242 citations · 4.8k across the 114 of their papers we have counts for
116 papers
Radiative neutrino masses and the Cohen-Kaplan-Nelson bound
Patrick Adolf, Martin Hirsch, Heinrich Päs
Recently, an increasing interest in UV/IR mixing phenomena has drawn attention to the range of validity of standard quantum field theory. Here we explore the consequences of such a…
Tree-level UV completions for SMEFT and operators
Rebeca Beltrán, Ricardo Cepedello, Martin Hirsch
We study ultra-violet completions for operators in standard model effective field theory extended with right-handed neutrinos (SMEFT). Using a diagrammatic method, we generate…
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…
Reinterpretation of searches for long-lived particles from meson decays
Rebeca Beltrán, Giovanna Cottin, Martin Hirsch +2
Many models beyond the Standard Model predict light and feebly interacting particles that are often long-lived. These long-lived particles (LLPs) in many cases can be produced from…
Long-lived heavy neutral leptons from mesons in effective field theory
Rebeca Beltrán, Giovanna Cottin, Juan Carlos Helo +3
In the framework of the low-energy effective field theory of the Standard Model extended with heavy neutral leptons (HNLs), we calculate the production rates of HNLs from meson dec…
Long-lived heavy neutral leptons with a displaced shower signature at CMS
Giovanna Cottin, Juan Carlos Helo, Martin Hirsch +3
We study the LHC discovery potential in the search for heavy neutral leptons (HNL) with a new signature: a displaced shower in the CMS muon detector, giving rise to a large cluster…