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20112025
most citedFeebly-Interacting Particles:FIPs 2020 Workshop Report

289 citations · 2.5k across the 51 of their papers we have counts for

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hep-ph2024

Displaced Searches for Axion-Like Particles and Heavy Neutral Leptons at Mu3e

Simon Knapen, Toby Opferkuch, Diego Redigolo +1

We present strategies for the Mu3e experiment to search for light, weakly coupled particles produced in rare muon decays, focusing on displaced decays within the hollow ta…

hep-ph2024

Large CP violation in flavor violating muon decays

Diego Redigolo, Michele Tammaro, Andrea Tesi

We identify new room for CP violation in lepton flavor violating observables not bound by the electric dipole moment of leptons. By focusing on new physics in the muon-electron sec…

hep-ph2024

Fusing photons into diphoton resonances at Belle II and beyond

Francesca Acanfora, Roberto Franceschini, Alessio Mastroddi +1

We propose a new search for a diphoton resonance in the final state at Belle II that improves the expected reach compared to the channel in most of the available…

hep-ph2024

Probing New Physics at Cosmic Dawn with 21-cm Cosmology

Omer Zvi Katz, Nadav Outmezguine, Diego Redigolo +1

21-cm cosmology provides an exciting opportunity to probe new physics dynamics in the early universe. In particular, a tiny sub-component of dark matter that interacts strongly wit…

hep-ph2023

A Robust Search for Lepton Flavour Violating Axions at Mu3e

Simon Knapen, Kevin Langhoff, Toby Opferkuch +1

We propose a search at Mu3e for lepton flavor violating axion(-like) particles in decays. By requiring an additional pair from internal conversion, one can c…

hep-ph2023

Angling for Insights: Illuminating Light New Physics at Mu3e through Angular Correlations

Simon Knapen, Kevin Langhoff, Toby Opferkuch +1

We examine the capability of Mu3e to probe light new physics scenarios that produce a prompt electron-positron resonance and demonstrate how angular observables are instrumental in…