Main parameters of linacs  
in the RNB facility
SCRFQ/IH LINAC RFQ IH   
Frequency (f) 25.96 51.92 MHz
Total length 8.6 5.6 m
Diameter 0.9 1.49 for tanks 1-3 m
1.34 for tank 4 m
Synchronous phase (f) -30 -25 deg.
Charge-to-mass ratio (q/A) ³1/28 ³1/10   
Input energy (Tin) 2.1 178 keV/u
Output energy (Tout) 0.178 0.14-1.09   MeV/u
Normalized acceptance (An) 0.86p 1.7p mm·mrad
Duty factor 30 100 %
Repetition rate 20-1000                         Hz
IH2 LINAC Tank 1 Tank 2   
Frequency (f) 129.8    MHz
Tank length 1.15 1.35 m
Synchronous phase (f) -25    deg.
Charge-to-mass ratio (q/A) ³1/7      
Normalized acceptance 1.4p mm·mrad
Input energy (Tin) 1.05 1.54 MeV/u
Output energy (Tout) 1.54 2.03 MeV/u
Gap voltage (Vg) 250    kV
Duty factor 100    %
SC-LINAC         
Frequency (f) 129.8 MHz
Number of cavities 40   
Cavity   l/4 resonator   
Gap voltage (Vg) 0.375 MV
Optimum ion velocity (b0) 0.1   
Synchronous phase (f) -25 deg.
Input energy (Tin) 2 MeV/u
Output energy (Tout) 5 for q/A=1/7 MeV/u
8 for q/A=1/4
Normalized acceptance 1.4p mm·mrad
Duty factor 100 %