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Tzenov, S.I.

Paper Title Page
WEO2B01 Injection and Extraction for the EMMA NS-FFAG 472
  • K.B. Marinov, B.D. Muratori, S.I. Tzenov
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire

EMMA (Electron Machine with Many Applications) is a prototype non-scaling electron FFAG to be hosted at Daresbury Laboratory. NS-FFAGs related to EMMA have an unprecedented potential for medical accelerators for carbon and proton hadron therapy. It also represents a possible active element for an ADSR (Accelerator Driven Sub-critical Reactor). This paper will summarize the design of the extraction and injection transfer lines of the NS-FFAG as well as the septa and kickers used to inject into the EMMA ring. In order to operate EMMA, the ALICE energy recovery linac prototype shall be used as injector and the energy will range from 10 to 20 MeV. Because this would be the first non-scaling FFAG, it is important that as many of the bunch properties are studied as feasible, both at injection and at extraction. To do this, a complex injection line was designed consisting of a dogleg to extract the beam from ALICE, a matching section, a tomography section and some additional dipoles and quadrupoles to transport the beam to the entrance of EMMA. In parallel with injection, extraction and a dedicated extraction / diagnostic line is also discussed.


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