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Extraction for 14N5+ ion acceleration regime
14 November 2008 Extraction for 14N5+ ion acceleration regime E.E. Perepelkin and S.B. Vorozhtsov JINR, Dubna
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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
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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%
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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
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Conclusion What is the FD (freedom degrees) for ESD
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