Beautiful and charming chromodipole moments

Abstract

In the context of the Standard Model effective field theory we derive direct and indirect bounds on chromodipole operators involving the bottom and charm quark. We find that the experimental upper limit on the neutron electric dipole moment puts severe constraints on the imaginary parts of the Wilson coefficients of both chromodipole operators. The magnitudes of the Wilson coefficients are instead only weakly constrained by dijet searches and Z-boson production in association with bottom-quark jets. Flavour physics does not provide meaningful bounds.

22 pages, 7 figures and 1 table, v2: minor modifications and additions to the text; matches version published in JHEP

References in corpus (11)

• The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
• An Introduction to PYTHIA 8.2
• Updated NNLO QCD predictions for the weak radiative B-meson decays
• Experimental constraints on the coupling of the Higgs boson to electrons
• Reevaluation of Neutron Electric Dipole Moment with QCD Sum Rules
• LHC multijet events as a probe for anomalous dimension-six gluon interactions
• Precision Probes of QCD at High Energies
• QCD radiative corrections for $h\to b\bar{b}$ in the Standard Model Dimension-6 EFT
• Searching for t->c(u)h with dipole moments
• Weinberg operator contribution to the nucleon electric dipole moment in the quark model
• Nucleon electric dipole moment from polarized deep inelastic scattering