1. Heater Control and Plasma Optimization Matthew Bohman ALPHA Collaboration University of Michigan Semester at CERN 1

2. Bakeout and Heater Control 2

3. Heater Control Schematic 3

4. New System Serial Data Current 4

5. Plasma Optimization 5

6. Three Body Recombination Anti-Hydrogen Formation Radiative Recombination Small, dense, and cold plasmas will maximize anti-hydrogen formation rates 6

7. Formation Rates 7

8. Rotating Wall 8

9. Uncompressed Plasmas 9

10. Partially Compressed, Centrifugally Separated 10

11. Fully Compressed Plasmas 11

12. Cooling 12

13. Evaporative and Sympathetic Cooling 13

14. Evaporative Cooling 14

15. Sources: Slide 6, 7, 8, 13: images and equations from E. Butler, Antihydrogen formation, dynamics and trapping, Ph. D. thesis, Swansea University (2011). Slide 12: image from EUROfusion 15