RuPAC2016 - List of Authors (Trubnikov, G.V.)

Paper	Title	Page
THYMH02	Hadron Therapy Research and Applications at JINR	123
	G. Shirkov, S. Gurskiy, O. Karamyshev, G.A. Karamysheva, N.A. Morozov, E.V. Samsonov, S.G. Shirkov, G.V. Trubnikov JINR, Dubna, Moscow Region, Russia D.V. Popov JINR/DLNP, Dubna, Moscow region, Russia
	JINR has the unique experience in cancer treatment with proton beam during about 50 years. In 2005 the collaboration with IBA (Belgium) was established. During these years the technical design of the first carbon superconducting cyclotron C400 was successfully created, the construction of serial proton cyclotron C230 was significantly improved and the fist modernized cyclotron C235 was assembled, debugged and put in the test operation in Dubna in 2013. This C235 will be used soon in the first Russian medical center with proton therapy in Dimitrovgrad. In 2015 the joint project with ASIPP (Hefei, China) on design and construction of superconducting proton cyclotron SC200 was started. Two samples of SC200 should be created according to the Collaboration Agreement between JINR and ASIPP. One will be used for proton therapy in Hefei and the second one should be used to replace the synchrocyclotron Phasotron in investigations on proton therapy at JINR.
	Slides THYMH02 [29.140 MB]
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THCDMH03	The Progress on Manufacturing and Testing of the SC Magnets for the NICA Booster Synchrotron	144
	H.G. Khodzhibagiyan, N.N. Agapov, P.G. Akishin, V.V. Borisov, A.V. Bychkov, A.M. Donyagin, A.R. Galimov, O. Golubitsky, V. Karpinsky, B.Yu. Kondratiev, S.A. Korovkin, S.A. Kostromin, A.V. Kudashkin, G.L. Kuznetsov, D.N. Nikiforov, A.V. Shemchuk, S.A. Smirnov, A.Y. Starikov, G.V. Trubnikov JINR, Dubna, Moscow Region, Russia
	NICA is a new accelerator collider complex under construction at the Joint Institute for Nuclear Research in Dubna. The facility is aimed at providing collider experiments with heavy ions up to Gold in the center of mass energy from 4 to 11 GeV/u and an average luminosity up to 1*10²⁷ cm^-2 s⁻¹ for Au⁷⁹⁺. The collisions of polarized deuterons are also foreseen. The facility includes two injector chains, a new superconducting booster synchrotron, the existing 6 AGeV superconducting synchrotron Nuclotron, and a new superconducting collider consisting of two rings, each 503 m in circumference. The booster synchrotron is based on an iron-dominated "window frame"- type magnet with a hollow superconductor winding analogous to the Nuclotron magnet. The design of superconducting magnets for the NICA booster synchrotron is described. The progress of work on the manufacturing and testing of the magnets is discussed. The calculated and measured values of the characteristics of the magnets are presented. The status of the facility for serial test of superconducting magnets for the NICA and FAIR projects is described.
	Slides THCDMH03 [8.068 MB]
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THCDMH04	The FAIR-NICA Collaboration for Production and Testing of Superconducting Accelerator Magnets
	E.S. Fischer, A. Bleile, J.P. Meier, A. Mierau, P. Schnizer, P.J. Spiller, K. Sugita GSI, Darmstadt, Germany H.G. Khodzhibagiyan, S.A. Kostromin, G.V. Trubnikov JINR, Dubna, Moscow Region, Russia
	Based on a common R&D process GSI Darmstadt and JINR Dubna had optimized the operation parameters of their fast ramped accelerator magnets designated for the heavy ion synchrotron SIS100 of the FAIR project as well as for the booster synchrotron and the heavy ion collider of the NICA project. These facilities are now under construction and the series production of the main magnets and correctors for SIS100 and NICA booster was launched. In parallel the superconducting magnet test facilities were commissioned in both institutes. The quadrupole and corrector magnets of the SIS100 will be produced by JINR as a Russian In-Kind contribution to FAIR and cold tested at the common NICA test facility in Dubna. We summarize the main parameters of the optimized magnets related to the magnetic field quality and the cooling efficiency, present the first production experiences and test results and give an outlook on the overall project schedules.
	Slides THCDMH04 [19.788 MB]
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FRCAMH01	Status of the Nuclotron	150
