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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/32235897
Record Status
Checked
Record Id
32235897
Title
Lattice and Component Design for the Front End Test Stand MEBT at RAL
Contributors
M Aslaninejad
,
J Pozimski
,
P Savage
,
MA Clarke-Gayther (STFC Rutherford Appleton Lab.)
,
A Letchford (STFC Rutherford Appleton Lab.)
,
C Plostinar (STFC Rutherford Appleton Lab.)
,
SR Lawrie (STFC Rutherford Appleton Lab.)
Abstract
The Front End Test Stand (FETS) linear accelerator at Rutherford Appleton laboratory (RAL) will accelerate a 60 mA, 2 ms, 50 pps H− beam to 3MeV. The aim of FETS is to demonstrate perfect chopping using a novel 2 stage (fast / slow) chopper scheme. The beam chopper and associated beam dumps are located in the MEBT. Achieving a low emittance-growth under the influence of strong, non-linear space-charge forces in a lattice which has to accommodate the long chopping elements is challenging. The baseline FETS MEBT design is 4.3 m long and contains 7 quadrupoles, 3 rebunching cavities, a fast and slow chopper deflector and two beam dumps. In particle dynamics simulations using a distribution from an RFQ simulation as input, beam loss for the un-chopped beam is below 1% while the chopping efficiency is >99 % in both choppers. The final MEBT lattice chosen for FETS will be presented together with particle tracking results and design details of the beam line components.
Organisation
ISIS
,
ISIS-ACCEL
,
STFC
Keywords
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Language
English (EN)
Type
Details
URI(s)
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Year
Paper In Conference Proceedings
In 5th International Particle Accelerator Conference (IPAC14), Dresden, Germany, 15-20 Jun 2014, (2014): 1205-1207.
http://accelconf.…/papers/tupro072.pdf
2014
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