Difference between revisions of "Absolute Beam Energy"
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| Line 25: | Line 25: | ||
Goals: | Goals: | ||
- Increase beam kinetic energy to '''8.5 MeV'''. | - Increase beam kinetic energy to '''8.5 MeV'''. | ||
| − | - Reduce the uncertainty on the absolute beam energy to '''<0.1%''' and achieve a relative beam energy of '''<0. | + | - Reduce the uncertainty on the absolute beam energy to '''<0.1%''' and achieve a relative beam energy of '''<0.02%'''. |
Revision as of 10:46, 9 December 2013
Summary of Beam Properties in JLab Injector
| Beam Kinetic Energy, T (MeV) | 3.0 – 7.75 |
| Beam Current (µA) | 0.01 – 100 |
| Absolute Beam Energy | 0.36% |
| Relative Beam Energy | 0.1% |
| Energy Resolution (Spread), σT /T | 0.06% |
| Beam Size, σx,y (mm) | 1 – 2 |
Goals: - Increase beam kinetic energy to 8.5 MeV. - Reduce the uncertainty on the absolute beam energy to <0.1% and achieve a relative beam energy of <0.02%.
PEPPo Results
Momentum Measurement:
- Joe's summary of beam momentum: Media:130724_Bubble_Grames.pdf
- Joe's presentation at PEPPo Collaboration Meeting: Media:Collab_Momentum_Grames.pdf
- Joe's followup: Media:130718_FollowUp_Momentum_Grames.pdf
- Joe's followup: BPM quad centering Media:130726_MomentumFollowUp2_Grames.pdf
Cryounit Gradient:
- Upper limit of the electron beam energy at the CEBAF 2D injector spectrometer and its functionality
Jonathan Dumas, Joe Grames, and Eric Voutier Media:JLAB-TN-08-086.pdf