	A.O. Sidorin, N.N. Agapov, A.V. Alfeev, V. Andreev, V. Batin, O.I. Brovko, V.V. Bugaev, A.V. Butenko, D.E. Donets, A.V. Eliseev, V.V. Fimushkin, E.V. Gorbachev, A. Govorov, A.Yu. Grebentsov, E.V. Ivanov, V. Karpinsky, H.G. Khodzhibagiyan, A. Kirichenko, V. Kobets, A.D. Kovalenko, O.S. Kozlov, K.A. Levterov, V.A. Mikhailov, V.A. Monchinsky, A. Nesterov, Yu.M. Nozhenko, A.L. Osipenkov, S. Romanov, P.A. Rukojatkin, A.A. Shurygin, I. Slepnev, V. Slepnev, A.V. Smirnov, E. Syresin, G.V. Trubnikov, A. Tuzikov, B. Vasilishin, V. Volkov JINR, Dubna, Moscow Region, Russia A. Belov RAS/INR, Moscow, Russia I.V. Gorelyshev, A.V. Philippov JINR/VBLHEP, Dubna, Moscow region, Russia A.O. Sidorin St. Petersburg University, St. Petersburg, Russia
	Since last RuPAC two runs of the Nuclotron operation were performed: in January - March of 2015 and June 2016. Presently we are providing the run, which has been started at the end of October and will be continued up to the end of December. The facility development is aimed to the performance increase for current physical program realization and preparation to the NICA Booster construction and Baryonic Matter at Nuclotron experiment.
	Slides FRCAMH01 [20.777 MB]
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FRCAMH02	Commissioning of New Light Ion RFQ Linac and First Nuclotron Run with New Injector	153
	A.V. Butenko, A.M. Bazanov, D.E. Donets, A.D. Kovalenko, K.A. Levterov, D.A. Lyuosev, A.A. Martynov, V.V. Mialkovskiy, D.O. Ponkin, R.G. Pushkar, V.V. Seleznev, K.V. Shevchenko, I.V. Shirikov, A.O. Sidorin JINR/VBLHEP, Dubna, Moscow region, Russia S.V. Barabin, A.V. Kozlov, G. Kropachev, T. Kulevoy, V.G. Kuzmichev ITEP, Moscow, Russia A. Belov RAS/INR, Moscow, Russia V.V. Fimushkin, B.V. Golovenskiy, A. Govorov, V. Kobets, V.A. Monchinsky, A.V. Smirnov, G.V. Trubnikov JINR, Dubna, Moscow Region, Russia S.M. Polozov MEPhI, Moscow, Russia
	The new accelerator complex Nuclotron-based Ion Collider fAcility (NICA) is now under development and construction at JINR, Dubna. 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. Old HV for-injector of the LU-20, which operated from 1974, is replaced by the new RFQ accelerator, which was commissioned in spring 2016. The first Nuclotron technological run with new fore-injector was performed in June 2016. Beams of D⁺ and H²⁺ were successfully injected and accelerated in the Nuclotron ring. Main results of the RFQ commissioning and the first Nuclotron run with new for-injector is discussed in this paper.
	Slides FRCAMH02 [30.140 MB]
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FRCAMH03	Commissioning of the New Heavy Ion Linac at the NICA Project	156
	A.V. Butenko, A.M. Bazanov, D.E. Donets, A.D. Kovalenko, K.A. Levterov, D.A. Lyuosev, A.A. Martynov, V.V. Mialkovskiy, V.V. Seleznev, K.V. Shevchenko, I.V. Shirikov, A.O. Sidorin JINR/VBLHEP, Dubna, Moscow region, Russia B.V. Golovenskiy, A. Govorov, V. Kobets, V.A. Monchinsky, A.V. Smirnov, E. Syresin, G.V. Trubnikov JINR, Dubna, Moscow Region, Russia H. Hoeltermann, H. Podlech, U. Ratzinger, A. Schempp BEVATECH, Frankfurt, Germany D.A. Liakin ITEP, Moscow, Russia
	The new accelerator complex Nuclotron-based Ion Collider fAcility (NICA) is now under development and construction at JINR, Dubna. This complex is assumed to operate using two injectors: modernized old Alvarez-type linac LU-20 as injector of light polarized ions and a new Heavy Ion Linear Accelerator HILAc - injector of heavy ions beams. The new heavy ion linac accelerate ions with q/A values above 0.16 to 3.2 MeV/u is under commissioning. The main components are 4-Rod-RFQ and two IH - drift tube cavities is operated at 100.6 MHz. Main results of the HILAc commissioning with carbon beam from the laser ion source are discussed.
	Slides FRCAMH03 [14.452 MB]
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FRCAMH05	Booster Synchrotron at NICA Accelerator Complex	160
	A. Tuzikov, O.I. Brovko, A.V. Butenko, A.V. Eliseev, A.A. Fateev, V. Karpinsky, H.G. Khodzhibagiyan, S.A. Kostromin, I.N. Meshkov, V.A. Mikhaylov, A.O. Sidorin, A.I. Sidorov, A.V. Smirnov, E. Syresin, G.V. Trubnikov, V. Volkov JINR, Dubna, Moscow Region, Russia O. Anchugov, V.A. Kiselev, D.A. Shvedov, A.N. Zhuravlev BINP SB RAS, Novosibirsk, Russia
	NICA is the new complex being constructed on the JINR aimed to provide collider experiments with ions up to aurum at energy of 4.5x4.5 GeV/u. The NICA layout includes 600 MeV/u Booster synchrotron as a part of the injection chain of the NICA Collider. The main goals of the Booster are the following: accumulation of 4E10⁹ Au³¹⁺ ions; acceleration of the heavy ions up to energy required for effective stripping; forming of the required beam emittance with electron cooling system. The layout makes it possible to place the Booster having 210.96 m circumference and four fold symmetry lattice inside the yoke of the former Synchrophasotron. The features of the Booster, its main systems, their parameters and current status are presented in this paper.
