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- N. Burger, G. Andonian, D.I. Gavryushkin, T.J. Hodgetts, A.-L.M.S. Lamure, M. Ruelas
RadiaBeam, Santa Monica, California, USA
- N.M. Cook, A. Diaw
RadiaSoft LLC, Boulder, Colorado, USA
- P.E. Denham, P. Musumeci, A. Ody
UCLA, Los Angeles, USA
- N.P. Norvell
UCSC, Santa Cruz, California, USA
- C.P. Welsch, M. Yadav
The University of Liverpool, Liverpool, United Kingdom
- C.P. Welsch
Cockcroft Institute, Warrington, Cheshire, United Kingdom
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Transverse profile diagnostics for high-intensity beams require solutions that are non-intercepting and single-shot. In this paper, we describe a gas-sheet ionization diagnostic that employs a precision-shaped, neutral gas jet. As the high-intensity beam passes through the gas sheet, neutral particles are ionized. The ionization products are transported and imaged on a detector. A neural-network based reconstruction algorithm, trained on simulation data, then outputs the initial transverse conditions of the beam prior to ionization. The diagnostic is also adaptable to image the photons from recombination. Preliminary tests at low energy are presented to characterize the working principle of the instrument, including comparisons to existing diagnostics. The results are parametrized as a function of beam charge, spot size, and bunch length.
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