Paper |
Title |
Page |
WEPIK084 |
Approximating Nonlinear Forces with Phase-Space Decoupling |
3120 |
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- B.T. Folsom, E. Laface
ESS, Lund, Sweden
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Beam tracking software for accelerators typically falls into two categories: fast envelope simulations limited to linear beam optics, and slower multiparticle simulations that can model nonlinear effects. To find a middle ground between these approaches, we introduce virtual coordinates in position and momentum which have a cross-dependency (i.e. p*=f(x) where x is an initial position and p* is a virtual projection of momentum onto the position axis).This technique approximates multiparticle simulations with a significant reduction in calculation cost.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-WEPIK084
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WEPIK085 |
Beam Shaping with 4N-order Multipole Magnets |
3124 |
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- B.T. Folsom, E. Laface
ESS, Lund, Sweden
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A uniformly irradiating beam is beneficial in spallation for preventing irregular wear on the target. For octupoles (n = 4) and higher-order (n = 4N) magnets, passing charged-particle bunches undergo symmetric shaping effects along the x and y axes. Using a Lie-mapping formalism, we illustrate how well Gaussian distributions can be flattened symmetrically in 2D with single, dual-pulse, and RF magnets of 4N order. Incidental shaping effects are also discussed.
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DOI • |
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※ https://doi.org/10.18429/JACoW-IPAC2017-WEPIK085
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THPVA093 |
Open XAL Status Report 2017 |
4676 |
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- A.P. Zhukov, C.K. Allen, A.P. Shishlo
ORNL, Oak Ridge, Tennessee, USA
- D.A. Brown
NMSU, Las Cruces, New Mexico, USA
- Y.-C. Chao
SLAC, Menlo Park, California, USA
- C.P. Chu, Y. Li
IHEP, Beijing, People's Republic of China
- J.F. Esteban Müller, B.T. Folsom, E. Laface, Y.I. Levinsen, C. Rosati
ESS, Lund, Sweden
- P. Gillette, P. Laurent, E. Lécorché, G. Normand
GANIL, Caen, France
- I. List, M. Pavleski
Cosylab, Ljubljana, Slovenia
- X.H. Lu
CSNS, Guangdong Province, People's Republic of China
- J.E. Muller
CERN, Geneva, Switzerland
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The Open XAL accelerator physics software platform is being developed through an international collaboration among several facilities since 2010 The goal of the collaboration is to establish Open XAL as a multi-purpose software platform supporting a broad range of tool and application development in accelerator physics (Open XAL also ships with a suite of general purpose accelerator applications). This paper discusses progress in beam dynamics simulation, interaction with control system and software organization. We present the current status of the project, a roadmap for continued development and an overview of the project status at each participating facility.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-THPVA093
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