IPAC2014 - List of Authors (Kostromin, S.A.)

Paper	Title	Page
TUPRO005	Status of the NICA Project at JINR	1003
	G.V. Trubnikov, N.N. Agapov, A.V. Butenko, D.E. Donets, E.D. Donets, E.E. Donets, A.V. Eliseev, E.V. Gorbachev, A. Govorov, E.V. Ivanov, V. Karpinsky, V.D. Kekelidze, H.G. Khodzhibagiyan, S.A. Kostromin, A.D. Kovalenko, O.S. Kozlov, V.A. Matveev, I.N. Meshkov, V.A. Mikhailov, V. Monchinsky, N. Shurkhno, A.O. Sidorin, I. Slepnev, V. Slepnev, A.V. Smirnov, A. Sorin, N.D. Topilin, A. Tuzikov, V. Volkov JINR, Dubna, Moscow Region, Russia O.I. Brovko, A.V. Philippov, N.V. Semin JINR/VBLHEP, Dubna, Moscow region, Russia
	Nuclotron-based Ion Collider fAcility (NICA) is the new accelerator complex being constructed in Joint Institute for Nuclear Research. General goal of the project is to provide experimental study of hot and dense strongly interacting QCD matter. The development of NICA injection complex is actively performed. Construction of new 3.2 MeV/u heavy-ion linear accelerator (HILac) is now under way in Germany. Construction of booster has been started. In this report the present status of the NICA accelerator complex are presented.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-TUPRO005
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TUPRO099	Development of a Method for Measuring the Radial Component of the Magnetic Field in AVF Cyclotrons	1274
	N.A. Morozov, G.A. Karamysheva, S.A. Kostromin, E. Samsonov, N.G. Shakun, E. Syresin JINR, Dubna, Moscow Region, Russia
	In AVF cyclotrons the median plane of the magnetic field rather often does not coincide with the mid-plane of their magnetic system. To measure the radial component of the magnetic field, equipment based on search coils is developed and used to correct the median plane of the magnetic field. The equipment for Br mapping is described. The Br mapping and shimming results are presented for two proton therapy IBA C230 cyclotrons.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-TUPRO099
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WEPRO093	Possibility of Application of THz Wiggler in Low Energy FEL for Measurements of Electron Bunch Longitudinal Structure	2177
	E. Syresin, S.A. Kostromin, R.S. Makarov, N.A. Morozov, D. Petrov JINR, Dubna, Moscow Region, Russia M. Krasilnikov DESY Zeuthen, Zeuthen, Germany
	Funding: The work is funded by HGDF-RFBR Grant HRJRG-400 The infrared undulator constructed at JINR and installed at FLASH in 2007 is used for longitudinal bunch shape measurements in the range of several tenths of μm. The presented below electromagnetic wiggler is applied for a narrow-band THz radiation for measurements of electron bunch longitudinal structure in FEL with electron energy of several tenths of MeV. This is a planar electromagnetic device with 6 regular periods, each of 30 cm long. The K parameter is varied in the range 0.5- 7.12 corresponding to a range B=0.025- 0.356 T of the peak field on axis. The wiggler is simulated for 19.8 MeV/c FEL. The bunch compression scheme allows the whole wavelength range to be covered by super-radiant emission with a sufficient form factor. The wavelength range corresponds to 126 μm - 5.3 mm for the electron beam momentum of 19.8 MeV/c. The 3D Opera simulations of THz wiggler will be discussed.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-WEPRO093
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WEPRI089	Facility for Assembling and Serial Test of Superconducting Magnets	2700
	S.A. Kostromin, N.N. Agapov, V.V. Borisov, A.R. Galimov, V. Karpinsky, H.G. Khodzhibagiyan, V.S. Korolev, D. Nikiforov, N.V. Semin, A.Y. Starikov, G.V. Trubnikov JINR, Dubna, Moscow Region, Russia
	The NICA/MPD project has been started at the Joint Institute for Nuclear Research (JINR) in Dubna in 2007. The NICA accelerator complex will consist of two injector chains, the new 600 MeV/u superconducting (SC) booster synchrotron, the existing SC synchrotron Nuclotron, and the new SC collider having two rings each of 503 m in circumference. The building construction of the new test facility for simultaneous cryogenic testing of the SC magnets on 6 benches is completed at the Laboratory of High Energy Physics. Premises with an area of 2600 m2 were prepared to install the equipment. The 15 kA, 25 V pulse power supply, the helium satellite refrigerator with capacity of 100 W were commissioned first bench for magnets testing is now under assembling. First magnets cryogenic tests are planned on July. Start of the serial production of the SC magnets for the booster synchrotron is planned for the end of 2014.
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WEPRI090	Cyclotron C235-V3 for Dimitrovgrad Hospital Center of the Proton Therapy	2703
	S.A. Kostromin, S. Gurskiy, G.A. Karamysheva, M.Y. Kazarinov, S.A. Korovkin, S.P. Mokrenko, N.A. Morozov, A.G. Olshevsky, V.M. Romanov, E. Samsonov, N.G. Shakun, G. Shirkov, S.G. Shirkov, E. Syresin JINR, Dubna, Moscow Region, Russia P. Cahay, Y. Jongen, Y. Paradis IBA, Louvain-la-Neuve, Belgium
	JINR-IBA C235-V3 isochronous cyclotron for 1st Russian hospital center of the proton therapy has been assembled and tested. Shimming of the magnetic field, optimization of the acceleration modes and testing with the extracted proton beam were done in frame of this work. The paper presents experimental results of the beam dynamics in the accelerator. Proton transmission from radius 30cm to 103cm is 72% without beam cutting diaphragms. The extraction efficiency is 62%. This cyclotron is a substantially modified version C235-V3 of the IBA C235 serial cyclotron. C235-V3 has the improved extraction system which was constructed and tested. This system allows raise the extraction efficiency up to 77% from 50% in comparison with serial C235. Special mapping system (for Br-component) of the magnetic field was developed and constructed by JINR for the shimming of the Br-field in the middle plane of the cyclotron. Total efficiency of the machine is 45%. Further improvement of the parameters expected after final tuning of the cyclotron in Dimitrovgrad.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-WEPRI090
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THPRO070	Beam Dynamics Simulations in Cyclotron C230 Considering Imperfections of Magnetic Field Radial Component	3038
	E. Samsonov, S.A. Kostromin, N.A. Morozov, E. Syresin JINR, Dubna, Moscow Region, Russia
	Simulations concern to a beam axial motion in the IBA cyclotron C230 that is a base facility in several medical centers worldwide. Because of small axial focusing of the beam in a center of the cyclotron the radial component of magnetic field imperfections leads to additional proton losses. Measured maps of the axial and radial components of magnetic field were used in the simulations. It was found that the radial component with value 5-10 G in the center and approximately 2 G in the main region of acceleration leads to decrease of the resulting beam intensity by about two times and to increase the beam axial width by 25% as well. Simulations define the requirements to the experimental radial component shaping for the next cyclotrons of this series. Providing these requirements will ensure an absence of the additional proton losses due to the axial motion perturbations.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-THPRO070
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Paper

