Paper | Title | Other Keywords | Page |
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TUPD01 | Distinct Transverse Emittance Measurements of the PXIE LEBT | emittance, ion, dipole, ion-source | 393 |
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Funding: This work was supported by the U.S. Department of Energy under contract No. DE-AC02-07CH11359. PXIE is the front-end test stand of the proposed PIP-II initiative i.e. the first step towards a CW-compatible, pulsed H− superconducting RF linac upgrade to Fermilab’s injection complex. The test stand for this machine will be built step-wise; the Ion Source and Low-Energy Beam Transport (LEBT) are currently in place, with the RFQ and MEBT due for installation 2015. The initial LEBT configuration under investigation in this paper is comprised of a D-Pace Filament-driven H− source and a single downstream solenoid, accompanied by a number of beam-diagnostic tools. The emittance studies expounded are performed via two methods: a position-angle phase-space sweep using an Allison-type emittance scanner; a solenoid corrector-induced transverse beam shift, impinging the bunch on an isolated, biased diaphragm. A detailed comparison of the two results is outlined. |
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