-II and KOTO, and we propose new -odd observables in rare meson decays that may be sensitive to the -violating nature of the dark sector.
References in corpus (19)
- Echoes of a Hidden Valley at Hadron Colliders
- Asymmetric Dark Matter
- Discovering the Higgs Through Highly-Displaced Vertices
- Phenomenology of Hidden Valleys at Hadron Colliders
- Towards Working Technicolor: Effective Theories and Dark Matter
- Emerging Jets
- Flavored dark matter beyond Minimal Flavor Violation
- Perturbative benchmark models for a dark shower search program
- Running Electroweak Couplings as a Probe of New Physics
- Constraining Light Colored Particles with Event Shapes
- Lepton-Flavored Asymmetric Dark Matter and Interference in Direct Detection
- Hadron masses in QCD with one quark flavour
- Discovering the Twin Higgs Boson with Displaced Decays
- Charming Dark Matter
- Triggering on Emerging Jets
- Collider constraints on dark mediators
- Electric dipole moments in the extended scotogenic models
- Continuous Flavor Symmetries and the Stability of Asymmetric Dark Matter
- Vanishing or non-vanishing rainbow? Reduction formulas of electric dipole moment