Author

C. H. D. de Lima

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Preprint Aug 2026

Neutrino Electroweak Couplings and the Neutrino Fog at Belle II

The mono-photon process $e^+e^- \to \gamma+\mathrm{invisible}$ at Belle II probes both invisible new states and the electroweak couplings of neutrinos. In this work, we study the process $e^+e^- \to \gamma\nu\bar{\nu}$, finding that Belle II with the full expected dataset can determine the neutrino-sensitive effective...

C. H. D. de Lima, D. McKeen, Afif Omar et al. · 0 citations

Preprint Jul 2026

High Energy Photon Polarimetry at Lepton Colliders: Quantum Information from Converted Photons

We study high-energy photons produced at a lepton collider that convert into an $e^+e^-$ pair in the detector, as a tool for measuring quantum information observables. We consider single- and double-conversion processes in $e^+e^- \to \gamma\gamma$ and $e^+e^- \to e^+e^-\gamma$. Single conversions enable an in situ ext...

C. H. D. de Lima, N. McGinnis, D. McKeen · 1 citation