RuPAC2016 - List of Authors (Shwartz, D.B.)

Paper	Title	Page
TUYMH03	Recommissioning and Perspectives of VEPP-2000 Complex	39
	Yu. A. Rogovsky, V.V. Anashin, D.E. Berkaev, A.S. Kasaev, E. Kenzhebulatov, I. Koop, A.A. Krasnov, G.Y. Kurkin, A.N. Kyrpotin, A.P. Lysenko, S.V. Motygin, E. Perevedentsev, V.P. Prosvetov, A.V. Semenov, A.I. Senchenko, P.Yu. Shatunov, Y.M. Shatunov, D.B. Shwartz, A.N. Skrinsky, I.M. Zemlyansky, Yu.M. Zharinov BINP SB RAS, Novosibirsk, Russia D.B. Shwartz NSU, Novosibirsk, Russia
	VEPP-2000 is electron-positron collider exploiting the novel concept of round colliding beams. After three seasons of data taking in the whole energy range of 160-1000 MeV per beam it was stopped in 2013 for injection chain upgrade. The linking to the new BINP source of intensive beams together with booster synchrotron modernization provides the drastic luminosity gain at top energy of VEPP-2000. Recomissioning status, fist results and perspectives of the VEPP-2000 complex will be presented.
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WECBMH02	Collector Ring Project at FAIR: Present Status	86
	P.Yu. Shatunov, V.V. Anashin, E.A. Bekhtenev, D.E. Berkaev, M.I. Bryzgunov, D. Gurov, A.S. Kasaev, V.V. Kolmogorov, I. Koop, A.A. Krasnov, O.I. Meshkov, Yu. A. Rogovsky, T.V. Rybitskaya, A.V. Semenov, Y.M. Shatunov, S.V. Shiyankov, D.B. Shwartz, A.A. Starostenko, A.V. Sukhanov, A.S. Tsyganov, A.V. Utkin BINP SB RAS, Novosibirsk, Russia
	In November 2013, the FAIR management delegated the responsibility for the technical design, construction, installation, and commissioning of the whole CR and its components from GSI to Budker Institute of Nuclear Physics (BINP). Since that time a lot of modifications of the original design were made aiming to improve the beam parameters and the machine performance. This work shows the present status of the development.
	Slides WECBMH02 [20.497 MB]
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TUPSA001	Commissioning of e⁺/e⁻ Transfer Line from BINP Injection Complex to VEPP-2000 Facility	213
	I.M. Zemlyansky, Yu. Aktershev, V.V. Anashin, A.V. Andrianov, A.M. Batrakov, O.V. Belikov, D.E. Berkaev, M.F. Blinov, B.A. Dovzhenko, F.A. Emanov, V.V. Gambaryan, V.A. Kiselev, I. Koop, A.A. Krasnov, I.A. Mikheev, D.A. Nikiforov, A.V. Otboev, A.V. Pavlenko, V.P. Prosvetov, V.V. Rashchenko, Yu. A. Rogovsky, A.V. Semenov, P.Yu. Shatunov, Y.M. Shatunov, D.B. Shwartz, A.A. Starostenko, S.S. Vasichev, V.D. Yudin, Yu.M. Zharinov BINP SB RAS, Novosibirsk, Russia A.A. Krasnov, A.V. Pavlenko, Yu. A. Rogovsky, D.B. Shwartz, A.A. Starostenko NSU, Novosibirsk, Russia
	Funding: The work is supported by the Ministry of Education and Science of the Russian Federation and by grant NSh-10088.2016.2. Commissioning of e⁺/e⁻ transfer line from Injection Complex to VEPP-2000 facility is done in 2016. Both electrons and positrons beams are injected to VEPP-2000 collider. The channel layout, lattice functions, magnetic elements, beam diagnostic system, vacuum system and control system are presented in this article. The details of commissioning process are also mentioned.
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WEPSB017	Chromatic and Nonlinear Dynamics of Antiprotons Injected to Collector Ring at FAIR	398
	D.B. Shwartz, I. Koop, P.Yu. Shatunov BINP SB RAS, Novosibirsk, Russia D.B. Shwartz NSU, Novosibirsk, Russia
	Collector Ring (CR) is the storage ring for capturing and stochastic cooling of secondary beams of antiprotons or secondary ions. It is a part of a FAIR project being presently at the early start of a construction phase. Due to the proposed large acceptance in both transverse and longitudinal phase spaces, the chromatic aberrations and their correction with sextupoles are very important for capture efficiency. Calculations results for beam transfer from Pbar target to the ring are presented.
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THPSC015	The Project of Kickers Power Supply Upgrade for Booster of Electrons and Positrons BEP
	A.S. Kasaev, D.E. Berkaev, D.B. Shwartz, S.V. Vasiliev BINP SB RAS, Novosibirsk, Russia
	In the end of 2015 the Injection Complex VEPP-5 was turned into operation in the Budker Institute of Nuclear Physics (Novosibirsk, Russia). The main purpose of the VEPP-5 facility is supply the BINP colliders VEPP-2000 and VEPP-4 with high intense beams of electrons and positrons. At the VEPP200 synchrotron buster BEP is used as collector ring for electron or positron beams which supplied by VEPP-5. A generator of a pair of negative and positive polarity pulses bases on two double pulse forming network with hydrogen thyratrons was used for injection and extraction into BEP. The rise and fall time of this pulse have a typical time is 85 ns, and the period of revolution electron and positron beams in BEP is 70 ns. The pulses with rise/fall time no more 20ns and flat top not less 20 ns is necessary to provide for a new scheme of injection. The concept of the power supply for such kicker system is presented in the paper.
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THPSC016	The Kicker System for the Collector Ring Project (FAIR)
	A.S. Kasaev, D.E. Berkaev, Yu. A. Rogovsky, P.Yu. Shatunov, D.B. Shwartz BINP SB RAS, Novosibirsk, Russia
	The FAIR project is an accelerator facility of the next generation. By the contract of responsibility BINP develops the Collector Ring - part of FAIR. Kicker system will be used for injection and extraction system of the ring. The six ferrite kickers are installed inside of the two vacuum chambers. Specific power supply with the ability to change the duration and polarity of pulses is needed. In this article the concept of kicker system and power supply for it is described.
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THPSC017	A Synchrotron Radiation Beamline Installed at BINP to Study the High Luminosity LHC Vacuum System	572
	A.A. Krasnov, V.V. Anashin, A.M. Semenov, D.B. Shwartz BINP SB RAS, Novosibirsk, Russia V. Baglin, P. Chiggiato, B. Henrist CERN, Geneva, Switzerland D.B. Shwartz NSU, Novosibirsk, Russia
	In the framework of the HL-LHC project, the vacuum performance of new surface material needs to be studied. In particular, a-C coating is proposed as an anti-multipactor surface in the HL-LHC Inner Triplets. Since the protons in the HL-LHC Inner Triplets will generate synchrotron radiation (SR) with ~ 10 eV critical energy and ~ 10¹⁶ ph/m/s flux, it is therefore of great importance to study the impact of such photons on a-C coating held at room and cryogenic temperature and compare the results against present LHC material. This paper describes construction and parameters of experimental set-up based on new Synchrotron Radiation beamline from booster synchrotron BEP at BINP. The experimental program releasing in collaboration between CERN and BINP for performing measurements of photon stimulated gas desorption, photon distribution and photo-electron emission provoked by synchrotron radiation are presented
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Paper

