TY  - JOUR
PB  - SciPost Foundation
DO  - 10.21468/SciPostPhysCore.8.1.006
TI  - Classifying the CP properties of the ggH coupling in H + 2j production
PY  - 2025/01/20
UR  - https://scipost.org/SciPostPhysCore.8.1.006
JF  - SciPost Physics Core
JA  - SciPost Phys. Core
VL  - 8
IS  - 1
SP  - 006
A1  - Bahl, Henning
AU  - Fuchs, Elina
AU  - Hannig, Marc
AU  - Menen, Marco
AB  - The Higgs-gluon interaction is crucial for LHC phenomenology. To improve the constraints on the $\mathcal{CP}$ structure of this coupling, we investigate Higgs production with two jets using machine learning. In particular, we exploit the $\mathcal{CP}$ sensitivity of the so far neglected phase space region that differs from the typical vector boson fusion-like kinematics. Our results indicate that further improvements in the current experimental limits could be achievable using our techniques. We also discuss the most relevant observables and how $\mathcal{CP}$ violation in the Higgs–gluon interaction can be disentangled from $\mathcal{CP}$ violation in the interaction between the Higgs boson and massive vector bosons. Assuming the absence of $\mathcal{CP}$-violating Higgs interactions with coloured beyond-the-Standard-Model states, our projected limits on a $\mathcal{CP}$-violating top-Yukawa coupling are competitive with more direct probes like top-associated Higgs production and limits from a global fit.
ER  -

@Article{10.21468/SciPostPhysCore.8.1.006,
	title={{Classifying the CP properties of the ggH coupling in H + 2j production}},
	author={Henning Bahl and Elina Fuchs and Marc Hannig and Marco Menen},
	journal={SciPost Phys. Core},
	volume={8},
	pages={006},
	year={2025},
	publisher={SciPost},
	doi={10.21468/SciPostPhysCore.8.1.006},
	url={https://scipost.org/10.21468/SciPostPhysCore.8.1.006},
}