Details
| Original language | English |
|---|---|
| Article number | 006 |
| Number of pages | 34 |
| Journal | SciPost Physics |
| Volume | 8 |
| Issue number | 1 |
| Publication status | Published - 20 Jan 2025 |
Abstract
The Higgs-gluon interaction is crucial for LHC phenomenology. To improve the constraints on the CP structure of this coupling, we investigate Higgs production with two jets using machine learning. In particular, we exploit the 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 CP violation in the Higgs–gluon interaction can be disentangled from CP violation in the interaction between the Higgs boson and massive vector bosons. Assuming the absence of CP-violating Higgs interactions with coloured beyond-the-Standard-Model states, our projected limits on a CP-violating top-Yukawa coupling are competitive with more direct probes like top-associated Higgs production and limits from a global fit.
ASJC Scopus subject areas
- Physics and Astronomy(all)
- Statistical and Nonlinear Physics
- Physics and Astronomy(all)
- Atomic and Molecular Physics, and Optics
- Physics and Astronomy(all)
- Nuclear and High Energy Physics
- Physics and Astronomy(all)
- Condensed Matter Physics
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In: SciPost Physics, Vol. 8, No. 1, 006, 20.01.2025.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Classifying the CP properties of the ggH coupling in H+2j production
AU - Bahl, Henning
AU - Fuchs, Elina
AU - Menen, Marco
AU - Hannig, Marc
N1 - Publisher Copyright: Copyright H. Bahl et al.
PY - 2025/1/20
Y1 - 2025/1/20
N2 - The Higgs-gluon interaction is crucial for LHC phenomenology. To improve the constraints on the CP structure of this coupling, we investigate Higgs production with two jets using machine learning. In particular, we exploit the 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 CP violation in the Higgs–gluon interaction can be disentangled from CP violation in the interaction between the Higgs boson and massive vector bosons. Assuming the absence of CP-violating Higgs interactions with coloured beyond-the-Standard-Model states, our projected limits on a CP-violating top-Yukawa coupling are competitive with more direct probes like top-associated Higgs production and limits from a global fit.
AB - The Higgs-gluon interaction is crucial for LHC phenomenology. To improve the constraints on the CP structure of this coupling, we investigate Higgs production with two jets using machine learning. In particular, we exploit the 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 CP violation in the Higgs–gluon interaction can be disentangled from CP violation in the interaction between the Higgs boson and massive vector bosons. Assuming the absence of CP-violating Higgs interactions with coloured beyond-the-Standard-Model states, our projected limits on a CP-violating top-Yukawa coupling are competitive with more direct probes like top-associated Higgs production and limits from a global fit.
UR - http://inspirehep.net/record/2693930
UR - http://www.scopus.com/inward/record.url?scp=85216328594&partnerID=8YFLogxK
U2 - 10.21468/SciPostPhysCore.8.1.006
DO - 10.21468/SciPostPhysCore.8.1.006
M3 - Article
VL - 8
JO - SciPost Physics
JF - SciPost Physics
IS - 1
M1 - 006
ER -