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H-jet problems and plans. A. Zelenski RSC meeting July 22, 2004. H-jet operation April 6 – May 14. Apr.13. Apr.28. May 6-16. May 2. Apr.21-22. Dissociator maintanence. IR 12-vacuum schematic diagram. H-jet. Pwx2.11. Pwx2.12. QMA upgrade for H-jet measurements.

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h jet problems and plans

H-jet problems and plans

A. Zelenski

RSC meeting July 22, 2004

h jet operation april 6 may 14
H-jet operation April 6 – May 14

Apr.13

Apr.28

May 6-16

May 2

Apr.21-22

qma upgrade for h jet measurements
QMA upgrade for H-jet measurements.

Original QMA geometry (right)

Expanded QMA sensitive volume (left)

10 mm

h jet polarimeter scattering chamber1
H-JET POLARIMETER SCATTERING CHAMBER

Analyzing magnet

FC

Electron gun

Extraction optics

slide8

Problems.

  • Turbomolecular pump failures.
  • Frequent dissociator maintenance.
  • Plans.
  • Improve dissociator operation stability and lifetime between services..
  • Measure atomic beam velocity to get a better accuracy for the target thickness.
  • Develop diagnostics devices for molecular hydrogen component measurements.