UITF Notes

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MeV beam time

  • Measure MeV dispersion with BPMs
  • TM beam to 703 to see RF drift (full shift)
  • Verify optics setup for HKDL
  • Ascertain the true frequency of the aliased GMES peak. Can the 105 kHz peak be the same that was 692 Hz in the last run?
  • Buncher scan at 2-cell=2.5, 7-cell=9.0, both crested
    • 6.2: IHAM703.07242022_15:16:35 0.6895
    • 6.1: IHAM703.07242022_15:18:24 0.5668
    • 6.0: IHAM703.07242022_15:19:35 0.4742
    • 5.9: IHAM703.07242022_15:20:50 0.4824
    • 5.8: IHAM703.07242022_15:22:06 0.3907
    • 5.7: IHAM703.07242022_15:23:14 0.3058
    • 5.6: IHAM703.07242022_15:24:22 0.4229
    • 5.5: IHAM703.07242022_15:25:27 0.4106
    • 5.4: IHAM703.07242022_15:26:26 0.4095
    • 5.3: IHAM703.07242022_15:27:33 0.4558
    • 5.2: IHAM703.07242022_15:28:37 0.4519
    • 5.1: IHAM703.07242022_15:29:38 0.4807
    • 5.0: IHAM703.07242022_15:30:37 0.3753
    • 4.9: IHAM703.07242022_15:31:40 0.5776
    • 4.8: IHAM703.07242022_15:32:41 0.5999
    • 4.7: IHAM703.07242022_15:33:41 0.6239
    • 4.6: IHAM703.07242022_15:36:26 0.6529
  • Buncher scan at 2-cell=2.65, -20 degrees, 7-cell=9.0 on crest
    • 6.0: IHAM703.07242022_15:52:12 0.7322
    • 5.9: IHAM703.07242022_15:53:17 0.7402
    • 5.8: IHAM703.07242022_15:54:18 0.5116
    • 5.7: IHAM703.07242022_15:55:19 0.4240
    • 5.6: IHAM703.07242022_15:56:19 0.5280
    • 5.5: IHAM703.07242022_15:57:20 0.4401
    • 5.4: IHAM703.07242022_15:58:22 0.4363
    • 5.3: IHAM703.07242022_15:59:22 0.4799
    • 5.2: IHAM703.07242022_16:00:20 0.5588
    • 5.1: IHAM703.07242022_16:01:21 0.4852
    • 5.0: IHAM703.07242022_16:02:22 0.7616
    • 4.9: IHAM703.07242022_16:03:21 0.5443, but long tail


keV beam time

  • LVQE scan at different voltages. Expect same result.
  • HVQE scan at different voltages. Expect different result.
    • CST: Does thermal energy affect collection efficiency?
  • High current to FC2 for 12+ hours, check if drift is gone

Beam line modifications

  • Put HKDL stuff into the machine ahead of time!