Title

Page

Status of the NICA Project at JINR

1003

G.V. Trubnikov, N.N. Agapov, A.V. Butenko, D.E. Donets, E.D. Donets, E.E. Donets, A.V. Eliseev, E.V. Gorbachev, A. Govorov, E.V. Ivanov, V. Karpinsky, V.D. Kekelidze, H.G. Khodzhibagiyan, S.A. Kostromin, A.D. Kovalenko, O.S. Kozlov, V.A. Matveev, I.N. Meshkov, V.A. Mikhailov, V. Monchinsky, N. Shurkhno, A.O. Sidorin, I. Slepnev, V. Slepnev, A.V. Smirnov, A. Sorin, N.D. Topilin, A. Tuzikov, V. Volkov
JINR, Dubna, Moscow Region, Russia
O.I. Brovko, A.V. Philippov, N.V. Semin
JINR/VBLHEP, Dubna, Moscow region, Russia

Nuclotron-based Ion Collider fAcility (NICA) is the new accelerator complex being constructed in Joint Institute for Nuclear Research. General goal of the project is to provide experimental study of hot and dense strongly interacting QCD matter. The development of NICA injection complex is actively performed. Construction of new 3.2 MeV/u heavy-ion linear accelerator (HILac) is now under way in Germany. Construction of booster has been started. In this report the present status of the NICA accelerator complex are presented.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-TUPRO005

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TUPRO099

Development of a Method for Measuring the Radial Component of the Magnetic Field in AVF Cyclotrons

1274

N.A. Morozov, G.A. Karamysheva, S.A. Kostromin, E. Samsonov, N.G. Shakun, E. Syresin
JINR, Dubna, Moscow Region, Russia

In AVF cyclotrons the median plane of the magnetic field rather often does not coincide with the mid-plane of their magnetic system. To measure the radial component of the magnetic field, equipment based on search coils is developed and used to correct the median plane of the magnetic field. The equipment for Br mapping is described. The Br mapping and shimming results are presented for two proton therapy IBA C230 cyclotrons.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-TUPRO099

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WEPRO093

Possibility of Application of THz Wiggler in Low Energy FEL for Measurements of Electron Bunch Longitudinal Structure

2177

E. Syresin, S.A. Kostromin, R.S. Makarov, N.A. Morozov, D. Petrov
JINR, Dubna, Moscow Region, Russia
M. Krasilnikov
DESY Zeuthen, Zeuthen, Germany

