RUPAC2018 - List of Authors (Motygin, S.V.)

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 MOXMH02 [18.601 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-MOXMH02
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THCDMH05	New RF System for VEPP-5 Damping Ring	113
	G.Y. Kurkin, Y.A. Biryuchevsky, E. Kenzhebulatov, A.A. Kondakov, A,Yu. Martynovsky, S.V. Motygin, V.N. Osipov, A.M. Pilan, E. Rotov, I.K. Sedlyarov, A.G. Tribendis BINP SB RAS, Novosibirsk, Russia
	The VEPP-5 injection complex serves to obtain high-intensity electron and positron bunches for injection into colliders of the Institute of Nuclear Physics SB RAS. The old RF System operated at 700 MHz - the 64-the harmonic of the revolution frequency. Due to the large beam length from LINAC up to 70% of the particles were lost during injection. Therefore, in 2015, the decision was made to install into the ring the new RF cavity operated at the first harmonic of the ring revolution frequency of 10.94 MHz. To reduce the geometric dimensions, ferrites were used in the cavity. The RF cavity was manufactured, an RF power amplifier and a new RF control system were prepared. After testing the RF system at the stand, in August 2017 the RF cavity was installed instead of the former 700 MHz cavity. The new RF system is now in operation since September 2017. The paper presents main features of the cavity design and fabrication. RF power amplifier and operation of the control system are described.
	Slides THCDMH05 [10.410 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-THCDMH05
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THPSC53	Test Stand Results of CW 100 mA Electron RF Gun for Novosibirsk ERL FEL	507
	V. Volkov, V.S. Arbuzov, E. Kenzhebulatov, E.I. Kolobanov, A.A. Kondakov, E.V. Kozyrev, I.V. Kuptsov, G.Y. Kurkin, S.V. Motygin, A.A. Murasev, V.K. Ovchar, V.M. Petrov, A.M. Pilan, V.V. Repkov, M.A. Scheglov, I.K. Sedlyarov, S.S. Serednyakov, O.A. Shevchenko, S.V. Tararyshkin, A.G. Tribendis, N.A. Vinokurov BINP SB RAS, Novosibirsk, Russia E.V. Kozyrev, S.S. Serednyakov, N.A. Vinokurov NSU, Novosibirsk, Russia A.G. Tribendis NSTU, Novosibirsk, Russia N.A. Vinokurov KAERI, Daejon, Republic of Korea N.A. Vinokurov University of Science and Technology of Korea (UST), Daejeon, Republic of Korea
	Continuous wave (CW) 100 mA electron rf gun for injecting the high-quality 300-400 keV electron beam in Novosibirsk Energy Recovery Linac (ERL) and driving Free Electron Laser (FEL) was developed, built, and commissioned at BINP SB RAS. The RF gun consists of normal conducting 90 MHz rf cavity with a gridded thermionic cathode unit. Bench tests of rf gun is confirmed good results in strict accordance with our numerical calculations. The gun was tested up to the design specifications at a test bench that includes a diagnostics beam line. The rf gun stand testing showed reliable work, unpretentious for vacuum conditions and stable in long-term operation. The design features of different components of the rf gun are presented. Preparation and commissioning experience is discussed. The latest beam results are reported.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-THPSC53
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

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 MOXMH02 [18.601 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-MOXMH02

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

THCDMH05

New RF System for VEPP-5 Damping Ring

113

G.Y. Kurkin, Y.A. Biryuchevsky, E. Kenzhebulatov, A.A. Kondakov, A,Yu. Martynovsky, S.V. Motygin, V.N. Osipov, A.M. Pilan, E. Rotov, I.K. Sedlyarov, A.G. Tribendis
BINP SB RAS, Novosibirsk, Russia

The VEPP-5 injection complex serves to obtain high-intensity electron and positron bunches for injection into colliders of the Institute of Nuclear Physics SB RAS. The old RF System operated at 700 MHz - the 64-the harmonic of the revolution frequency. Due to the large beam length from LINAC up to 70% of the particles were lost during injection. Therefore, in 2015, the decision was made to install into the ring the new RF cavity operated at the first harmonic of the ring revolution frequency of 10.94 MHz. To reduce the geometric dimensions, ferrites were used in the cavity. The RF cavity was manufactured, an RF power amplifier and a new RF control system were prepared. After testing the RF system at the stand, in August 2017 the RF cavity was installed instead of the former 700 MHz cavity. The new RF system is now in operation since September 2017. The paper presents main features of the cavity design and fabrication. RF power amplifier and operation of the control system are described.

Slides THCDMH05 [10.410 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-THCDMH05

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

THPSC53

Test Stand Results of CW 100 mA Electron RF Gun for Novosibirsk ERL FEL

507

V. Volkov, V.S. Arbuzov, E. Kenzhebulatov, E.I. Kolobanov, A.A. Kondakov, E.V. Kozyrev, I.V. Kuptsov, G.Y. Kurkin, S.V. Motygin, A.A. Murasev, V.K. Ovchar, V.M. Petrov, A.M. Pilan, V.V. Repkov, M.A. Scheglov, I.K. Sedlyarov, S.S. Serednyakov, O.A. Shevchenko, S.V. Tararyshkin, A.G. Tribendis, N.A. Vinokurov
BINP SB RAS, Novosibirsk, Russia
E.V. Kozyrev, S.S. Serednyakov, N.A. Vinokurov
NSU, Novosibirsk, Russia
A.G. Tribendis
NSTU, Novosibirsk, Russia
N.A. Vinokurov
KAERI, Daejon, Republic of Korea
N.A. Vinokurov
University of Science and Technology of Korea (UST), Daejeon, Republic of Korea

Continuous wave (CW) 100 mA electron rf gun for injecting the high-quality 300-400 keV electron beam in Novosibirsk Energy Recovery Linac (ERL) and driving Free Electron Laser (FEL) was developed, built, and commissioned at BINP SB RAS. The RF gun consists of normal conducting 90 MHz rf cavity with a gridded thermionic cathode unit. Bench tests of rf gun is confirmed good results in strict accordance with our numerical calculations. The gun was tested up to the design specifications at a test bench that includes a diagnostics beam line. The rf gun stand testing showed reliable work, unpretentious for vacuum conditions and stable in long-term operation. The design features of different components of the rf gun are presented. Preparation and commissioning experience is discussed. The latest beam results are reported.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-THPSC53

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)