	Slides FRCAMH05 [16.830 MB]
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FRCAMH07	NICA Collider Lattice Optimization	166
	O.S. Kozlov, A.V. Butenko, H.G. Khodzhibagiyan, S.A. Kostromin, I.N. Meshkov, A.O. Sidorin, E. Syresin, G.V. Trubnikov JINR, Dubna, Moscow Region, Russia
	The Nuclotron-based Ion Collider fAcility (NICA) - accelerator complex is being constructed at JINR. It is aimed to the collider experiments with ions and protons and has to provide the ion-ion (Au+79) and ion-proton collision in the energy range of 1-4.5 GeV/amu and also polarized proton-proton and deuteron-deuteron collisions. Each of two collider ring has a racetrack shape with two bending arcs and two long straight sections. Beams are separated in vertical plane and come into collisions in two IPs. Dynamic aperture of the NICA collider has been studied for different parameters of the optics at IP. Effects of the fringe fields of structural elements are considered in the optimization of the collider lattice.
	Slides FRCAMH07 [4.547 MB]
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TUPSA028	QWR resonator Cavities Electrodynamics Simulations for new Nuclotron-NICA Injector	273
	M. Gusarova, T. Kulevoy, M.V. Lalayan, S.M. Polozov, N.P. Sobenin, D.V. Surkov, S.A. Terekhov, S.E. Toporkov, V. Zvyagintsev MEPhI, Moscow, Russia A.V. Butenko, A.O. Sidorin, G.V. Trubnikov JINR, Dubna, Moscow Region, Russia V. Zvyagintsev TRIUMF, Canada's National Laboratory for Particle and Nuclear Physics, Vancouver, Canada
	New linac-injector for Nuclotron-NICA is planned to consist of quarter-wave coaxial cavities (QWR) having velocities of ~0.07c and ~0.12c (beam energy from 5 to 17 MeV). These cavities are to be superconducting and operating at 162 MHz. Current results of the QWR cavities electrodynamics simulations and geometry optimizations are presented.
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WEPSB037	Beam Transfer From Heavy-Ion Linear Accelerator HILAC Into Booster of NICA Accelerator Complex	443
	A. Tuzikov, A.V. Butenko, A.A. Fateev, S.Yu. Kolesnikov, I.N. Meshkov, V.A. Mikhaylov, V.S. Shvetsov, A.O. Sidorin, A.I. Sidorov, G.V. Trubnikov, V. Volkov JINR, Dubna, Moscow Region, Russia
	Designs of systems of ion beam transfer from the linear accelerator HILAC into the Booster of the NICA accelerator complex (JINR, Dubna) including the transport beam line HILAC-Booster and the beam injection system of the Booster are considered in the report. The proposed systems provide multivariant injection for accumulation of beams in the Booster with required intensity. Special attention is paid to various aspects of beam dynamics during its transfer. Main methods of beam injection into the Booster are described. These are single-turn, multiturn and multiple injection ones. Results of beam dynamics simulations are presented. Status of technical design and manufacturing of the systems' equipment is also highlighted.
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WEPSB041	Stochastic Cooling System at NICA Project	455
	I.V. Gorelyshev, A.O. Sidorin JINR/VBLHEP, Dubna, Moscow region, Russia N. Shurkhno, G.V. Trubnikov JINR, Dubna, Moscow Region, Russia
	Stochastic cooling system is one of the crucial elements for luminosity preservation at NICA accelerator-collider complex. The foundation of main parameters of the stochastic cooling system is provided. The preparatory experimental work for longitudinal stochastic cooling was performed at Nuclotron accelerator. The description of Nuclotron system components, adjustment algorithms and remote control is given.
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THPSC041	New Superconducting Linac Injector Project for Nuclotron-Nica: Current Results	626
	S.M. Polozov, M. Gusarova, T. Kulevoy, M.V. Lalayan, A.V. Samoshin, S.E. Toporkov, V. Zvyagintsev MEPhI, Moscow, Russia M.A. Baturitski, S.A. Maksimenko INP BSU, Minsk, Belarus A.V. Butenko, A.O. Sidorin, G.V. Trubnikov JINR, Dubna, Moscow Region, Russia A.A. Marysheva, V.S. Petrakovsky, I.L. Pobol, A.I. Pokrovsky, D.A. Shparla, S.V. Yurevich Physical-Technical Institute of the National Academy of Sciences of Belarus, Minsk, Belarus V. Zvyagintsev TRIUMF, Canada's National Laboratory for Particle and Nuclear Physics, Vancouver, Canada
	The joint collaboration of JINR, NRNU MEPhI, INP BSU, PTI NASB, BSUIR and SPMRC NASB started in 2015 a new project on the development of superconducting cavities production and test technologies and new linac-injector design. This linac intend for the protons acceleration up to25 MeV (up to 50 MeV after upgrade) and light ions acceleration up to ~7.5 MeV/u for Nuclotron-NICA injection. Current status of linac general design and results of the beam dynamics simulation and SRF technology development are presented in this report.
