RUPAC2018 - List of Authors (Smirnov, A.V.)

Paper	Title	Page
MOXMH03	Status of Accelerator Complex NICA	12
	E. Syresin, O.I. Brovko, A.V. Butenko, E.E. Donets, E.V. Gorbachev, A. Govorov, V. Karpinsky, V. Kekelidze, H.G. Khodzhibagiyan, S.A. Kostromin, A.D. Kovalenko, O.S. Kozlov, K.A. Levterov, I.N. Meshkov, A.O. Sidorin, V. Slepnev, A.V. Smirnov, G.V. Trubnikov, A. Tuzikov, V. Volkov JINR, Dubna, Moscow Region, Russia V.V. Parkhomchuk, A.G. Tribendis, A.N. Zhuravlev BINP SB RAS, Novosibirsk, Russia
	The Nuclotron-based Ion Collider fAcility (NICA) is under construction in JINR. The NICA goals are providing of colliding beams for studies of hot and dense strongly interacting baryonic matter and spin physics. The accelerator facility of collider NICA consists of following elements: acting Alvarez-type linac LU-20 of light ions at energy 5 MeV/u, constructed a new light ion linac at ion energy 7 MeV/u with additional acceleration section for protons at energy 13 MeV, acting heavy ion linac HILAC with RFQ and IH DTL sections at energy 3.2 MeV/u, superconducting booster synchrotron at energy up 600 MeV/u, acting superconducting synchrotron Nuclotron at gold ion energy 4.5 GeV/n and two collider storage rings with two interaction points. The status of acceleration complex NICA is under discussion.
	Slides MOXMH03 [21.679 MB]
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TUZMH04	Status of the Nuclotron	49
	A.O. Sidorin, N.N. Agapov, A.V. Alfeev, V. Andreev, A.A. Baldin, O.I. Brovko, V.V. Bugaev, A.V. Butenko, D.E. Donets, E.D. Donets, E.E. Donets, A.V. Eliseev, V.V. Fimushkin, E.V. Gorbachev, A. Govorov, E.V. Ivanov, V. Karpinsky, H.G. Khodzhibagiyan, A. Kirichenko, S.A. Kostromin, A.D. Kovalenko, O.S. Kozlov, K.A. Levterov, V.A. Mikhailov, V.A. Monchinsky, A. Nesterov, A.L. Osipenkov, S. Romanov, P.A. Rukojatkin, A.A. Shurygin, V. Slepnev, A.V. Smirnov, E. Syresin, A. Tuzikov, B. Vasilishin, V. Volkov JINR, Dubna, Moscow Region, Russia A. Belov RAS/INR, Moscow, Russia A.V. Philippov JINR/VBLHEP, Dubna, Moscow region, Russia
	Since last RuPAC two runs of the Nuclotron operation were performed. The run #54 performed in February ' March of 2017 was dedicated to polarized beam acceleration. One of the achievements was the acceleration of polarized proton beam performed at the Nuclotron for the first time. During the run #55 in February- April of 2018 the Nuclotron provided heavy ion beams for first fixed target experiments in the frame of the NICA scientific program. These and other results of the facility operation and development are presented.
	Slides TUZMH04 [17.667 MB]
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TUCDMH01	Heavy Ion Injection Chain of NICA Collider	52
	A. Tuzikov, D.E. Donets, A. Govorov, K.A. Levterov, I.N. Meshkov, A.V. Smirnov, E. Syresin, V. Volkov JINR, Dubna, Moscow Region, Russia A.V. Butenko JINR/VBLHEP, Dubna, Moscow region, Russia V.A. Kiselev, I.N. Okunev, S.V. Sinyatkin, A.N. Zhuravlev BINP SB RAS, Novosibirsk, Russia O. Tasset-Maye SIGMAPHI S.A., Vannes, France
	New accelerator complex is constructed by Joint Institute for Nuclear Research (Dubna, Russia) in frame of Nuclotron-based Ion Collider fAcility (NICA) project. The NICA layout includes new 600 MeV/u Booster and existing Nuclotron synchrotrons as parts of the heavy ion injection chain of the NICA Collider as well as transport beam lines which are the important link for the whole accelerator facility. Designs and current status of beam transfer systems of the NICA complex are presented in this paper.
	Slides TUCDMH01 [19.649 MB]
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WECAMH02	Light Ion Linear Accelerator up to 7 AMeV for NICA	68
	H. Höltermann, M. Basten, B. Koubek, H. Podlech, U. Ratzinger, A. Schempp, R. Tiede BEVATECH, Frankfurt, Germany A.M. Bazanov, A.V. Butenko, D.E. Donets, B.V. Golovenskiy, A. Govorov, V.V. Kobets, A.D. Kovalenko, K.A. Levterov, D.A. Lyuosev, A.A. Martynov, D.O. Ponkin, K.V. Shevchenko, I.V. Shirikov, A.O. Sidorin, A.V. Smirnov, E. Syresin, G.V. Trubnikov JINR, Dubna, Moscow Region, Russia C. K. Kampmeyer, H. Schlarb DESY, Hamburg, Germany
	In the frame of the NICA ion collider upgrade a new light ion frontend linac (LILac) for protons and ions with a mass to charge ration of up to 3 will be built. LILac will consist out of 3 parts: 1. a normal conducting Linac up to 7 AMeV, 2. a normal conducting proton energy upgrade up to 13 AMeV, 3. a superconducting section. The normal conducting Linac up to 7 AMeV will be built in collaboration between JINR and Bevatech GmbH. The technical design of LILac up to 7 AMeV is discussed in this paper.
	Slides WECAMH02 [23.545 MB]
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WECAMH06	Progress of the NICA Complex Injection Facility Development	75
