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Measuring single-top-associated Higgs production at the HL-LHC
by Henning Bahl
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Submission summary
| Authors (as registered SciPost users): | Henning Bahl |
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| Preprint Link: | https://arxiv.org/abs/2107.10512v1 (pdf) |
| Date accepted: | 2022-05-06 |
| Date submitted: | 2021-07-23 08:39 |
| Submitted by: | Bahl, Henning |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | 28th Annual Workshop on Deep-Inelastic Scattering (DIS) and Related Subjects (DIS2021) |
| Ontological classification | |
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| Academic field: | Physics |
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| Approach: | Phenomenological |
Abstract
Precision measurements of top-associated Higgs production are an important ingredient to unravel the $\mathcal{CP}$ nature of the Higgs boson. In this work, we constraint the $\mathcal{CP}$ nature of the top-Yukawa coupling taking into account all relevant inclusive and differential Higgs boson measurements. Based upon this fit, we show that it is crucial to disentangle single- and di-top-associated Higgs production for tightening indirect constraints on a $\mathcal{CP}$-odd top-Yukawa coupling in the future. In this context, we propose an analysis strategy for measuring $tH$ production at the HL-LHC without relying on assumptions about the Higgs $\mathcal{CP}$ character.
Published as SciPost Phys. Proc. 8, 010 (2022)