169 citations · 1.4k across the 37 of their papers we have counts for
48 papers
HiggsTools for LHC Run 3 and Beyond
Henning Bahl, Thomas Biekötter, Sven Heinemeyer +2
HiggsTools, including the subpackages HiggsPredictions, HiggsBounds, and HiggsSignals, is a toolbox for Beyond-the-SM (BSM) scalar phenomenology at the LHC. It provides BSM model p…
Precise predictions for trilinear Higgs couplings and Higgs pair production in extended scalar sectors with anyH3 and anyHH
Henning Bahl, Johannes Braathen, Martin Gabelmann +2
A central objective of future collider experiments is to probe the structure of the Higgs potential, which requires access to trilinear scalar couplings, in particular the self-cou…
Complementarity of di-top and four-top searches in interpreting possible signals of new physics
Henning Bahl, Philipp Gadow, Romal Kumar +3
Final states comprising two or more top quarks are important search channels at the Large Hadron Collider for scalar particles predicted in models of physics beyond the Standard Mo…
Assessing uncertainties in the determination of the trilinear Higgs self-coupling from single-Higgs observables
Henning Bahl, Philip Bechtle, Johannes Braathen +4
Circular colliders operating at energies below the di-Higgs production threshold can provide information on the trilinear Higgs self-coupling via its loop co…
Impact of Interference Effects on Higgs-boson Searches in the Di-top Final State at the LHC
Henning Bahl, Romal Kumar, Georg Weiglein
The di-top final state is an important search channel for additional Higgs bosons at the LHC. In this channel, large signal--background interference contributions can strongly dist…
Precise predictions for the trilinear Higgs self-coupling in the Standard Model and beyond
Henning Bahl, Johannes Braathen, Martin Gabelmann +1
Deviations in the trilinear self-coupling of the Higgs boson at 125 GeV from the Standard Model (SM) prediction are a sensitive test of physics Beyond the SM (BSM). The LHC experim…
Complete electroweak O(Nc^2) two-loop contributions to the Higgs boson masses in the MSSM and aspects of two-loop renormalisation
Henning Bahl, Daniel Meuser, Georg Weiglein
Results for the full electroweak two-loop contributions of O(Nc^2), where Nc is the colour factor, to the Higgs-boson masses in the MSSM are obtained using a Feynman-diagrammatic a…
New constraints on extended scalar sectors from the trilinear Higgs coupling
Henning Bahl, Johannes Braathen, Georg Weiglein
The trilinear Higgs coupling is a crucial tool to probe the structure of the Higgs potential and to search for possible effects of physics beyond the Standard Model (SM).…
Experimental probes and theoretical concepts for BSM trilinear couplings: a case study for scalar top quarks
Henning Bahl, Johannes Braathen, Georg Weiglein
After the possible discovery of new particles, it will be crucial to determine the properties, and in particular the couplings, of the new states. Here, we focus on scalar trilinea…
Classifying the CP properties of the ggH coupling in H+2j production
Henning Bahl, Elina Fuchs, Marc Hannig +1
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 m…
Topportunities at the LHC: Rare Top Decays with Light Singlets
Henning Bahl, Seth Koren, Lian-Tao Wang
The discovery of the top quark, the most massive elementary particle yet known, has given us a distinct window into investigating the physics of the Standard Model and Beyond. With…
anyH3: precise predictions for the trilinear Higgs coupling in the Standard Model and beyond
Henning Bahl, Johannes Braathen, Martin Gabelmann +1
The trilinear Higgs coupling of the detected Higgs boson is an important probe for physics beyond the Standard Model. Correspondingly, improving the precision of the theo…
A new LHC search for dark matter produced via heavy Higgs bosons using simplified models
Danyer Perez Adan, Henning Bahl, Alexander Grohsjean +3
Searches for dark matter produced via scalar resonances in final states consisting of Standard Model (SM) particles and missing transverse momentum are of high relevance at the LHC…
Theoretical concepts and measurement prospects for BSM trilinear couplings: a case study for scalar top quarks
Henning Bahl, Johannes Braathen, Georg Weiglein
After the possible discovery of new heavy particles at the LHC, it will be crucial to determine the properties and the underlying physics of the new states. In this work, we focus…
HiggsTools: BSM scalar phenomenology with new versions of HiggsBounds and HiggsSignals
Henning Bahl, Thomas Biekötter, Sven Heinemeyer +4
The codes HiggsBounds and HiggsSignals compare model predictions of BSM models with extended scalar sectors to searches for additional scalars and to measurements of the detected H…
New Tools for Dissecting the General 2HDM
Henning Bahl, Marcela Carena, Nina M. Coyle +2
Two Higgs doublet models (2HDM) provide the low energy effective field theory (EFT) description in many well motivated extensions of the Standard Model. It is therefore relevant to…
Report of the Topical Group on Higgs Physics for Snowmass 2021: The Case for Precision Higgs Physics
Sally Dawson, Patrick Meade, Isobel Ojalvo +78
A future Higgs Factory will provide improved precision on measurements of Higgs couplings beyond those obtained by the LHC, and will enable a broad range of investigations across t…
External-leg corrections as an origin of large logarithms
Henning Bahl, Johannes Braathen, Georg Weiglein
Obtaining precise theoretical predictions for both production and decay processes of heavy new particles is of great importance to constrain the allowed parameter spaces of Beyond-…
Tripling down on the boson mass
Henning Bahl, Wen Han Chiu, Christina Gao +2
A new precision measurement of the boson mass has been announced by the CDF collaboration, which strongly deviates from the Standard Model prediction. In this article, we study…
Snowmass White Paper: Prospects of CP-violation measurements with the Higgs boson at future experiments
A. V. Gritsan, H. Bahl, R. K. Barman +15
The search for CP violation in interactions of the Higgs boson with either fermions or bosons provides attractive reference measurements in the Particle Physics Community Planning…
New physics effects on the -boson mass from a doublet extension of the SM Higgs sector
Henning Bahl, Johannes Braathen, Georg Weiglein
Recently, the CDF collaboration has reported a new precision measurement of the -boson mass, , showing a large deviation from the value predicted by the Standard Model (SM)…
Constraining the CP structure of Higgs-fermion couplings with a global LHC fit, the electron EDM and baryogenesis
Henning Bahl, Elina Fuchs, Sven Heinemeyer +5
CP violation in the Higgs couplings to fermions is an intriguing, but not yet extensively explored possibility. We use inclusive and differential LHC Higgs boson measurements to fi…
New constraints on extended Higgs sectors from the trilinear Higgs coupling
Henning Bahl, Johannes Braathen, Georg Weiglein
The trilinear Higgs coupling is crucial for determining the structure of the Higgs potential and for probing possible effects of physics beyond the Standard Model (SM). F…
Simplified models for resonant neutral scalar production with missing transverse energy final states
Henning Bahl, Victor Martin Lozano, Georg Weiglein
Additional Higgs bosons appear in many extensions of the Standard Model (SM). While most existing searches for additional Higgs bosons concentrate on final states consisting of SM…