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Distribution and ex...
Distribution and extreme loss analysis in the ESS linac : A statistical perspective
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- Pedersen, Alexander Lauge (author)
- Lund University
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- Anevski, Dragi (author)
- Lund University,Lunds universitet,Matematisk statistik,Matematikcentrum,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Statistics,Centre for Mathematical Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Eshraqi, Mohammad (author)
- European Spallation Source ESS AB
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- Miyamoto, Ryoichi (author)
- European Spallation Source ESS AB
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(creator_code:org_t)
- 2017
- 2017
- English 4 s.
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In: IPAC 2017 - Proceedings of the 8th International Particle Accelerator Conference. - 9783954501823 ; , s. 4458-4461
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http://dx.doi.org/10... (free)
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Abstract
Subject headings
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- The report takes a statistical approach in the study of distribution evolution of the proton beam within the ESS linac and reports a new technique of pinpointing the non-linear space-charge effect of the propagating proton beam. By using the test statistic from the nonparametric Kolmogorov-Smirnov test the author visualises the change in the normalised distributions by looking at the supremum distance between the cumulative distribution functions in comparison, and the propagation of the deviation throughout the ESS linac. This approach identifies changes in the distribution which may cause losses in the linac and highlights the parts where the space-charge has big impact on the beam distribution. Also, an Extreme Value Theory approach is adopted in order to quantify the effects of the non linear forces affecting the proton beam distribution.
Subject headings
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
Publication and Content Type
- kon (subject category)
- ref (subject category)
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