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TY - CONF AU - Timoshenko, M.V. AU - Perevedentsev, E. AU - Rogovsky, Yu. A. AU - Shwartz, D.B. AU - Zharinov, Yu.M. ED - Kuzin, Maksim V. ED - Schaa, Volker RW TI - Longitudinal Beam Profile Diagnostic System at Booster of Electrons and Positrons BEP J2 - Proc. of RUPAC2018, Protvino, Russia, 01-05 October 2018 C1 - Protvino, Russia T2 - Russian Particle Accelerator Conference T3 - 26 LA - english AB - The longitudinal beam profile measurement system based on optical dissector was upgraded at booster synchrotron BEP during VEPP-2000 collider complex 2017/2018 data taking run. New RF-cavity of 13-th harmonic was installed during the booster upgrade in 2013-2015 to increase top energy to 1 GeV. The complex work on synchrotron radiation output modernization was performed, and measurement system was commissioned. The system was tested and calibrated, the resolution was studied. The bunch length dependence was measured for different RF cavity voltages while beam current changes and compared with the potential well distortion model. Good agreement with theory proved system operability. In addition the results of bunch length current dependence obtained by dissector at VEPP-2000 collider were compared with streak-camera measurements being in a good agreement. The synchrotron tune dependence on RF-cavity voltage was measured both at BEP and VEPP. PB - JACoW Publishing CP - Geneva, Switzerland SP - 462 EP - 465 KW - synchrotron KW - collider KW - electron KW - radiation KW - cavity DA - 2018/11 PY - 2018 SN - 978-3-95450-197-7 DO - 10.18429/JACoW-RUPAC2018-THPSC27 UR - http://jacow.org/rupac2018/papers/thpsc27.pdf ER -