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@InProceedings{wootton:ibic2020-tupp23, author = {K.P. Wootton and J.R. Calvey and J.C. Dooling and K.C. Harkay and A.H. Lumpkin and Y. Sun and B.X. Yang}, % author = {K.P. Wootton and J.R. Calvey and J.C. Dooling and K.C. Harkay and A.H. Lumpkin and Y. Sun and others}, % author = {K.P. Wootton and others}, title = {{Streak Camera Measurement of Electron Beam Energy Loss Per Turn in the Advanced Photon Source Particle Accumulator Ring}}, booktitle = {Proc. IBIC'20}, pages = {66--69}, paper = {TUPP23}, language = {english}, keywords = {electron, injection, gun, synchrotron, cavity}, venue = {Santos, Brazil}, series = {International Beam Instrumentation Conference}, number = {9}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2020}, issn = {2673-5350}, isbn = {978-3-95450-222-6}, doi = {10.18429/JACoW-IBIC2020-TUPP23}, url = {https://www.jacow.org/ibic2020/papers/tupp23.pdf}, note = {https://doi.org/10.18429/JACoW-IBIC2020-TUPP23}, abstract = {Relativistic electron beams in storage rings radiate a significant fraction of beam energy per turn. As demonstrated in previous experiments, with the radiofrequency accelerating structures off, the turn-by-turn time of arrival of the electron bunch can be observed from the synchrotron radiation that it produces using a streak camera. In the present work, we present measurements of the energy loss per turn of an initially short electron bunch (~1 ps RMS) from a photocathode electron gun in the Advanced Photon Source Particle Accumulator Ring (375 MeV, 10² ns revolution period). With the streak camera synchroscan locked to the twelfth harmonic of the revolution frequency (117.3 MHz), we observe an injection transient in the horizontal direction.}, }