rnton, Frequency-Modulation and Radiofrequency System
for the Modified Berkeley Cyclotron, UCRL-3362, April 3, 1956.

8. Robert R. Wilson, Particle Accelerators, Scientific American _198_,
64-76 (March 1958).

APPENDIX

SUMMARY OF SPECIFICATIONS

Present fields of research % of time
-------------------------- ---------
Nuclear physics 86
Nuclear chemistry 2
Biophysics 12

_Scheduled operation_ 156 hours/week

_Performance_

_Internal Beams_

Alpha Helium-3
Protons Deuterons particles ions
------- --------- --------- --------
Maximum energy (Mev) 730 460 910 1140
Energy spread (Mev) 55
Beam intensity
Average current ([mu]a) 0.75 0.75 0.25
Peak current ([mu]a) 120 120 40
Beam radius, maximum (in.) 82 82 82 82
Time required for
acceleration (msec) 6 4.5 4.5
Number of revolutions
during acceleration 75,000 60,000 60,000
Distance traveled during
acceleration (miles) 450 360 360
Velocity at maximum energy
(% of speed of light) 82 60 60 69
Mass increase at maximum
energy (% of rest mass) 75 25 25 40
Range of full-energy
particles (in. of aluminum) 37 12 7

_External Beams_

Physics cave Meson cave
----------------------- -------------------
Protons Neutrons [pi]^+ [pi]^+ [pi]^-
------- -------- ------ -------- ---------
Energy (Mev) 730 310 100|250 100| 300
Energy spread (Mev) 14 10| 20 10| 30
Beam area (cm^2) 25 40 100|100 100| 100
Flux (particles/cm^2-sec) 2x10^10 5x10^5 5x10^4 1000|100 1500|1000

_Acceleration chamber (vacuum tank)_

Size
length (ft) 25
width (ft) 20
height (ft)