The DarkLight Experiment: A Precision Search for New Physics at Low Energies

couldcouple the dark sector to the Standard Model. DarkLight will precisely measure electron protonscattering using the 100 MeV electron beam of intensity 5 mA at the Je erson Laboratory energyrecovering linac incident on a windowless gas target of molecular hydrogen. The complete nal stateincluding scattered electron, recoil proton, and e