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FRXMH01	NICA Project
	G.V. Trubnikov JINR/VBLHEP, Dubna, Moscow region, Russia
	The present status of the project of NICA project, which is under construction at JINR (Dubna), is given in report. The main goal of the project is to provide ion beams for experimental studies of hot and dense strongly interacting baryonic matter and spin physics. The proposed physics program concentrates on the search for possible manifestations of the phase transitions and critical phenomena in the energy region, where the excited matter is produced with maximal achievable net baryon density, and clarification of the origin of nucleon spin. The NICA collider will provide heavy ion collisions in the energy range of 4 - 11 GeV at average luminosity of 10²⁷ cm(-2)s(-1) for 197Au⁷⁹⁺ nuclei and polarized proton collisions in energy range of 12 - 27 GeV at luminosity of > 10³² cm(-2)s(-1). Time-line of the complex construction, details of start-up configuration, challenges of beam parameters and luminosity preservation are presented.
	Slides FRXMH01 [42.792 MB]
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THCBSH04	The Monitoring of the Effects of Earth Surface Inclination With the Precision Laser Inclinometer for High Luminosity Colliders	210
	B. Di Girolamo, J. Gayde, D. Mergelkuhl, M. Schaumann, J. Wenninger CERN, Geneva, Switzerland N.S. Azaryan, Ju. Boudagov, V.V. Glagolev, M.V. Lyablin, G. Shirkov JINR, Dubna, Moscow Region, Russia G.V. Trubnikov JINR/VBLHEP, Dubna, Moscow region, Russia
	Earth surface movements, like earthquakes or industrial noise, can induce a degradation of particle accelerator instantaneous luminosity or even sudden beam losses. This report introduces the HL-LHC project and discusses the importance of monitoring the effects of earthquakes on the present LHC beam orbit and luminosity using a novel instrument, the Precision Laser Inclinometer (PLI). After a brief description of the instrument principles, a comparison of data from the PLI and from the LHC beam instrumentation in the event of earthquakes is given. The aim is to characterize the response of the accelerator to remote or nearby Earth surface movements. The first results from simulation in comparison with data are presented. The impact of vibrations on high luminosity small-sized beam colliders, as in High Luminosity LHC among many other future projects, the possible applications of the PLI instrument and ideas about possible feedback systems conclude the contribution.
	Slides THCBSH04 [13.317 MB]
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WEPSB024	Program Complex for Modeling of the Beam Transverse Dynamics and Orbit Correction in Nuclotron, LHEP JINR	414
	I.V. Antropov, V.O. Khomutova, V.A. Kozynchenko, D.A. Ovsyannikov, A.O. Sidorin, G.V. Trubnikov Saint Petersburg State University, Saint Petersburg, Russia I.L. Avvakumova, A.O. Sidorin, G.V. Trubnikov JINR/VBLHEP, Dubna, Moscow region, Russia O.S. Kozlov, V.A. Mikhaylov JINR, Dubna, Moscow Region, Russia
	Program complex for modelling of transverse dynamic of particle beams and orbit correction at Nuclotron synchrotron (LHEP JINR) is considered in current work. The program complex provides calculation of transverse dynamic of charged particle beams in Nuclotron and its axis, based on linear model with transport matrix of lattice elements, calculation of Nuclotron Twiss parameters, acceptance and emittance of the beam. A possibility to optimize the location of beam position monitors (pick-up) and multipole correctors is foreseen as well as calculation of the orbit with measuring data of pick-up stations of Nuclotron. Program complex includes realizations of orbit correction algorithms with response matrix and provides correction of the orbit in Nuclotron. User's graphic interface provides interaction of user with program complex, including performance on demand of the user of separate functions of the program complex, providing input and maintenance of parameters, download from file and record into the file of parameters and calculation results, graphical view of the calculations results in program complex. Program software environment is integrated with MAD-X program (upload, processing of data to and from, visualization). Format of input and output data is compatible with relevant MAD-X format.
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Paper

