Author: Lysenko, A.P.
Paper Title Page
MOXMH02 VEPP-2000 Collider Operation in Full Energy Range with New Injector 7
 
  • D.B. Shwartz, V.V. Anashin, A.M. Batrakov, O.V. Belikov, D.E. Berkaev, D.B. Burenkov, K. Gorchakov, A.S. Kasaev, A.N. Kirpotin, I. Koop, A.A. Krasnov, G.Y. Kurkin, A.P. Lysenko, S.V. Motygin, A.V. Otboev, A.V. Pavlenko, E. Perevedentsev, V.P. Prosvetov, D.V. Rabusov, Yu. A. Rogovsky, A.M. Semenov, A.I. Senchenko, D.N. Shatilov, P.Yu. Shatunov, Y.M. Shatunov, O.S. Shubina, M.V. Timoshenko, S.S. Vasichev, V.D. Yudin, I.M. Zemlyansky, Yu.M. Zharinov
    BINP SB RAS, Novosibirsk, Russia
  • I. Koop, A.A. Krasnov, E. Perevedentsev, Yu. A. Rogovsky, A.I. Senchenko, Y.M. Shatunov, O.S. Shubina, D.B. Shwartz
    NSU, Novosibirsk, Russia
  
  VEPP-2000 is the only electron-positron collider operating with round beams that allow to enhance beam-beam limit. VEPP-2000 with SND and CMD-3 detectors carried out two successful data-taking runs after new BINP injection complex was commissioned. The 2016/2017 run was dedicated to high energy range (640-1000 MeV per beam) while the 2017/2018 run was focused at 275-600 MeV/beam energies. With sufficient positron production rate and upgraded full-energy booster the collider luminosity was limited by beam-beam effects, namely flip-flop effect. Thorough machine tuning together with new ideas introduced to suppress flip-flop allowed to establish new world record for beam-beam parameter and bunch-by-bunch luminosity values at specific beam energies. The achieved luminosity increased 2-5 times in a whole energy range in comparison to phase-1 operation (2010-2013).  
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-MOXMH02  
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THPSC14
 Update of the VEPP-2000 Control System  
 
  • A.I. Senchenko, D.E. Berkaev, A.P. Lysenko, Yu. A. Rogovsky, P.Yu. Shatunov, O.S. Shubina, M.V. Timoshenko
    BINP SB RAS, Novosibirsk, Russia
  • Yu. A. Rogovsky, A.I. Senchenko, O.S. Shubina
    NSU, Novosibirsk, Russia
  
  In the beginning of 2016, electron-positron collider VEPP-2000 was recommisioned after long shutdown. During this shutdown the wide range of systems were upgraded. The main goal of the improvements is to reach and exceed design luminosity in the whole energy range from 200 MeV to 1000 MeV per beam. This paper present improvment made in ifrastracture, software and hardware during commissioning phase and 2016-2018 data-taking runs. Plan and future developments are also disscused.  
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