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Model/Measurement Comparison of the Transverse Phase Space Distribution of an RFQ-Generated Bunch at the SNS BTF...

by Kiersten J Ruisard, Alexander V Aleksandrov, Sarah Mariehelen Cousineau, Austin M Hoover, Alexander P Zhukov
Publication Type
Conference Paper
Book Title
Proceedings of the 5th North American Particle Accelerator Conference
Publication Date
Page Numbers
584 to 587
Publisher Location
Geneva, Switzerland
Conference Name
North American Particle Accelerator Conference (NAPAC)
Conference Location
Albuquerque, New Mexico, United States of America
Conference Sponsor
IEEE, APS
Conference Date
-

The research program at the SNS Beam Test Facility is focused on resolving observed model/measurement discrepancies that preclude accurate loss prediction in high-power linacs. The current program of study is focused on deploying direct 6D measurements to reconstruct a realistic model of the initial beam distribution at the RFQ output. This detailed characterization also provides an opportunity for benchmark of RFQ simulations. Here we compare PARMTEQ predictions against 5D-resolved (x, x’, y, y’, dE) phase space measurements of the BTF H⁻ bunch, focusing on the transverse distribution. This work is an extension of [1], which focused on the longitudinal phase space.