• Physics
  • Published 1987

EMITTANCE MEASUREMENTS ON THE LBL ECR SOURCE

@inproceedings{Clark1987EMITTANCEMO,
  title={EMITTANCE MEASUREMENTS ON THE LBL ECR SOURCE},
  author={Dennis J. Clark},
  year={1987}
}
Measurements of radial emittance and the upper limit of energy spread have been made using a scanning Faraday cup after a waist, on beams of oxygen, argon and krypton. The general features are that the divergence seen at the scanning cup shows a central core and tails on each side. The un-normalized emittance of the beam core decreases with increasing Q/A in a way that is not explained by simple assumptions about the plasma or extraction system. Data from an experimental 1 mm diameter… CONTINUE READING