429 citations · 5.2k across the 90 of their papers we have counts for
5 papers · 1 filter
One constraint to kill them all?
Luca Di Luzio, Matthew Kirk, Alexander Lenz
Many new physics models that explain the intriguing anomalies in the -quark flavour sector are severely constrained by -mixing, for which the Standard Model prediction and…
Dimension-six matrix elements for meson mixing and lifetimes from sum rules
M. Kirk, A. Lenz, T. Rauh
The hadronic matrix elements of dimension-six operators are crucial inputs for the theory predictions of mixing observables and lifetime ratios in the and system.…
Charming Dark Matter
Thomas Jubb, Matthew Kirk, Alexander Lenz
We have considered a model of Dark Minimal Flavour Violation (DMFV), in which a triplet of dark matter particles couple to right-handed up-type quarks via a heavy colour-charged sc…
Double-charming Higgs identification using machine-learning assisted jet shapes
Alexander Lenz, Michael Spannowsky, Gilberto Tetlalmatzi-Xolocotzi
We study the possibility of identifying a boosted resonance that decays into a charm pair against different sources of background using QCD event shapes, which are promoted to jet…
Charming new physics in rare B-decays and mixing?
Sebastian Jäger, Matthew Kirk, Alexander Lenz +1
We conduct a systematic study of the impact of new physics in quark-level transitions on -physics, in particular rare -decays and -meson lifetime obser…