Title

Page

Hadron Therapy Research and Applications at JINR

123

G. Shirkov, S. Gurskiy, O. Karamyshev, G.A. Karamysheva, N.A. Morozov, E.V. Samsonov, S.G. Shirkov, G.V. Trubnikov
JINR, Dubna, Moscow Region, Russia
D.V. Popov
JINR/DLNP, Dubna, Moscow region, Russia

JINR has the unique experience in cancer treatment with proton beam during about 50 years. In 2005 the collaboration with IBA (Belgium) was established. During these years the technical design of the first carbon superconducting cyclotron C400 was successfully created, the construction of serial proton cyclotron C230 was significantly improved and the fist modernized cyclotron C235 was assembled, debugged and put in the test operation in Dubna in 2013. This C235 will be used soon in the first Russian medical center with proton therapy in Dimitrovgrad. In 2015 the joint project with ASIPP (Hefei, China) on design and construction of superconducting proton cyclotron SC200 was started. Two samples of SC200 should be created according to the Collaboration Agreement between JINR and ASIPP. One will be used for proton therapy in Hefei and the second one should be used to replace the synchrocyclotron Phasotron in investigations on proton therapy at JINR.

Slides THYMH02 [29.140 MB]

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THCDMH03

The Progress on Manufacturing and Testing of the SC Magnets for the NICA Booster Synchrotron

144

H.G. Khodzhibagiyan, N.N. Agapov, P.G. Akishin, V.V. Borisov, A.V. Bychkov, A.M. Donyagin, A.R. Galimov, O. Golubitsky, V. Karpinsky, B.Yu. Kondratiev, S.A. Korovkin, S.A. Kostromin, A.V. Kudashkin, G.L. Kuznetsov, D.N. Nikiforov, A.V. Shemchuk, S.A. Smirnov, A.Y. Starikov, G.V. Trubnikov
JINR, Dubna, Moscow Region, Russia

NICA is a new accelerator collider complex under construction at the Joint Institute for Nuclear Research in Dubna. The facility is aimed at providing collider experiments with heavy ions up to Gold in the center of mass energy from 4 to 11 GeV/u and an average luminosity up to 1*10²⁷ cm^-2 s⁻¹ for Au⁷⁹⁺. The collisions of polarized deuterons are also foreseen. The facility includes two injector chains, a new superconducting booster synchrotron, the existing 6 AGeV superconducting synchrotron Nuclotron, and a new superconducting collider consisting of two rings, each 503 m in circumference. The booster synchrotron is based on an iron-dominated "window frame"- type magnet with a hollow superconductor winding analogous to the Nuclotron magnet. The design of superconducting magnets for the NICA booster synchrotron is described. The progress of work on the manufacturing and testing of the magnets is discussed. The calculated and measured values of the characteristics of the magnets are presented. The status of the facility for serial test of superconducting magnets for the NICA and FAIR projects is described.

Slides THCDMH03 [8.068 MB]

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THCDMH04

The FAIR-NICA Collaboration for Production and Testing of Superconducting Accelerator Magnets

E.S. Fischer, A. Bleile, J.P. Meier, A. Mierau, P. Schnizer, P.J. Spiller, K. Sugita
GSI, Darmstadt, Germany
H.G. Khodzhibagiyan, S.A. Kostromin, G.V. Trubnikov
JINR, Dubna, Moscow Region, Russia

Based on a common R&D process GSI Darmstadt and JINR Dubna had optimized the operation parameters of their fast ramped accelerator magnets designated for the heavy ion synchrotron SIS100 of the FAIR project as well as for the booster synchrotron and the heavy ion collider of the NICA project. These facilities are now under construction and the series production of the main magnets and correctors for SIS100 and NICA booster was launched. In parallel the superconducting magnet test facilities were commissioned in both institutes. The quadrupole and corrector magnets of the SIS100 will be produced by JINR as a Russian In-Kind contribution to FAIR and cold tested at the common NICA test facility in Dubna. We summarize the main parameters of the optimized magnets related to the magnetic field quality and the cooling efficiency, present the first production experiences and test results and give an outlook on the overall project schedules.

