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RIS citation export for THPO010: Novel Straight Merger for Energy Recovery Linacs

AU  - Deitrick, K.E.
AU  - Bartnik, A.C.
AU  - Gulliford, C.M.
AU  - Hutton, A.
AU  - Overstreet, S.A.
ED  - Schaa, Volker RW
ED  - Pei, Guoxi
ED  - Chin, Yong Ho
ED  - Fu, Shinian
ED  - Zhao, Ning
TI  - Novel Straight Merger for Energy Recovery Linacs
J2  - Proc. of LINAC2018, Beijing, China, 16-21 September 2018
CY  - Beijing, China
T2  - Linear Accelerator Conference
T3  - 29
LA  - english
AB  - One of the most critical design considerations for an energy recovery linac (ERL) is how to merge the injected bunch onto the linac axis with minimal beam degradation. All merger designs in established and upcoming machines involve significant bending of the injected beam ’ even using a so-called straight merger bends the injected beam several degrees. We propose a merger which reduces the bending of the injected beam by an order of magnitude. By passing both beams through a septum magnet followed by an rf separator cavity with a superimposed dipole magnetic field, the injected beam bends minimally within the cavity, while the recirculated beam bends to align with the linac axis. Here we describe the concept in detail and present simulation results to demonstrate the advantages of such a design, particularly for magnetized beams or minimal energy separation between the injected and recirculated beams. Measurements from an experiment at CBETA evaluating the beam dynamics of the rf separator are presented and compared with simulation results.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 702
EP  - 705
KW  - cavity
KW  - dipole
KW  - experiment
KW  - linac
KW  - electron
DA  - 2019/01
PY  - 2019
SN  - 2226-0366
SN  - 978-3-95450-194-6
DO  - DOI: 10.18429/JACoW-LINAC2018-THPO010
UR  - http://jacow.org/linac2018/papers/thpo010.pdf
ER  -