Sequential excitation scheme for laser stripping for a H-beam

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Abstract

A new scheme with sequential resonant excitation for laser assisted charge exchange injection of H-beams is proposed. In contrast with the one step excitation scheme, the proposed scheme requires significantly less laser power for high efficiency stripping. It also provides greater flexibility in the choice of laser wavelength for a given beam energy and extends the range of energies where laser stripping can be effectively applied. Calculations and experimental plans for 1.0 GeV and 1.3 GeV H-beams at the Spallation Neutron Source are presented. Results indicate that the sequential excitation scheme allows the use of more convenient green laser with much smaller power in place of the UV laser previously used.

Original languageEnglish
Article number121601
JournalPhysical Review Accelerators and Beams
Volume22
Issue number12
DOIs
StatePublished - Dec 16 2019

Funding

This manuscript has been authored by UT-Battelle, LLC, under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains, and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan ( http://energy.gov/downloads/doe-public-access-plan ). [1] 1 M. Plum , in Proceedings of the HB2016 Workshop ( 2016 ), p.  304 . [2] 2 V. Danilov , A. Aleksandrov , S. Assadi , S. Henderson , N. Holtkamp , T. Shea , A. Shishlo , Y. Braiman , Y. Liu , J. Barhen , and T. Zacharia ,

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