| Paper |
Title |
Page |
| THPME041 |
ESS DTL Status: Redesign and Optimizations |
3314 |
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- R. De Prisco, M. Eshraqi
ESS, Lund, Sweden
- M. Comunian, F. Grespan, A. Pisent
INFN/LNL, Legnaro (PD), Italy
- A.R. Karlsson
Lund University, Lund, Sweden
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The European Spallation Source (ESS) uses a linear accelerator to deliver the high intensity proton beam to the target station. The average beam power is 5 MW with a peak beam power at target of 125 MW. In 2013 the ESS linac was costed and to meet the budget some modifications were introduced: the final energy was decreased from 2.5 GeV to 2.0 GeV and the beam current was increased from 50 mA to 62.5 mA to keep the same beam power. As a consequence the ESS Drift Tube Linac, DTL, has been re-designed to match the new requirements. This paper presents the main Radio Frequency (RF) and beam dynamics choices for the ESS DTL.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-THPME041
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| THPME043 |
The ESS Linac |
3320 |
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- M. Eshraqi, H. Danared, R. De Prisco, M. Lindroos, D.P. McGinnis, R. Miyamoto, M. Muñoz, A. Ponton, E. Sargsyan
ESS, Lund, Sweden
- I. Bustinduy
ESS Bilbao, Bilbao, Spain
- L. Celona
INFN/LNS, Catania, Italy
- M. Comunian, F. Grespan
INFN/LNL, Legnaro (PD), Italy
- S.P. Møller, H.D. Thomsen
ISA, Aarhus, Denmark
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The European Spallation Source, ESS, uses a linear accelerator to bombard the tungsten target with the high intensity protons beam for producing intense beams of neutrons. The nominal average beam power of the linac is 5~MW with a peak beam power at target of 125~MW. During last year the ESS linac was costed, and to meet the budget a few modifications were introduced to the linac design. One of the major changes is the reduction of final energy from 2.5~GeV to 2.0~GeV and therefore beam current was increased accordingly to compensate for the lower final energy. As a result the linac is designed to meet the cost objective by taking a higher risk. This paper focuses on the driving forces behind the new design, engineering and beam dynamics requirements of the design and finally on the beam dynamics performance of the linac.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-THPME043
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| THPME044 |
Statistical Error Studies in the ESS Linac |
3323 |
| |
- M. Eshraqi, R. De Prisco, R. Miyamoto, E. Sargsyan
ESS, Lund, Sweden
- H.D. Thomsen
ISA, Aarhus, Denmark
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Following the completion of the latest layout of the ESS linac statistical error studies have been performed to define the field vector quality and alignment tolerances. Based on these tolerances and error study results a scheme for the correction system is proposed that assures low losses and permits hands-on maintenance. This paper reports on the strategy of simulating and performing the error studies as well as setting the tolerances.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-THPME044
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| Export • |
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