Slides THCDMH04 [19.788 MB]

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FRCAMH01

Status of the Nuclotron

150

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

Since last RuPAC two runs of the Nuclotron operation were performed: in January - March of 2015 and June 2016. Presently we are providing the run, which has been started at the end of October and will be continued up to the end of December. The facility development is aimed to the performance increase for current physical program realization and preparation to the NICA Booster construction and Baryonic Matter at Nuclotron experiment.

Slides FRCAMH01 [20.777 MB]

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FRCAMH02

Commissioning of New Light Ion RFQ Linac and First Nuclotron Run with New Injector

153

A.V. Butenko, A.M. Bazanov, D.E. Donets, A.D. Kovalenko, K.A. Levterov, D.A. Lyuosev, A.A. Martynov, V.V. Mialkovskiy, D.O. Ponkin, R.G. Pushkar, V.V. Seleznev, K.V. Shevchenko, I.V. Shirikov, A.O. Sidorin
JINR/VBLHEP, Dubna, Moscow region, Russia
S.V. Barabin, A.V. Kozlov, G. Kropachev, T. Kulevoy, V.G. Kuzmichev
ITEP, Moscow, Russia
A. Belov
RAS/INR, Moscow, Russia
V.V. Fimushkin, B.V. Golovenskiy, A. Govorov, V. Kobets, V.A. Monchinsky, A.V. Smirnov, G.V. Trubnikov
JINR, Dubna, Moscow Region, Russia
S.M. Polozov
MEPhI, Moscow, Russia

The new accelerator complex Nuclotron-based Ion Collider fAcility (NICA) is now under development and construction at JINR, Dubna. 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. Old HV for-injector of the LU-20, which operated from 1974, is replaced by the new RFQ accelerator, which was commissioned in spring 2016. The first Nuclotron technological run with new fore-injector was performed in June 2016. Beams of D⁺ and H²⁺ were successfully injected and accelerated in the Nuclotron ring. Main results of the RFQ commissioning and the first Nuclotron run with new for-injector is discussed in this paper.

Slides FRCAMH02 [30.140 MB]

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FRCAMH03

Commissioning of the New Heavy Ion Linac at the NICA Project

156

A.V. Butenko, A.M. Bazanov, D.E. Donets, A.D. Kovalenko, K.A. Levterov, D.A. Lyuosev, A.A. Martynov, V.V. Mialkovskiy, V.V. Seleznev, K.V. Shevchenko, I.V. Shirikov, A.O. Sidorin
JINR/VBLHEP, Dubna, Moscow region, Russia
B.V. Golovenskiy, A. Govorov, V. Kobets, V.A. Monchinsky, A.V. Smirnov, E. Syresin, G.V. Trubnikov
JINR, Dubna, Moscow Region, Russia
H. Hoeltermann, H. Podlech, U. Ratzinger, A. Schempp
BEVATECH, Frankfurt, Germany
D.A. Liakin
ITEP, Moscow, Russia

The new accelerator complex Nuclotron-based Ion Collider fAcility (NICA) is now under development and construction at JINR, Dubna. This complex is assumed to operate using two injectors: modernized old Alvarez-type linac LU-20 as injector of light polarized ions and a new Heavy Ion Linear Accelerator HILAc - injector of heavy ions beams. The new heavy ion linac accelerate ions with q/A values above 0.16 to 3.2 MeV/u is under commissioning. The main components are 4-Rod-RFQ and two IH - drift tube cavities is operated at 100.6 MHz. Main results of the HILAc commissioning with carbon beam from the laser ion source are discussed.

Slides FRCAMH03 [14.452 MB]

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FRCAMH05

Booster Synchrotron at NICA Accelerator Complex

160

A. Tuzikov, O.I. Brovko, A.V. Butenko, A.V. Eliseev, A.A. Fateev, V. Karpinsky, H.G. Khodzhibagiyan, S.A. Kostromin, I.N. Meshkov, V.A. Mikhaylov, A.O. Sidorin, A.I. Sidorov, A.V. Smirnov, E. Syresin, G.V. Trubnikov, V. Volkov
JINR, Dubna, Moscow Region, Russia
O. Anchugov, V.A. Kiselev, D.A. Shvedov, A.N. Zhuravlev
BINP SB RAS, Novosibirsk, Russia

NICA is the new complex being constructed on the JINR aimed to provide collider experiments with ions up to aurum at energy of 4.5x4.5 GeV/u. The NICA layout includes 600 MeV/u Booster synchrotron as a part of the injection chain of the NICA Collider. The main goals of the Booster are the following: accumulation of 4E10⁹ Au³¹⁺ ions; acceleration of the heavy ions up to energy required for effective stripping; forming of the required beam emittance with electron cooling system. The layout makes it possible to place the Booster having 210.96 m circumference and four fold symmetry lattice inside the yoke of the former Synchrophasotron. The features of the Booster, its main systems, their parameters and current status are presented in this paper.

