Conveners
P1
- Dan Faircloth (STFC)
- Jacques lettry (CERN)
The Extremely Low ENergy Antiproton (ELENA) is a compact ring that was recently installed to complement the antimatter factory at CERN. A local H-/p source has been installed in ELENA for commissioning purposes of the ring and subsequent electrostatic transfer lines toward experiments, allowing to progress with the commissioning phase also in the absence of antiprotons. The ELENA source can...
The ISIS pulsed spallation neutron and muon facility uses a Penning surface-plasma ion source to deliver high current, high repetition rate, long pulse H- beams for accelerator operations. Several variations of the Penning source have been tested, primarily with a view to higher duty-cycle operation in future facilities. It has been noted that the different source configurations...
Since present-day high-power negative hydrogen ion sources are based on the surface conversion mechanism of atomic and ionic hydrogen species, they rely on a low work function converter surface. Currently, the alkali metal Cs (bulk work function of 2.14 eV) is continuously evaporated onto refractory metals during the ion source operation to generate low work function coatings by chemisorption....
