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BEST 70p Cyclotron - specifications
Type of Cyclotron
Negative hydrogen ion (H-)
External ion source, multi-cusp 15-20 mA
Simultaneous double beam extraction
Up to 6 beam lines, custom design configuration
Beam Current
700 µA, combined beam current
Beam Energy
35 to 70 MeV variable energy extraction
Magnet
Magnet coil
................................................ ~127 kAT
Magnet weight
.......................................... ~195 tons
Maximum magnetic field
........................ 1.6 T
Geometry
................................................... 4 Sector, deep valley
Hill sector angle
....................................... 50°
Hill gap
....................................................... 6 to 4.69 cm
RF System
Number of Dees
....................................... 2
Dee Voltage
............................................... 60 to 81 kV
RF frequency
............................................ 58 MHz, 4th harmonic
Power required
........................................ 28 kW (nominal)
Vacuuum System
Ion source
................................................... <1 x 10-5 Torr
Main tank
.................................................... <1.5 x 10-7 Torr
Pumps
......................................................... 7 cryo pumps
Control System (Automated)
Computer system
...................................... Standard PC, Windows XP
Controllers
.................................................. Siemens Industrial PC Modules
User console
.............................................. Color Monitor
Interface
....................................................... Graphical user interface
Networking
.................................................. Standard thin-wire ethernet hardware
External Production Targets
The cyclotron is supplied with high current solid target stations and high current
gas target stations.
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