Slides FRCAMH05 [16.830 MB]

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FRCAMH07

NICA Collider Lattice Optimization

166

O.S. Kozlov, A.V. Butenko, H.G. Khodzhibagiyan, S.A. Kostromin, I.N. Meshkov, A.O. Sidorin, E. Syresin, G.V. Trubnikov
JINR, Dubna, Moscow Region, Russia

The Nuclotron-based Ion Collider fAcility (NICA) - accelerator complex is being constructed at JINR. It is aimed to the collider experiments with ions and protons and has to provide the ion-ion (Au+79) and ion-proton collision in the energy range of 1-4.5 GeV/amu and also polarized proton-proton and deuteron-deuteron collisions. Each of two collider ring has a racetrack shape with two bending arcs and two long straight sections. Beams are separated in vertical plane and come into collisions in two IPs. Dynamic aperture of the NICA collider has been studied for different parameters of the optics at IP. Effects of the fringe fields of structural elements are considered in the optimization of the collider lattice.

Slides FRCAMH07 [4.547 MB]

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TUPSA028

QWR resonator Cavities Electrodynamics Simulations for new Nuclotron-NICA Injector

273

M. Gusarova, T. Kulevoy, M.V. Lalayan, S.M. Polozov, N.P. Sobenin, D.V. Surkov, S.A. Terekhov, S.E. Toporkov, V. Zvyagintsev
MEPhI, Moscow, Russia
A.V. Butenko, A.O. Sidorin, G.V. Trubnikov
JINR, Dubna, Moscow Region, Russia
V. Zvyagintsev
TRIUMF, Canada's National Laboratory for Particle and Nuclear Physics, Vancouver, Canada

New linac-injector for Nuclotron-NICA is planned to consist of quarter-wave coaxial cavities (QWR) having velocities of ~0.07c and ~0.12c (beam energy from 5 to 17 MeV). These cavities are to be superconducting and operating at 162 MHz. Current results of the QWR cavities electrodynamics simulations and geometry optimizations are presented.

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WEPSB037

Beam Transfer From Heavy-Ion Linear Accelerator HILAC Into Booster of NICA Accelerator Complex

443

A. Tuzikov, A.V. Butenko, A.A. Fateev, S.Yu. Kolesnikov, I.N. Meshkov, V.A. Mikhaylov, V.S. Shvetsov, A.O. Sidorin, A.I. Sidorov, G.V. Trubnikov, V. Volkov
JINR, Dubna, Moscow Region, Russia

Designs of systems of ion beam transfer from the linear accelerator HILAC into the Booster of the NICA accelerator complex (JINR, Dubna) including the transport beam line HILAC-Booster and the beam injection system of the Booster are considered in the report. The proposed systems provide multivariant injection for accumulation of beams in the Booster with required intensity. Special attention is paid to various aspects of beam dynamics during its transfer. Main methods of beam injection into the Booster are described. These are single-turn, multiturn and multiple injection ones. Results of beam dynamics simulations are presented. Status of technical design and manufacturing of the systems' equipment is also highlighted.

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WEPSB041

Stochastic Cooling System at NICA Project

455

I.V. Gorelyshev, A.O. Sidorin
JINR/VBLHEP, Dubna, Moscow region, Russia
N. Shurkhno, G.V. Trubnikov
JINR, Dubna, Moscow Region, Russia

Stochastic cooling system is one of the crucial elements for luminosity preservation at NICA accelerator-collider complex. The foundation of main parameters of the stochastic cooling system is provided. The preparatory experimental work for longitudinal stochastic cooling was performed at Nuclotron accelerator. The description of Nuclotron system components, adjustment algorithms and remote control is given.

