1. Probing Anomalously High Quantum Efficiency of Self-Healing Gold Photocathodes Alexandra Boldin Dr. Eric Montgomery, Blake Riddick

2. QE and Self-Healing Photocathodes

3. Cesium Auride Spicer et al., Phys. Rev. 115, 57 (1959). Khan et al., J. Vac. Sci. Tech. B 30, 031207 (2012).

4. New Test Chamber

5. CsAu Quantum Efficiency

6. Repeat Testing

7. Conclusion and Future Work Designed, built, and commissioned new CsAu QE test stand Automated data collection Ready for self-healing tests Future: research thermal effects, determine reasons for QE differences