Title

Page

Recommissioning and Perspectives of VEPP-2000 Complex

39

Yu. A. Rogovsky, V.V. Anashin, D.E. Berkaev, A.S. Kasaev, E. Kenzhebulatov, I. Koop, A.A. Krasnov, G.Y. Kurkin, A.N. Kyrpotin, A.P. Lysenko, S.V. Motygin, E. Perevedentsev, V.P. Prosvetov, A.V. Semenov, A.I. Senchenko, P.Yu. Shatunov, Y.M. Shatunov, D.B. Shwartz, A.N. Skrinsky, I.M. Zemlyansky, Yu.M. Zharinov
BINP SB RAS, Novosibirsk, Russia
D.B. Shwartz
NSU, Novosibirsk, Russia

VEPP-2000 is electron-positron collider exploiting the novel concept of round colliding beams. After three seasons of data taking in the whole energy range of 160-1000 MeV per beam it was stopped in 2013 for injection chain upgrade. The linking to the new BINP source of intensive beams together with booster synchrotron modernization provides the drastic luminosity gain at top energy of VEPP-2000. Recomissioning status, fist results and perspectives of the VEPP-2000 complex will be presented.

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WECBMH02

Collector Ring Project at FAIR: Present Status

86

P.Yu. Shatunov, V.V. Anashin, E.A. Bekhtenev, D.E. Berkaev, M.I. Bryzgunov, D. Gurov, A.S. Kasaev, V.V. Kolmogorov, I. Koop, A.A. Krasnov, O.I. Meshkov, Yu. A. Rogovsky, T.V. Rybitskaya, A.V. Semenov, Y.M. Shatunov, S.V. Shiyankov, D.B. Shwartz, A.A. Starostenko, A.V. Sukhanov, A.S. Tsyganov, A.V. Utkin
BINP SB RAS, Novosibirsk, Russia

In November 2013, the FAIR management delegated the responsibility for the technical design, construction, installation, and commissioning of the whole CR and its components from GSI to Budker Institute of Nuclear Physics (BINP). Since that time a lot of modifications of the original design were made aiming to improve the beam parameters and the machine performance. This work shows the present status of the development.

