2. Max V Min V 1/e * (Max V – Min V) RF pickup signal (200 ps/pt averaged over 100 pts), 7.5 µs beam τTime (µs) Pickup voltage (V)

3. Ratio of minimum pickup voltage to maximum pickup voltage (arb. Units) Beam “tuning” 20 MV/m Reduced intensity 30 MV/m Reduced intensity 10 MV/m Reduced intensity 20 MV/m longer pulse length, full intensity 800 psi H 2 950 psi H 2 20 MV/m reduced intensity 30 MV/m reduced intensity + freq. mod. 10 MV/m reduced intensity 20 MV/m reduced intensity Pulse number Voltage in the cavity with beam

4. July 25 th, 14:43:23, 800 psi H2, 27.8 MV/m, full beam intensity 0.0202720.00405443.0408E-081.900500E+11 VoltageCurrentChargeProtons

5. July 25 th, 15:12:38, 800 psi H2, 20 MV/m, reduced beam intensity 0.00510530.001021077.65801E-094.786256E+10 VoltageCurrentChargeProtons

6. July 25 th, 800 psi H2, 20 MV/m, reduced beam intensity Before RF “problem” After RF “problem” Min pickup V / max pickup V (arb. units) Pulse number

7. July 25 th, 15:51:47, 800 psi H2, 30 MV/m, reduced beam intensity VoltageCurrentChargeProtons 0.00502330.001004667.53498E-094.709363E+10

8. July 25 th, 800 psi H2, 30 MV/m, reduced beam intensity Min pickup V / max pickup V (arb. units) Pulse number

9. July 25 th, 16:06:08, 800 psi H2, 10 MV/m, reduced beam intensity VoltageCurrentChargeProtons 0.00437260.000874516.55884E-094.099275E+10

10. July 25 th, 800 psi H2, 10 MV/m, reduced beam intensity Min pickup V / max pickup V (arb. units) Pulse number

11. July 25 th, 16:18:59, 800 psi H2, 20 MV/m, full beam intensity, longer RF pulse 0.02426430.004852863.63965E-082.274778E+11 VoltageCurrentChargeProtons

12. July 25 th, 16:25:18, 800 psi H2, 20 MV/m, full beam intensity, longer beam length &RF pulse 0.02439850.00487973.65978E-082.287359E+11 VoltageCurrentChargeProtons

13. Min pickup V / max pickup V (arb. units) Pulse number July 25 th, 800 psi H2, 20 MV/m, full beam intensity, longer beam length &RF pulse

14. July 25 th, 16:41:04, 950 psi H2, 20 MV/m, full beam intensity VoltageCurrentChargeProtons 0.02404080.004808163.60612E-082.253825E+11

15. July 25 th, 16:45:16, 950 psi H2, 20 MV/m, reduced beam intensity VoltageCurrentChargeProtons 0.00616120.001232259.24186E-095.776163E+10

16. July 25 th, 950 psi H2, 20 MV/m, reduced beam intensity Min pickup V / max pickup V (arb. units) Pulse number

17. July 25 th, 16:54:44, 950 psi H2, 30 MV/m, reduced beam intensity VoltageCurrentChargeProtons 0.00427560.000855126.41343E-094.008394E+10

18. July 25 th, 950 psi H2, 30 MV/m, reduced beam intensity, frequency modulation Min pickup V / max pickup V (arb. units) Pulse number

19. July 25 th, 17:11:32, 950 psi H2, 10 MV/m, reduced beam intensity VoltageCurrentChargeProtons 0.00527710.001055427.91562E-094.947263E+10

20. July 25 th, 17:11:32, 950 psi H2, 10 MV/m, reduced beam intensity Min pickup V / max pickup V (arb. units) Pulse number