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Linear Accelerator     South Hall Ring


Linear Accelerator
Total Length (m)160
Number or Sections
-injector linac: 2
-short (3.7m):3
-long (7.4m): 8
Number of Klystrons12
Number of Transmitters6
Accelerator Frequency2856 MHz
RF Pulse Length0-25 µs
Pulse Repetition Rate, maximum1 kHz
Pulse Width of Electron Bunch~15 µs
Transverse Emittance10 pi/gamma mm-mr
Energy Spread for 80% Current0.3%
Beam Duty Cycle, maximum1%
Beam Loading Characteristic, dE/dl (single-pass)~2.5 MeV/mA
Electron Beam Energy, unloaded, maximum (single-pass)540 MeV
Electron Beam Energy, 1=10 mA, maximum (single-pass)515 MeV
Average Beam Current, maximum
(1=10 mA, 1% duty)
100 µA
Recirculated Electron Beam Energy, unloaded, maximum (recirculated)1060 MeV
Peak (recirculated) Beam Current5 mA
Average (recirculated) Beam Current, maximum

South Hall Ring
Circumference190 m
Energy range300-1100 MeV
extracted beam:
duty cycle (projected)85%
current (projected)20 µA
internal beam:
current (projected)200-300 mA
beam lifetime > 5min
   
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X Ray Laser
MIT has explored the construction of a linac-based
x-ray laser user facility at Bates. more..

Electron-Ion
Collider

  • Bates EIC
  • BNL eRHIC

  • William H. Bates Linear Accelerator
    617-253-9200
    M.I.T. Laboratory for Nuclear Science
    Massachusetts Institute of Technology