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Persistent URL http://purl.org/net/epubs/work/50948
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Record Id 50948
Title Modelling the ALICE electron beam properties through the EMMA Injection Line Tomography Section
Abstract EMMA (Electron Machine with Many Applications) is a prototype non-scaling electron FFAG currently under construction at Daresbury Laboratory. The energy recovery linac prototype ALICE will operate as its injector, at a reduced the energy of 10 to 20 MeV, compared to its nominal energy of 35 MeV. An injection line has been designed which consists of a dogleg to extract the beam from ALICE, a matching section, a tomography section and some additional dipoles and quadrupoles to transport and match the beam to the entrance of EMMA. This injection line serves both as a diagnostic to measure the properties of the beam being injected into EMMA and also a useful diagnostic tool for ALICE operation. This paper details the simulations undertaken of the electron beam passing through the matching and tomography sections of the EMMA injection line, including the effect of space charge. This will be an issue in the energy range at which this diagnostic is being operated when combined with high bunch charge. A number of different scenarios have been modelled and an attempt made to compensate for the effects of space charge in the matching and tomography sections.
Organisation ASTeC-AP , CI , STFC
Keywords Tomography , Physics , Space charge , EMMA
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Language English (EN)
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Paper In Conference Proceedings In 2009 Particle Accelerator Conference (PAC 2009), Vancouver, Canada, 4-8 May 2009, Cockcroft-09-27 (2009). Cockcroft-09-27.pdf 2009