ESSNUSB Document 759-v1

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ESSnuSB-777419/ESSnuSBplus-101094628

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Abstract (IPAC 2020): 5MW Beam Power in the ESSnuSB Accumulator: a Way to Manage Foil Stripping Injection at 14Hz Linac Pulse Rate (NOT ACCEPTED)

Document #:
ESSNUSB-doc-759-v1
Document type:
Poster
Submitted by:
Marie-Laure Schneider
Updated by:
Marie-Laure Schneider
Document Created:
24 Jun 2020, 15:00
Contents Revised:
24 Jun 2020, 15:00
Metadata Revised:
24 Jun 2020, 15:00
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Abstract:
In the past the scenario for foil stripping consisted of splitting a linac pulse into 4 rings, or 3 or 4 intermediate pulses and one ring. At present, the scenario, in view of laser stripping, consists of one ring, one pulse, split into four batches. Conventional stripping geometry would lead to foil evaporation under this beam load. On the other hand, the final emittances at extraction increased. This suggests replacing the standard corner foil by a single-edge foil, rotated to about 45deg. The tilted foil allows moving the injection point together with the painting bumps along the foil edge, distributing the deposited beam power over a larger foil area. Simulation results obtained with the same tools as in the past scenarios are presented. They show peak foil temperatures, which compare with the best results obtained from the past scenarios
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abstract
Associated with Events:
held on 10 May 2020 in Caen, France
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