A Proposal for the Lohengrin Experiment to Search for Dark Sector Particles at the ELSA Accelerator

Philip Bechtle (Bonn U.), Dominique Breton (IJCLab, Orsay), Carlos Orero Canet (Valencia U., IFIC), Klaus Desch (Bonn U.), Herbi Dreiner (Bonn U.) et al.

e-Print: 2410.10956 [hep-ex]

Focus topics for the ECFA study on Higgs / Top / EW factories

Jorge de Blas (Granada U.), Patrick Koppenburg (Nikhef, Amsterdam), Jenny List (DESY), Fabio Maltoni (Louvain U.), Juan Alcaraz Maestre (Madrid, CIEMAT) et al.

e-Print: 2401.07564 [hep-ph]