ACCELERATOR DEPARTMENT

LOW ENERGY ACCELERATORS

Neutron generator
Basic parameters of the neutron generator
Type reaction T(d, n)4He
Neutron yield (En = 14 MeV) <2·1012 s-1
Neutron flux <1011 n cm-2 ·s-1
Time of double decrease of neutron yield 2 h
Deuteron energy 160 keV
Beam diameter on target (10-20) mm
Radioactivity of the tritium target <150 Ci
Rotation velocity of target 1000 min-1
Power on target <4 kW
Vacuum 10 -6 Torr

Scheme of the neutron generator NG-200:
1 - ion source; 2 - palladium filter; 3, 4- extracting and focusing electrodes;
5 - accelerating tube; 6 - accelerating electrode;
7 - vacuum chamber with pumps; 8 - vacuum valve; 9 - limiting diaphragm
10 - beam interrupter; 11 - rotating vacuum connector;
12 - tritium target; 13 - target cooling system