	A.A. Martynov JINR/VBLHEP, Dubna, Moscow region, Russia A.V. Butenko, D.E. Donets, B.V. Golovenskiy, A. Govorov, A.D. Kovalenko, K.A. Levterov, D.A. Lyuosev, D.O. Ponkin, K.V. Shevchenko, I.V. Shirikov, A.O. Sidorin, A.V. Smirnov, G.V. Trubnikov JINR, Dubna, Moscow Region, Russia H. Höltermann, H. Podlech, U. Ratzinger, A. Schempp BEVATECH, Frankfurt, Germany T. Kulevoy ITEP, Moscow, Russia S.M. Polozov MEPhI, Moscow, Russia
	The new accelerator complex Nuclotron-based Ion Collider fAcility (NICA) is under development and construction at JINR, Dubna now. This complex is assumed to operate using two injectors: the Alvarez type linac LU-20 as injector of light ions, polarized protons and deuterons and a new linac HILAc - injector of heavy ions beams. The modernization of Alvarez-type linac began in 2016 by commissioning of new RFQ foreinjector, and in 2017 the new buncher in front of linac has been installed. The first Nuclotron run with new buncher was performed in January 2018 with beams of Xe+, Ar+ and Kr+. The beam produced by KRION-6T ion source were successfully injected and accelerated in the Nuclotron ring during the last run #55. Main results of the last Nuclotron run and plans for future development of NICA injection complex are presented in this paper.
	Slides WECAMH06 [22.501 MB]
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THCDMH03	Challenges of Obtaining of Ultra-High Vacuum in NICA Project	110
	A.V. Smirnov, A.R. Galimov, A.N. Svidetelev JINR, Dubna, Moscow Region, Russia
	NICA is the new accelerator collider complex under construction at the Joint Institute for Nuclear Research in Dubna. Operating pressure in the beam pipes of booster and collider is not more than 2×10^-9 Pa. Operating temperature of the beam chambers 85% surfaces from 4.2K to 80K. These parts can not be baked. Maximum temperature of bake out is 80C. The beam pipes have high length and low conductance. The paper describes problems and paths of decision of achievement ultra-high vacuum in the beam pipes of the NICA complex. For this purpose, in collaboration with Vakuum Praha Company (Prague, Czech Republic), a test bench for the most effective pumping of the accelerator chamber of the superconducting fast cycling synchrotron has designed and built. The article provides the simulation results of vacuum distribution in superconducting accelerators with "warm" chamber parts at room temperature. The specialized programming code was developed for this purpose. The simulation has revealed a necessity of installation additional pumping equipment along the booster perimeter. To solve this problem, development of original design of titanium sublimation pump operating at cryogenic temperatures has started in collaboration with the Budker Institute of Nuclear Physics (Novosibirsk, Russia).
	Slides THCDMH03 [10.017 MB]
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TUPSA22	Commissioning of Electron Cooling System of NICA Booster	188
	S.V. Semenov, A.G. Kobets, S.Yu. Kolesnikov, A.S. Sergeev, A.A. Sidorin, A.V. Smirnov, Yu.A. Tumanova, L.V. Zinovyev JINR, Dubna, Moscow Region, Russia M.I. Bryzgunov, A.V. Bubley, V.V. Parkhomchuk, V.B. Reva BINP SB RAS, Novosibirsk, Russia
	At the NICA project, two electron cooling systems were planned at the booster and collider. The booster cooler will be used for the multiturn injection procedure and for the formation of necessary beam parameters before injection from the booster to Nuclotron. This article presents the status of the commissioning of the electron cooling system at the NICA booster. The electron cooling system was produced in BINP (Novosibirsk) and delivered to JINR (Dubna) last year. This year the commissioning of the cooler was done for parameter of the injection energy of ions 3.2 GeV/u. In the nearest future it will test for the intermediate ion energy 100 GeV/u. And finally, the cooler should operates at both energy during one injection cycle.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-TUPSA22
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TUPSA25	Construction and RF Test of the Debuncher for NICA Light Ion Beam Line	197
	D.A. Zavadtsev, D. Churanov, Y.Z. Kalinin, L.V. Kravchuk, V.V. Paramonov, A.A. Zavadtsev RAS/INR, Moscow, Russia A.V. Butenko, A.V. Smirnov, E. Syresin JINR, Dubna, Moscow Region, Russia
	Debuncher is to be installed in the present beam line after the LU-20 linac in the light ion injector of the NICA facili-ty. The purpose of the debuncher is to reduce by a factor of up to ten the ion energy spread in the accelerated beam before injection into the Nuclotron. Relative ion speed is 0.1. Split-ring cavity driven from solid state RF amplifier at 145.25 MHz, should provide effective RF voltage up to 200 kV at 4 kW peak RF power. The RF controller allows adjust effective RF voltage for different ions: 58 kV for Z/A=1, 121 kV for Z/A=0.5 and 190 kV for Z/A=0.3. The debuncher cavity is provided with the stepper-motor driven capacitance tuner with 2 MHz tun-ing range.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-TUPSA25
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Paper

