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 A, 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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