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@unpublished{wu:ecris2024-tup02,
% --- JACoW template Dec 2024 ---
author = {Q. Wu and Y.G. Liu and L.T. Sun and H.W. Zhao},
title = {{An electrostatic ion beam transport system for intense proton source}},
eventtitle = {26th Int. Workshop Electron Cyclotron Resonance Ion Sources (ECRIS'24)},
eventdate = {2024-09-15/2024-09-19},
language = {english},
intype = {presented at},
series = {International Workshop on Electron Cyclotron Resonance Ion Sources},
number = {26},
venue = {Darmstadt, Germany},
note = {presented at the 26th Int. Workshop Electron Cyclotron Resonance Ion Sources (ECRIS'24) in Darmstadt, Germany, unpublished},
abstract = {{The Ion Source Group has undertaken a R&D project of a compact low energy injector. The project is the development of an intense proton source and low energy beam (LEBT) for a transportable neutron source. The specific characteristics of the injector are low power consumption, compact and low beam emittance. An electrostatic low energy beam transport with a double Einzel-Lens setup is used to deliver 30 keV H⁺ beam to the entrance of a 2.5 MeV RFQ. A 2.45 GHz ECR ion source was adopted to provide 15 emA H⁺, H₂⁺ and H₃⁺ beams with a duty factor of 3 \%. The fabrication, assembly and beam commissioning have been completed at IMP. The injector composed the 2.45 GHz ECR ion source and its LEBT was very compact, with a length of 900 mm. The beam current at the LEBT exit was about 16 mA with a pulse length of 300 μs and a repetition frequency of 50 Hz. In this paper, the studies of beam intensities, beam transmission efficiency in LEBT, beam emittance and mismatch factor are presented and discussed.}},
}