337 citations · 1.7k across the 39 of their papers we have counts for
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Higgs Boson Pair Production via Gluon Fusion: Higher-Order Corrections and Theoretical Uncertainties
Ajjath A H, Simone Alioli, Emanuele Bagnaschi +51
In this contribution, the higher-order QCD and electroweak corrections to Standard Model Higgs boson pair production via the gluon-fusion mechanism, , are summarized and…
Higgs boson pair production in SMEFT: shape and truncation studies
Manosch Bär, Bakar Chargeishvili, Ramona Gröber +2
We present a comparative study of the influence of Wilson coefficients on Higgs boson pair production cross sections in SMEFT up to dimension-6, also including loop-suppressed oper…
Precise predictions for double Higgs production in association with a vector boson in Effective Field Theory
Ramona Gröber, Michał Ryczkowski, Gioia Sacchi
We present next-to-next-to-leading order (NNLO) QCD predictions for Higgs boson pair production in association with a weak gauge boson, with , in effective…
Electroweak Higgs boson pair production: Updated inclusive cross sections
Ramona Gröber, Alexander Karlberg, Mathieu Pellen +2
We present updated inclusive cross sections for electroweak Higgs boson pair production for energies of relevance to the LHC and High-Luminosity phase of the LHC. The cross section…
Higgs probes of top contact interactions and their interplay with Higgs self-coupling
Stefano Di Noi, Ramona Gröber
We present a method which relies on loop contributions from four-top SMEFT operators to single Higgs observables to contrain their Wilson coefficients. Such loop-induced terms have…
Renormalisation group running effects in in the Standard Model Effective Field Theory
Stefano Di Noi, Ramona Gröber
We study the effects of renormalisation group running of the Wilson coefficients in Standard Model Effective Field Theory, using the process as a showcase. We c…
Higgs boson pair production at NLO in the POWHEG approach and the top quark mass uncertainties
Emanuele Bagnaschi, Giuseppe Degrassi, Ramona Gröber
We present a new Monte Carlo code for Higgs boson pair production at next-to-leading order in the POWHEG-BOX Monte Carlo approach. The code is based on analytic results for the two…
Light-quark Yukawa couplings from off-shell Higgs production
Elisa Balzani, Ramona Gröber, Marco Vitti
Yukawa couplings of the first quark generation are notoriously difficult to constrain due to their small values within the Standard Model. Here we propose Higgs off-shell productio…
Effective Field Theory descriptions of Higgs boson pair production
Lina Alasfar, Luca Cadamuro, Christina Dimitriadi +9
Higgs boson pair production is traditionally considered to be of particular interest for a measurement of the trilinear Higgs self-coupling. Yet it can offer insights into other co…
Machine learning the trilinear and light-quark Yukawa couplings from Higgs pair kinematic shapes
Lina Alasfar, Ramona Gröber, Christophe Grojean +2
Revealing the Higgs pair production process is the next big challenge in high energy physics. In this work, we explore the use of interpretable machine learning and cooperative gam…
On the NLO QCD Corrections to Gluon-Initiated ZH Production
Giuseppe Degrassi, Ramona Gröber, Marco Vitti +1
We compute the QCD corrections at next-to-leading order for the process , including both the virtual two-loop terms and real-emission contributions. The two-loop…
Higgs physics confronts the anomaly
Luca Di Luzio, Ramona Gröber, Paride Paradisi
The recent high-precision measurement of the mass by the CDF collaboration is in sharp tension with the Standard Model prediction as obtained by the electroweak fit. If confirm…
Gluon Fusion Production at NLO: Merging the Transverse Momentum and the High-Energy Expansions
Luigi Bellafronte, Giuseppe Degrassi, Pier Paolo Giardino +2
The virtual corrections to and are analytically evaluated combining an expansion in the small transverse momentum of the final particles with an expansion val…
Higgs probes of top quark contact interactions and their interplay with the Higgs self-coupling
Lina Alasfar, Jorge de Blas, Ramona Gröber
We calculate the dominant contributions of third generation four-quark operators to single-Higgs production and decay. They enter via loop corrections to Higgs decays into gluons,…
Virtual corrections to via a transverse momentum expansion
Lina Alasfar, Giuseppe Degrassi, Pier Paolo Giardino +2
We compute the next-to-leading virtual QCD corrections to the partonic cross section of the production of a Higgs boson in association with a boson in gluon fusion. The calcula…
Higgs-mass predictions in the MSSM and beyond
P. Slavich, S. Heinemeyer, E. Bagnaschi +36
Predictions for the Higgs masses are a distinctive feature of supersymmetric extensions of the Standard Model, where they play a crucial role in constraining the parameter space. T…
Probing Higgs couplings to light quarks via Higgs pair production
Lina Alasfar, Roberto Corral Lopez, Ramona Gröber
We consider the potential of the Higgs boson pair production process to probe the light quark Yukawa couplings. We show within an effective theory description that the prospects of…
Two-Loop Corrections to the Neutral Higgs Boson Masses in the CP-Violating NMSSM
T. N. Dao, R. Gröber, M. Krause +2
We present our calculation of the two-loop corrections of to the neutral Higgs boson masses of the CP-violating Next-to-Minimal Supersymmetric extension of the St…
A Numerical Routine for the Crossed Vertex Diagram with a Massive-Particle Loop
Roberto Bonciani, Giuseppe Degrassi, Pier Paolo Giardino +1
We present an evaluation of the two master integrals for the crossed vertex diagram with a closed loop of top quarks that allows for an easy numerical implementation. The different…
The CLIC Potential for New Physics
J. de Blas, R. Franceschini, F. Riva +100
The Compact Linear Collider (CLIC) is a mature option for the future of high energy physics. It combines the benefits of the clean environment of colliders with operation…
Probing new electroweak states via precision measurements at the LHC and future colliders
Luca Di Luzio, Ramona Gröber, Giuliano Panico
Several new physics scenarios, motivated e.g. by dark matter, feature new electroweakly charged states where the lightest particle in the multiplet is stable and neutral. In such c…
An Analytical Method for the NLO QCD Corrections to Double-Higgs Production
Roberto Bonciani, Giuseppe Degrassi, Pier Paolo Giardino +1
We propose a new method to calculate analytically higher-order perturbative corrections and we apply it to the calculation of the two-loop virtual corrections to Higgs pair product…
Searches for vector-like quarks at future colliders and implications for composite Higgs models with dark matter
Mikael Chala, Ramona Gröber, Michael Spannowsky
Many composite Higgs models predict the existence of vector-like quarks with masses outside the reach of the LHC, e.g. TeV, in particular if these models contain a…
Reconstruction of top-quark mass effects in Higgs pair production and other gluon-fusion processes
Ramona Gröber, Andreas Maier, Thomas Rauh
We propose a novel method for the treatment of top-quark mass effects in the production of , , and final states in gluon fusion. We show that it is possible…