Simulations of a Tungsten-Copper Faraday Cup for the Measurement of Electron Beam Charge in the Tensor Polarized Experiments at Hall C in Jefferson Lab

There are two experiments approved to use a deuteron tensor polarized target to measure Quasi-Elastic (QE) and Deep Inelastic Scattering (DIS) in Hall C at Jefferson Lab. The more stringent requires monitoring relative changes in the beam current from hour to hour at the 0.01% level. Unfortunately, the standard Hall C Beam Current Monitors, based on resonant cavities that are temperature-stabilized, have short cyclical gain variations of several times 0.1%. It appears that a suitable technology to fulfill this requirement is the use of a Faraday Cup (FC). To build this FC, we plan to repurpose an existing W-Cu calorimeter which will be subject to abeam power to be 1.1 kWatts. In this talk, I will summarize the results of Geant4 simulation to study and model the possible configuration for the tensor experiments for damage-free operation.