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@inproceedings{wang:ipac2021-tupab037, author = {E. Wang and J.M. Grames and J. Guo and W. Liu and V.H. Ranjbar and J. Skaritka and N. Tsoupas}, % author = {E. Wang and J.M. Grames and J. Guo and W. Liu and V.H. Ranjbar and J. Skaritka and others}, % author = {E. Wang and others}, title = {{The Design of a High Charge Polarized Preinjector for the Electron-Ion Collider}}, booktitle = {Proc. IPAC'21}, pages = {1428--1430}, eid = {TUPAB037}, language = {english}, keywords = {cathode, gun, cavity, linac, electron}, venue = {Campinas, SP, Brazil}, series = {International Particle Accelerator Conference}, number = {12}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {08}, year = {2021}, issn = {2673-5490}, isbn = {978-3-95450-214-1}, doi = {10.18429/JACoW-IPAC2021-TUPAB037}, url = {https://jacow.org/ipac2021/papers/tupab037.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB037}, abstract = {{The design of the electron pre-injector of the Electron-Ion Collider (EIC) project to generate 4 x 7 nC bunch has been advancing to meet the requirements for injection into the Rapid Cycling Synchrotron (RCS). The major challenges are high charge transport and achieving small energy spread from 3 GHz traveling-wave plate(TWP). The designed preinjector includes the polarized electron source, bunching section, TWP Linac, zigzag phase space manipulation and spin rotator. In this report, we will discuss the RF frequency selection and the way to reduce energy spread down to 0.2% by longitudinal phase space manipulate. We will also report the results of beamline simulation using space charge code and the conceptual design of spin rotator.}}, }