23 citations · 26 across the 11 of their papers we have counts for
10 papers · 1 filter
Probing SMEFT at Belle II with displaced dilepton vertices
Patrick D. Bolton, Fabian Esser, Lukáš Gráf +3
The existence of right-handed (RH) neutrinos is strongly motivated by the observation of small neutrino masses and as a means to shed light on the origin of parity violation in the…
Cartography of LNV dim-9 SMEFT: Implications for Radiative Neutrino Masses and
Fabian Esser, Lukáš Gráf, Chandan Hati
We perform a systematic study of lepton-number-violating (LNV) dimension-9 operators in the Standard Model Effective Field Theory (SMEFT) that can mediate neutrinoless double beta…
A global analysis of ALP-mediated multiboson production at the LHC
Fabian Esser, Alexandre Salas-Bernardez, Maria Ubiali +1
Axion-like particles (ALPs) provide a well-motivated framework for physics beyond the Standard Model, coupling to gauge bosons through dimension-five operators protected by an appr…
Probing the coupling of axions to tops and gluons with LHC measurements
Jon Butterworth, Matthew Cullingworth, Joseph Egan +3
We study axion-like particles (ALPs) whose dominant interactions are with gluons and third-generation quarks, and whose couplings to light Standard Model (SM) particles arise at on…
Faking ZZZ vertices at the LHC
Ricardo Cepedello, Fabian Esser, Martin Hirsch +1
Searches for anomalous neutral triple gauge boson couplings (NTGCs) provide important tests for the gauge structure of the standard model. At the LHC, NTGCs are searched for via th…
Di-Higgs production via Axion-Like Particles
Fabian Esser, Maeve Madigan, Alexandre Salas-Bernardez +2
Due to the pseudo-scalar nature of the axion-like particle (ALP), the CP- conserving production of two Higgs bosons via the ALP necessarily involves an additional Z or boson. W…
Fermionic UV models for neutral triple gauge boson vertices
Ricardo Cepedello, Fabian Esser, Martin Hirsch +1
Searches for anomalous neutral triple gauge boson couplings (NTGCs) provide important tests for the gauge structure of the standard model. In SMEFT ("standard model effective field…
On the coupling of axion-like particles to the top quark
Fabian Esser, Maeve Madigan, Veronica Sanz +1
In this paper we explore the coupling of a light axion-like particle (ALP) to top quarks. We use high-energy LHC probes, and examine both the direct probe to this coupling in assoc…
SMEFT goes dark: Dark Matter models for four-fermion operators
Ricardo Cepedello, Fabian Esser, Martin Hirsch +1
We study ultra-violet completions for d = 6 four-fermion operators in the standard model effective field theory (SMEFT), focusing on models that contain cold dark matter candidates…
Mapping the SMEFT to discoverable models
Ricardo Cepedello, Fabian Esser, Martin Hirsch +1
The matching of specific new physics scenarios onto the SMEFT framework is a well-understood procedure. The inverse problem, the matching of the SMEFT to UV scenarios, is more diff…