Title

Page

Status of Accelerator Complex NICA

12

E. Syresin, O.I. Brovko, A.V. Butenko, E.E. Donets, E.V. Gorbachev, A. Govorov, V. Karpinsky, V. Kekelidze, H.G. Khodzhibagiyan, S.A. Kostromin, A.D. Kovalenko, O.S. Kozlov, K.A. Levterov, I.N. Meshkov, A.O. Sidorin, V. Slepnev, A.V. Smirnov, G.V. Trubnikov, A. Tuzikov, V. Volkov
JINR, Dubna, Moscow Region, Russia
V.V. Parkhomchuk, A.G. Tribendis, A.N. Zhuravlev
BINP SB RAS, Novosibirsk, Russia

The Nuclotron-based Ion Collider fAcility (NICA) is under construction in JINR. The NICA goals are providing of colliding beams for studies of hot and dense strongly interacting baryonic matter and spin physics. The accelerator facility of collider NICA consists of following elements: acting Alvarez-type linac LU-20 of light ions at energy 5 MeV/u, constructed a new light ion linac at ion energy 7 MeV/u with additional acceleration section for protons at energy 13 MeV, acting heavy ion linac HILAC with RFQ and IH DTL sections at energy 3.2 MeV/u, superconducting booster synchrotron at energy up 600 MeV/u, acting superconducting synchrotron Nuclotron at gold ion energy 4.5 GeV/n and two collider storage rings with two interaction points. The status of acceleration complex NICA is under discussion.

Slides MOXMH03 [21.679 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-MOXMH03

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TUZMH04

Status of the Nuclotron

49

A.O. Sidorin, N.N. Agapov, A.V. Alfeev, V. Andreev, A.A. Baldin, O.I. Brovko, V.V. Bugaev, A.V. Butenko, D.E. Donets, E.D. Donets, E.E. Donets, A.V. Eliseev, V.V. Fimushkin, E.V. Gorbachev, A. Govorov, E.V. Ivanov, V. Karpinsky, H.G. Khodzhibagiyan, A. Kirichenko, S.A. Kostromin, A.D. Kovalenko, O.S. Kozlov, K.A. Levterov, V.A. Mikhailov, V.A. Monchinsky, A. Nesterov, A.L. Osipenkov, S. Romanov, P.A. Rukojatkin, A.A. Shurygin, V. Slepnev, A.V. Smirnov, E. Syresin, A. Tuzikov, B. Vasilishin, V. Volkov
JINR, Dubna, Moscow Region, Russia
A. Belov
RAS/INR, Moscow, Russia
A.V. Philippov
JINR/VBLHEP, Dubna, Moscow region, Russia

