Mr
Matteo Capozi
(MPI)
26/09/2018, 16:30
Particle Phenomenology
We will discuss Higgs Boson pair production at full NLO including deviations from the Standard Model arising in an Effective Field Theory framework,
the Electro-weak chiral Lagrangian (EWChL). We will briefly review the calculation and then show results for some benchmark points in the BSM parameter space. Subsequently we will discuss how to write the cross section as a function of the 5...
Junya Nakamura
(Universität Tübingen)
26/09/2018, 16:47
Particle Phenomenology
In this talk I show that the Z boson polarization has relevant information to distinguish the signal $pp\to ZH$, $H\to b\bar{b}$ from the dominant irreducible background $Zb\bar{b}$, and can help us to observe the largest Higgs boson branching ratio in this channel.
Mr
Jonas Mueller
(ITP-KIT)
26/09/2018, 17:07
Particle Phenomenology
The generation of the observed matter-antimatter asymmetry in the universe through baryogenesis cannot be explained in the Standard Model. We therefore investigate the possibility of a strong first order electroweak phase transition in the Next-to-Two-Higgs Doublet model (N2HDM) where we extended the CP-conserving Two-Higgs-Doublet model with an additional real singlet. The type I and II of...
Mr
Marco Bonetti
(TTP KIT)
26/09/2018, 17:24
Particle Phenomenology
The study of the Higgs boson properties is one of the main tasks of contemporary high-energy physics. Among Higgs properties, its interaction with gluons is interesting since it can be facilitated by yet unknown elementary particles. One of the major sources of uncertainty in the theoretical description of $ggH$ coupling originates from mixed QCD-electroweak contributions. The NLO QCD...
Dr
Wolfgang Gregor Hollik
(DESY)
26/09/2018, 17:41
Particle Phenomenology
In the context of canonical superconformal supergravity, Higgs inflation can be elegantly incorporated with a non-minimal Higgs coupling to supergravity. Such a conformal candidate model can be the Next-to-Minimal Supersymmetric Standard Model. Superconformal breaking induces extra terms in the effective Superpotential at low scales. We study the phenomenology of this model at the electroweak...
Mr
Philip Dießner
(DESY)
26/09/2018, 18:01
Particle Phenomenology
SUSY continues to elude direct searches at Run 2 of the LHC. Hence, indirect probes like electroweak precision observables are relevant to explore the parameter space of a model. The mass of W boson is such an observable where the LHC experiments are on their way improve on the uncertainties of the experimental result. The prediction for $M_W$ has been studied in depth in the MSSM and...
Mr
Jordan BERNIGAUD
(LAPTh)
26/09/2018, 18:21
Particle Phenomenology
We investigated different methods for the reconstruction of the lightest up-type squark flavour structure in the framework of the MSSM with non minimal flavour violation.
Dr
Daniel Dercks
(University of Hamburg)
26/09/2018, 18:38
Particle Phenomenology
We scrutinize the allowed parameter space of Little Higgs models with the concrete symmetry of T-parity by providing comprehensive LHC analyses of all relevant production channels of heavy vectors, top partners, heavy quarks and heavy leptons and all phenomenologically relevant decay channels. Constraints on the model will be derived from the signatures of jets and missing energy or leptons...