1. Extraction for 14N5+ ion acceleration regime
14 November 2008
Extraction for 14N5+ ion acceleration regime
E.E. Perepelkin and S.B. Vorozhtsov
JINR, Dubna

2. Symmetrical and Asymmetrical Dee voltage
For geometry courtesy of A. Vorozhtsov
Dee 1 = 41.2 kV
Dee 1 = 46.7 kV
Starting point from equilibrium orbit
R = 100 mm, Θ = 129°
Z = 0 mm, Pr = 0,
Wk = 1.87 MeV,
φRF = 110°
Spiral structure
Dee 2 = 46.7 kV
Dee 2 = 49 kV

3. Extraction For geometry courtesy of A. Vorozhtsov I = 40% I = − 5.1%
B1 phase from HC = 49°
Outward radial shift 8mm
Starting point located at the inflector entrance
Clockwise angle shift 2°
I = 5.1%
I = − 40%

4. For geometry courtesy of A. Vorozhtsov
ESD with gap 6 mm
For geometry courtesy of A. Vorozhtsov
Voltage 50 kV
(not optimal)
Entrance
Entrance
Entrance
Exit
5 mm
Exit
Wk = 6.96 MeV/u

5. Conclusion
What is the FD (freedom degrees) for ESD