Since last RuPAC two runs of the Nuclotron operation were performed. The run #54 performed in February ' March of 2017 was dedicated to polarized beam acceleration. One of the achievements was the acceleration of polarized proton beam performed at the Nuclotron for the first time. During the run #55 in February- April of 2018 the Nuclotron provided heavy ion beams for first fixed target experiments in the frame of the NICA scientific program. These and other results of the facility operation and development are presented.

Slides TUZMH04 [17.667 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-TUZMH04

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TUCDMH01

Heavy Ion Injection Chain of NICA Collider

52

A. Tuzikov, D.E. Donets, A. Govorov, K.A. Levterov, I.N. Meshkov, A.V. Smirnov, E. Syresin, V. Volkov
JINR, Dubna, Moscow Region, Russia
A.V. Butenko
JINR/VBLHEP, Dubna, Moscow region, Russia
V.A. Kiselev, I.N. Okunev, S.V. Sinyatkin, A.N. Zhuravlev
BINP SB RAS, Novosibirsk, Russia
O. Tasset-Maye
SIGMAPHI S.A., Vannes, France

New accelerator complex is constructed by Joint Institute for Nuclear Research (Dubna, Russia) in frame of Nuclotron-based Ion Collider fAcility (NICA) project. The NICA layout includes new 600 MeV/u Booster and existing Nuclotron synchrotrons as parts of the heavy ion injection chain of the NICA Collider as well as transport beam lines which are the important link for the whole accelerator facility. Designs and current status of beam transfer systems of the NICA complex are presented in this paper.

Slides TUCDMH01 [19.649 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-TUCDMH01

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WECAMH02

Light Ion Linear Accelerator up to 7 AMeV for NICA

68

H. Höltermann, M. Basten, B. Koubek, H. Podlech, U. Ratzinger, A. Schempp, R. Tiede
BEVATECH, Frankfurt, Germany
A.M. Bazanov, A.V. Butenko, D.E. Donets, B.V. Golovenskiy, A. Govorov, V.V. Kobets, A.D. Kovalenko, K.A. Levterov, D.A. Lyuosev, A.A. Martynov, D.O. Ponkin, K.V. Shevchenko, I.V. Shirikov, A.O. Sidorin, A.V. Smirnov, E. Syresin, G.V. Trubnikov
JINR, Dubna, Moscow Region, Russia
C. K. Kampmeyer, H. Schlarb
DESY, Hamburg, Germany

In the frame of the NICA ion collider upgrade a new light ion frontend linac (LILac) for protons and ions with a mass to charge ration of up to 3 will be built. LILac will consist out of 3 parts: 1. a normal conducting Linac up to 7 AMeV, 2. a normal conducting proton energy upgrade up to 13 AMeV, 3. a superconducting section. The normal conducting Linac up to 7 AMeV will be built in collaboration between JINR and Bevatech GmbH. The technical design of LILac up to 7 AMeV is discussed in this paper.

Slides WECAMH02 [23.545 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-WECAMH02

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WECAMH06

Progress of the NICA Complex Injection Facility Development

75

A.A. Martynov
JINR/VBLHEP, Dubna, Moscow region, Russia
A.V. Butenko, D.E. Donets, B.V. Golovenskiy, A. Govorov, A.D. Kovalenko, K.A. Levterov, D.A. Lyuosev, D.O. Ponkin, K.V. Shevchenko, I.V. Shirikov, A.O. Sidorin, A.V. Smirnov, G.V. Trubnikov
JINR, Dubna, Moscow Region, Russia
H. Höltermann, H. Podlech, U. Ratzinger, A. Schempp
BEVATECH, Frankfurt, Germany
T. Kulevoy
ITEP, Moscow, Russia
S.M. Polozov
MEPhI, Moscow, Russia

The new accelerator complex Nuclotron-based Ion Collider fAcility (NICA) is under development and construction at JINR, Dubna now. This complex is assumed to operate using two injectors: the Alvarez type linac LU-20 as injector of light ions, polarized protons and deuterons and a new linac HILAc - injector of heavy ions beams. The modernization of Alvarez-type linac began in 2016 by commissioning of new RFQ foreinjector, and in 2017 the new buncher in front of linac has been installed. The first Nuclotron run with new buncher was performed in January 2018 with beams of Xe+, Ar+ and Kr+. The beam produced by KRION-6T ion source were successfully injected and accelerated in the Nuclotron ring during the last run #55. Main results of the last Nuclotron run and plans for future development of NICA injection complex are presented in this paper.

