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A 15 mA beam from the 15-20 mA DC H- multicusp source has been obtained at CIAE.In order to improve the emmittance of extracted beam from this new multicusp source,some measures have been
A 15 mA beam from the 15-20 mA DC H-multicusp source has been obtained at CIAE. Order to improve the emmittance of extracted beam from this new multicusp source, some measures have been