Abstract
To meet the challenging requirements of next generation parity violation experiments at Jefferson Lab, the Center for Injectors and Sources is working on improving the parity-quality of the electron beam. These improvements include new electron photogun design and fast helicity reversal of the Pockels Cell. We proposed and designed a new scheme for slow helicity reversal using a Wien Filter and two Solenoids. This slow reversal complements the insertable half-wave plate reversal of the laser-light polarization by reversing the electron beam polarization at the injector while maintaining a constant accelerator configuration. For position feedback, fast air-core magnets located in the injector were commissioned and a new scheme for charge feedback is planned.
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Grames, J., Hansknect, J., Poelker, M. et al. Jefferson Lab injector development for next generation parity violation experiments. Hyperfine Interact 201, 69–71 (2011). https://doi.org/10.1007/s10751-011-0294-8
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DOI: https://doi.org/10.1007/s10751-011-0294-8