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Reconstructing axion-like particles from beam dumps with simulation-based inference
Alessandro Morandini, Torben Ferber, Felix Kahlhoefer
Axion-like particles (ALPs) that decay into photon pairs pose a challenge for experiments that rely on the construction of a decay vertex in order to search for long-lived particle…
Dark Higgs Bosons at Colliders
Torben Ferber, Alexander Grohsjean, Felix Kahlhoefer
The Large Hadron Collider (LHC) has confirmed the Higgs mechanism to be responsible for generating mass in the Standard Model (SM), making it attractive to also consider spontaneou…
Forecasting dark showers at Belle II
Elias Bernreuther, Kai Böse, Torben Ferber +4
Dark showers from strongly interacting dark sectors that confine at the GeV scale can give rise to novel signatures at colliders. In this work, we study the sensitivity of…
Belle II sensitivity to long-lived dark photons
Torben Ferber, Camilo Garcia-Cely, Kai Schmidt-Hoberg
In this letter we point out that the Belle II experiment has a unique sensitivity to visibly decaying long-lived dark photons. Concentrating on the signatures with a single high en…
Displaced or invisible? ALPs from decays at Belle II
Torben Ferber, Anastasiia Filimonova, Ruth Schäfer +1
At colliders, neutral long-lived particles can be detected through displaced decay products or as missing energy. Which search strategy is better depends on the particle's decay le…
Physics reach of a long-lived particle detector at Belle II
Sascha Dreyer, Torben Ferber, Anastasiia Filimonova +9
We have studied three realistic benchmark geometries for a new far detector GAZELLE to search for long-lived particles at the \superkekb accelerator in Tsukuba, Japan. The new dete…