Author: Senchenko, A.I.
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).  
slides icon Slides MOXMH02 [18.601 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-MOXMH02  
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THCEMH01 TANGO Activities in BINP 116
 
  • A.I. Senchenko, G.A. Fatkin, E.S. Kotov, S.S. Serednyakov, V. Sitnov
    NSU, Novosibirsk, Russia
  • G.A. Fatkin, E.S. Kotov, A.I. Senchenko, S.S. Serednyakov, V. Sitnov
    BINP SB RAS, Novosibirsk, Russia
  
  Several years of experience using TANGO Control system are discussed in this paper. Construction of Linear Induction Accelerator (LIA-20) was the driving force for introduction of TANGO in Budker Institute. In the frame of this project, significant number of TANGO Classes for different types of hardware were developed and basic program infrastructure was provided. This progress made it feasible to apply TANGO to other facilities. Therefore, it was used in some subsystems at VEPP-2000 and vacuum stand. This paper presents overview of construction of TANGO based control system. The problems, which arise during its introduction to existing control system, are discussed as well.  
slides icon Slides THCEMH01 [2.554 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-THCEMH01  
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THCEMH02 Modern Digital Synchronization Systems for Large Particle Accelerators 119
 
  • G.A. Fatkin, Ya.M. Macheret, A.N. Selivanov, A.I. Senchenko, M.Yu. Vasilyev
    BINP SB RAS, Novosibirsk, Russia
  • G.A. Fatkin, A.I. Senchenko, M.Yu. Vasilyev
    NSU, Novosibirsk, Russia
  
  The review of modern approach to synchronizing large physical installations including accelerators is given in this paper. This approach is based on using digital modules connected by an optical link to transfer a mixed clock/data signal. A sub-nanosecond jitter and nanosecond resolution can be achieved this way as well as dynamic delay compensation and precision timing. Several modern synchronization systems based on this principle are discussed: White Rabbit, MRF, J-PARC and BINP developments.  
slides icon Slides THCEMH02 [14.886 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-THCEMH02  
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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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