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Simulations of Beam Chopping for Potential Upgrades of the SNS LEBT Chopper |
rfq, simulation, gun, operation |
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- B. Han, S.N. Murray, T.R. Pennisi, V.V. Peplov, M.P. Stockli, R.F. Welton
ORNL, Oak Ridge, Tennessee, USA
- R.B. Saethre, C. Stinson
ORNL RAD, Oak Ridge, Tennessee, USA
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Funding: This work was performed at Oak Ridge National Laboratory, which is managed by UT-Battelle, LLC, under contract number DE-AC05-00OR22725 for the United States Department of Energy.
The LEBT chopper is a critical element of the SNS accelerator system. In this work, the benefit of increasing the chopping voltage amplitude for the present chopping pattern is shown with beam simulations, and an ongoing hardware upgrade of the chopper pulser units is discussed. In addition, with the prospect of higher voltage capability of the new pulser design, two alternative chopping patterns which reduce the switching frequency of the chopper pulsers down to 1/2 or 1/4 of the present chopping pattern, are also explored with beam simulations.
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Slides WEPAF02 [7.431 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-ICAP2018-WEPAF02
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| About • |
paper received ※ 31 October 2018 paper accepted ※ 07 December 2018 issue date ※ 26 January 2019 |
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