The 4X source

Conference · Tue Oct 01 04:00:00 EDT 1985 · IEEE Trans. Nucl. Sci.; (United States)

OSTI ID:6077493

Smith, H V; Allison, P; Sherman, J D

Our Penning surface-plasma source (SPS) discharge chamber was enlarged 4X in two dimensions. To date, three pulsed discharge modes have been studied: two with noisy arc (> about20% H/sup -/ current fluctuations) and one with quiescent arc (< about1% H/sup -/ current fluctuations). Lower arc magnetic field and higher H/sub 2/ gas flow allow switching from the noisy to the quiescent mode. The noisy modes yield up to 120 mA of 29-keV H/sup -/ beam; for 110 mA at 29 keV, the two-dimensional normalized rms emittance is 0.017 x 0.018 ..pi.. X cm X mrad. The quiescent mode yields 75 mA of 29-keV H/sup -/ beam; for 67 mA at 24 keV, the emittance is 0.011 x 0.012 ..pi.. X cm X mrad.

• Research Organization: Los Alamos National Laboratory, Los Alamos, NM
• OSTI ID: 6077493
• Report Number(s): CONF-850504-
• Conference Information: Journal Name: IEEE Trans. Nucl. Sci.; (United States) Journal Volume: NS-32:5
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
430301* -- Particle Accelerators-- Ion Sources
ANIONS
BEAM CURRENTS
BEAM EMITTANCE
BEAMS
CHARGED PARTICLES
CURRENTS
ELECTRIC DISCHARGES
ENERGY RANGE
ENERGY YIELD
FUNCTIONAL MODELS
HYDROGEN 1 MINUS BEAMS
HYDROGEN IONS
HYDROGEN IONS 1 MINUS
ION BEAMS
ION SOURCES
IONS
KEV RANGE
KEV RANGE 10-100
MILLI AMP BEAM CURRENTS
PENNING DISCHARGES
PENNING ION SOURCES
PLASMA
YIELDS