Slides WECAMH06 [22.501 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-WECAMH06

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THCDMH03

Challenges of Obtaining of Ultra-High Vacuum in NICA Project

110

A.V. Smirnov, A.R. Galimov, A.N. Svidetelev
JINR, Dubna, Moscow Region, Russia

NICA is the new accelerator collider complex under construction at the Joint Institute for Nuclear Research in Dubna. Operating pressure in the beam pipes of booster and collider is not more than 2×10^-9 Pa. Operating temperature of the beam chambers 85% surfaces from 4.2K to 80K. These parts can not be baked. Maximum temperature of bake out is 80C. The beam pipes have high length and low conductance. The paper describes problems and paths of decision of achievement ultra-high vacuum in the beam pipes of the NICA complex. For this purpose, in collaboration with Vakuum Praha Company (Prague, Czech Republic), a test bench for the most effective pumping of the accelerator chamber of the superconducting fast cycling synchrotron has designed and built. The article provides the simulation results of vacuum distribution in superconducting accelerators with "warm" chamber parts at room temperature. The specialized programming code was developed for this purpose. The simulation has revealed a necessity of installation additional pumping equipment along the booster perimeter. To solve this problem, development of original design of titanium sublimation pump operating at cryogenic temperatures has started in collaboration with the Budker Institute of Nuclear Physics (Novosibirsk, Russia).

Slides THCDMH03 [10.017 MB]

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reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-THCDMH03

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TUPSA22

Commissioning of Electron Cooling System of NICA Booster

188

S.V. Semenov, A.G. Kobets, S.Yu. Kolesnikov, A.S. Sergeev, A.A. Sidorin, A.V. Smirnov, Yu.A. Tumanova, L.V. Zinovyev
JINR, Dubna, Moscow Region, Russia
M.I. Bryzgunov, A.V. Bubley, V.V. Parkhomchuk, V.B. Reva
BINP SB RAS, Novosibirsk, Russia

At the NICA project, two electron cooling systems were planned at the booster and collider. The booster cooler will be used for the multiturn injection procedure and for the formation of necessary beam parameters before injection from the booster to Nuclotron. This article presents the status of the commissioning of the electron cooling system at the NICA booster. The electron cooling system was produced in BINP (Novosibirsk) and delivered to JINR (Dubna) last year. This year the commissioning of the cooler was done for parameter of the injection energy of ions 3.2 GeV/u. In the nearest future it will test for the intermediate ion energy 100 GeV/u. And finally, the cooler should operates at both energy during one injection cycle.

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reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-TUPSA22

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TUPSA25

Construction and RF Test of the Debuncher for NICA Light Ion Beam Line

197

D.A. Zavadtsev, D. Churanov, Y.Z. Kalinin, L.V. Kravchuk, V.V. Paramonov, A.A. Zavadtsev
RAS/INR, Moscow, Russia
A.V. Butenko, A.V. Smirnov, E. Syresin
JINR, Dubna, Moscow Region, Russia

Debuncher is to be installed in the present beam line after the LU-20 linac in the light ion injector of the NICA facili-ty. The purpose of the debuncher is to reduce by a factor of up to ten the ion energy spread in the accelerated beam before injection into the Nuclotron. Relative ion speed is 0.1. Split-ring cavity driven from solid state RF amplifier at 145.25 MHz, should provide effective RF voltage up to 200 kV at 4 kW peak RF power. The RF controller allows adjust effective RF voltage for different ions: 58 kV for Z/A=1, 121 kV for Z/A=0.5 and 190 kV for Z/A=0.3. The debuncher cavity is provided with the stepper-motor driven capacitance tuner with 2 MHz tun-ing range.

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reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-TUPSA25

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