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THPSC041

New Superconducting Linac Injector Project for Nuclotron-Nica: Current Results

626

S.M. Polozov, M. Gusarova, T. Kulevoy, M.V. Lalayan, A.V. Samoshin, S.E. Toporkov, V. Zvyagintsev
MEPhI, Moscow, Russia
M.A. Baturitski, S.A. Maksimenko
INP BSU, Minsk, Belarus
A.V. Butenko, A.O. Sidorin, G.V. Trubnikov
JINR, Dubna, Moscow Region, Russia
A.A. Marysheva, V.S. Petrakovsky, I.L. Pobol, A.I. Pokrovsky, D.A. Shparla, S.V. Yurevich
Physical-Technical Institute of the National Academy of Sciences of Belarus, Minsk, Belarus
V. Zvyagintsev
TRIUMF, Canada's National Laboratory for Particle and Nuclear Physics, Vancouver, Canada

The joint collaboration of JINR, NRNU MEPhI, INP BSU, PTI NASB, BSUIR and SPMRC NASB started in 2015 a new project on the development of superconducting cavities production and test technologies and new linac-injector design. This linac intend for the protons acceleration up to25 MeV (up to 50 MeV after upgrade) and light ions acceleration up to ~7.5 MeV/u for Nuclotron-NICA injection. Current status of linac general design and results of the beam dynamics simulation and SRF technology development are presented in this report.

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FRXMH01

NICA Project

G.V. Trubnikov
JINR/VBLHEP, Dubna, Moscow region, Russia

The present status of the project of NICA project, which is under construction at JINR (Dubna), is given in report. The main goal of the project is to provide ion beams for experimental studies of hot and dense strongly interacting baryonic matter and spin physics. The proposed physics program concentrates on the search for possible manifestations of the phase transitions and critical phenomena in the energy region, where the excited matter is produced with maximal achievable net baryon density, and clarification of the origin of nucleon spin. The NICA collider will provide heavy ion collisions in the energy range of 4 - 11 GeV at average luminosity of 10²⁷ cm(-2)s(-1) for 197Au⁷⁹⁺ nuclei and polarized proton collisions in energy range of 12 - 27 GeV at luminosity of > 10³² cm(-2)s(-1). Time-line of the complex construction, details of start-up configuration, challenges of beam parameters and luminosity preservation are presented.

Slides FRXMH01 [42.792 MB]

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THCBSH04

The Monitoring of the Effects of Earth Surface Inclination With the Precision Laser Inclinometer for High Luminosity Colliders

210

B. Di Girolamo, J. Gayde, D. Mergelkuhl, M. Schaumann, J. Wenninger
CERN, Geneva, Switzerland
N.S. Azaryan, Ju. Boudagov, V.V. Glagolev, M.V. Lyablin, G. Shirkov
JINR, Dubna, Moscow Region, Russia
G.V. Trubnikov
JINR/VBLHEP, Dubna, Moscow region, Russia

Earth surface movements, like earthquakes or industrial noise, can induce a degradation of particle accelerator instantaneous luminosity or even sudden beam losses. This report introduces the HL-LHC project and discusses the importance of monitoring the effects of earthquakes on the present LHC beam orbit and luminosity using a novel instrument, the Precision Laser Inclinometer (PLI). After a brief description of the instrument principles, a comparison of data from the PLI and from the LHC beam instrumentation in the event of earthquakes is given. The aim is to characterize the response of the accelerator to remote or nearby Earth surface movements. The first results from simulation in comparison with data are presented. The impact of vibrations on high luminosity small-sized beam colliders, as in High Luminosity LHC among many other future projects, the possible applications of the PLI instrument and ideas about possible feedback systems conclude the contribution.

Slides THCBSH04 [13.317 MB]

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WEPSB024

Program Complex for Modeling of the Beam Transverse Dynamics and Orbit Correction in Nuclotron, LHEP JINR

414

I.V. Antropov, V.O. Khomutova, V.A. Kozynchenko, D.A. Ovsyannikov, A.O. Sidorin, G.V. Trubnikov
Saint Petersburg State University, Saint Petersburg, Russia
I.L. Avvakumova, A.O. Sidorin, G.V. Trubnikov
JINR/VBLHEP, Dubna, Moscow region, Russia
O.S. Kozlov, V.A. Mikhaylov
JINR, Dubna, Moscow Region, Russia

Program complex for modelling of transverse dynamic of particle beams and orbit correction at Nuclotron synchrotron (LHEP JINR) is considered in current work. The program complex provides calculation of transverse dynamic of charged particle beams in Nuclotron and its axis, based on linear model with transport matrix of lattice elements, calculation of Nuclotron Twiss parameters, acceptance and emittance of the beam. A possibility to optimize the location of beam position monitors (pick-up) and multipole correctors is foreseen as well as calculation of the orbit with measuring data of pick-up stations of Nuclotron. Program complex includes realizations of orbit correction algorithms with response matrix and provides correction of the orbit in Nuclotron. User's graphic interface provides interaction of user with program complex, including performance on demand of the user of separate functions of the program complex, providing input and maintenance of parameters, download from file and record into the file of parameters and calculation results, graphical view of the calculations results in program complex. Program software environment is integrated with MAD-X program (upload, processing of data to and from, visualization). Format of input and output data is compatible with relevant MAD-X format.

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