10–15 Aug 2025
SAFE Credit Union Convention Center
America/Los_Angeles timezone

Exploring Space Charge Mitigation with Eigenpainting in the SNS

TUP041
12 Aug 2025, 16:00
2h
SAFE Credit Union Convention Center

SAFE Credit Union Convention Center

1401 K St, Sacramento, CA 95814
Poster Presentation MC5 – Beam Dynamics and EM Fields TUP: Tuesday Poster Session

Speaker

Nicholas Evans (Oak Ridge National Laboratory)

Description

The Spallation Neutron Source uses charge exchange injection of 1.3 GeV, H- ions to accumulate roughly 2x10E protons per pulse in the accumulator ring. This is achieved using a flexible painting system capable of controlling all four transverse coordinates of injected beam over the 1ms injection cycle. Recently we demonstrated injection of an ~800 MeV beam into a single non-planar mode in the SNS ring, which we call eigenpainting. This poster will outline future plans for exploring the space charge dynamics of beams prepared by eigenpainting in the SNS ring, including comparison of hollow, gaussian, and uniformly painted beams.

Funding Agency

This manuscript has been authored by UT-Battelle, LLC, under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy.

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Author

Nicholas Evans (Oak Ridge National Laboratory)

Co-authors

Austin Hoover (Oak Ridge National Laboratory) Timofey Gorlov (Oak Ridge National Laboratory) Vasiliy Morozov (Oak Ridge National Laboratory)

Presentation materials

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