Slides WECBMH02 [20.497 MB]

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TUPSA001

Commissioning of e⁺/e⁻ Transfer Line from BINP Injection Complex to VEPP-2000 Facility

213

I.M. Zemlyansky, Yu. Aktershev, V.V. Anashin, A.V. Andrianov, A.M. Batrakov, O.V. Belikov, D.E. Berkaev, M.F. Blinov, B.A. Dovzhenko, F.A. Emanov, V.V. Gambaryan, V.A. Kiselev, I. Koop, A.A. Krasnov, I.A. Mikheev, D.A. Nikiforov, A.V. Otboev, A.V. Pavlenko, V.P. Prosvetov, V.V. Rashchenko, Yu. A. Rogovsky, A.V. Semenov, P.Yu. Shatunov, Y.M. Shatunov, D.B. Shwartz, A.A. Starostenko, S.S. Vasichev, V.D. Yudin, Yu.M. Zharinov
BINP SB RAS, Novosibirsk, Russia
A.A. Krasnov, A.V. Pavlenko, Yu. A. Rogovsky, D.B. Shwartz, A.A. Starostenko
NSU, Novosibirsk, Russia

Funding: The work is supported by the Ministry of Education and Science of the Russian Federation and by grant NSh-10088.2016.2.
Commissioning of e⁺/e⁻ transfer line from Injection Complex to VEPP-2000 facility is done in 2016. Both electrons and positrons beams are injected to VEPP-2000 collider. The channel layout, lattice functions, magnetic elements, beam diagnostic system, vacuum system and control system are presented in this article. The details of commissioning process are also mentioned.

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WEPSB017

Chromatic and Nonlinear Dynamics of Antiprotons Injected to Collector Ring at FAIR

398

D.B. Shwartz, I. Koop, P.Yu. Shatunov
BINP SB RAS, Novosibirsk, Russia
D.B. Shwartz
NSU, Novosibirsk, Russia

Collector Ring (CR) is the storage ring for capturing and stochastic cooling of secondary beams of antiprotons or secondary ions. It is a part of a FAIR project being presently at the early start of a construction phase. Due to the proposed large acceptance in both transverse and longitudinal phase spaces, the chromatic aberrations and their correction with sextupoles are very important for capture efficiency. Calculations results for beam transfer from Pbar target to the ring are presented.

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THPSC015

The Project of Kickers Power Supply Upgrade for Booster of Electrons and Positrons BEP

A.S. Kasaev, D.E. Berkaev, D.B. Shwartz, S.V. Vasiliev
BINP SB RAS, Novosibirsk, Russia

In the end of 2015 the Injection Complex VEPP-5 was turned into operation in the Budker Institute of Nuclear Physics (Novosibirsk, Russia). The main purpose of the VEPP-5 facility is supply the BINP colliders VEPP-2000 and VEPP-4 with high intense beams of electrons and positrons. At the VEPP200 synchrotron buster BEP is used as collector ring for electron or positron beams which supplied by VEPP-5. A generator of a pair of negative and positive polarity pulses bases on two double pulse forming network with hydrogen thyratrons was used for injection and extraction into BEP. The rise and fall time of this pulse have a typical time is 85 ns, and the period of revolution electron and positron beams in BEP is 70 ns. The pulses with rise/fall time no more 20ns and flat top not less 20 ns is necessary to provide for a new scheme of injection. The concept of the power supply for such kicker system is presented in the paper.

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THPSC016

The Kicker System for the Collector Ring Project (FAIR)

A.S. Kasaev, D.E. Berkaev, Yu. A. Rogovsky, P.Yu. Shatunov, D.B. Shwartz
BINP SB RAS, Novosibirsk, Russia

The FAIR project is an accelerator facility of the next generation. By the contract of responsibility BINP develops the Collector Ring - part of FAIR. Kicker system will be used for injection and extraction system of the ring. The six ferrite kickers are installed inside of the two vacuum chambers. Specific power supply with the ability to change the duration and polarity of pulses is needed. In this article the concept of kicker system and power supply for it is described.

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THPSC017

A Synchrotron Radiation Beamline Installed at BINP to Study the High Luminosity LHC Vacuum System

572

A.A. Krasnov, V.V. Anashin, A.M. Semenov, D.B. Shwartz
BINP SB RAS, Novosibirsk, Russia
V. Baglin, P. Chiggiato, B. Henrist
CERN, Geneva, Switzerland
D.B. Shwartz
NSU, Novosibirsk, Russia

In the framework of the HL-LHC project, the vacuum performance of new surface material needs to be studied. In particular, a-C coating is proposed as an anti-multipactor surface in the HL-LHC Inner Triplets. Since the protons in the HL-LHC Inner Triplets will generate synchrotron radiation (SR) with ~ 10 eV critical energy and ~ 10¹⁶ ph/m/s flux, it is therefore of great importance to study the impact of such photons on a-C coating held at room and cryogenic temperature and compare the results against present LHC material. This paper describes construction and parameters of experimental set-up based on new Synchrotron Radiation beamline from booster synchrotron BEP at BINP. The experimental program releasing in collaboration between CERN and BINP for performing measurements of photon stimulated gas desorption, photon distribution and photo-electron emission provoked by synchrotron radiation are presented

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