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@inproceedings{ma:ipac2021-tupab387, author = {S. Ma and A. Arnold and P. Murcek and H.J. Qian and A.A. Ryzhov and J. Schaber and J. Teichert and R. Xiang and P.Z. Zwartek}, % author = {S. Ma and A. Arnold and P. Murcek and H.J. Qian and A.A. Ryzhov and J. Schaber and others}, % author = {S. Ma and others}, title = {{Superconducting Solenoid Field Measurement and Optimization}}, booktitle = {Proc. IPAC'21}, pages = {2425--2427}, eid = {TUPAB387}, language = {english}, keywords = {solenoid, quadrupole, emittance, multipole, gun}, 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-TUPAB387}, url = {https://jacow.org/ipac2021/papers/tupab387.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB387}, abstract = {{The solenoid is a significant part of an electron injector to provide a proper focusing, and preserve the beam projected emittance. A superconducting solenoid is applied for the SRF photoinjector at HZDR. The solenoid itself can degrade electron beam quality due to magnetic field imperfections like multipole components. In order to determine the field aberrations in the solenoid, we measured the superconducting solenoid magnetic field in the cryomodule. A simple and effective method is used to analyze the multipole field components, which will be presented in this paper.}}, }