Funding: The work is funded by HGDF-RFBR Grant HRJRG-400
The infrared undulator constructed at JINR and installed at FLASH in 2007 is used for longitudinal bunch shape measurements in the range of several tenths of μm. The presented below electromagnetic wiggler is applied for a narrow-band THz radiation for measurements of electron bunch longitudinal structure in FEL with electron energy of several tenths of MeV. This is a planar electromagnetic device with 6 regular periods, each of 30 cm long. The K parameter is varied in the range 0.5- 7.12 corresponding to a range B=0.025- 0.356 T of the peak field on axis. The wiggler is simulated for 19.8 MeV/c FEL. The bunch compression scheme allows the whole wavelength range to be covered by super-radiant emission with a sufficient form factor. The wavelength range corresponds to 126 μm - 5.3 mm for the electron beam momentum of 19.8 MeV/c. The 3D Opera simulations of THz wiggler will be discussed.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-WEPRO093

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WEPRI089

Facility for Assembling and Serial Test of Superconducting Magnets

2700

S.A. Kostromin, N.N. Agapov, V.V. Borisov, A.R. Galimov, V. Karpinsky, H.G. Khodzhibagiyan, V.S. Korolev, D. Nikiforov, N.V. Semin, A.Y. Starikov, G.V. Trubnikov
JINR, Dubna, Moscow Region, Russia

The NICA/MPD project has been started at the Joint Institute for Nuclear Research (JINR) in Dubna in 2007. The NICA accelerator complex will consist of two injector chains, the new 600 MeV/u superconducting (SC) booster synchrotron, the existing SC synchrotron Nuclotron, and the new SC collider having two rings each of 503 m in circumference. The building construction of the new test facility for simultaneous cryogenic testing of the SC magnets on 6 benches is completed at the Laboratory of High Energy Physics. Premises with an area of 2600 m2 were prepared to install the equipment. The 15 kA, 25 V pulse power supply, the helium satellite refrigerator with capacity of 100 W were commissioned first bench for magnets testing is now under assembling. First magnets cryogenic tests are planned on July. Start of the serial production of the SC magnets for the booster synchrotron is planned for the end of 2014.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-WEPRI089

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WEPRI090

Cyclotron C235-V3 for Dimitrovgrad Hospital Center of the Proton Therapy

2703

S.A. Kostromin, S. Gurskiy, G.A. Karamysheva, M.Y. Kazarinov, S.A. Korovkin, S.P. Mokrenko, N.A. Morozov, A.G. Olshevsky, V.M. Romanov, E. Samsonov, N.G. Shakun, G. Shirkov, S.G. Shirkov, E. Syresin
JINR, Dubna, Moscow Region, Russia
P. Cahay, Y. Jongen, Y. Paradis
IBA, Louvain-la-Neuve, Belgium

JINR-IBA C235-V3 isochronous cyclotron for 1st Russian hospital center of the proton therapy has been assembled and tested. Shimming of the magnetic field, optimization of the acceleration modes and testing with the extracted proton beam were done in frame of this work. The paper presents experimental results of the beam dynamics in the accelerator. Proton transmission from radius 30cm to 103cm is 72% without beam cutting diaphragms. The extraction efficiency is 62%. This cyclotron is a substantially modified version C235-V3 of the IBA C235 serial cyclotron. C235-V3 has the improved extraction system which was constructed and tested. This system allows raise the extraction efficiency up to 77% from 50% in comparison with serial C235. Special mapping system (for Br-component) of the magnetic field was developed and constructed by JINR for the shimming of the Br-field in the middle plane of the cyclotron. Total efficiency of the machine is 45%. Further improvement of the parameters expected after final tuning of the cyclotron in Dimitrovgrad.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-WEPRI090

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THPRO070

Beam Dynamics Simulations in Cyclotron C230 Considering Imperfections of Magnetic Field Radial Component

3038

E. Samsonov, S.A. Kostromin, N.A. Morozov, E. Syresin
JINR, Dubna, Moscow Region, Russia

Simulations concern to a beam axial motion in the IBA cyclotron C230 that is a base facility in several medical centers worldwide. Because of small axial focusing of the beam in a center of the cyclotron the radial component of magnetic field imperfections leads to additional proton losses. Measured maps of the axial and radial components of magnetic field were used in the simulations. It was found that the radial component with value 5-10 G in the center and approximately 2 G in the main region of acceleration leads to decrease of the resulting beam intensity by about two times and to increase the beam axial width by 25% as well. Simulations define the requirements to the experimental radial component shaping for the next cyclotrons of this series. Providing these requirements will ensure an absence of the additional proton losses due to the axial motion perturbations.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-THPRO070

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