Author: Khodzhibagiyan, H.G.
Paper Title Page
MOPAB025 First Experiments with Accelerated Ion Beams in the Booster of NICA Accelerator Complex 123
 
  • A.V. Butenko, V. Andreev, A.M. Bazanov, O.I. Brovko, D.E. Donets, A.V. Eliseev, I.V. Gorelyshev, A.V. Konstantinov, S.A. Kostromin, O.S. Kozlov, K.A. Levterov, A. Nesterov, A.V. Philippov, D.O. Ponkin, G.S. Sedykh, I.V. Shirikov, A.O. Sidorin, E. Syresin, A. Tuzikov, V. Volkov
    JINR/VBLHEP, Moscow, Russia
  • N.N. Agapov, A.V. Alfeev, A.A. Baldin, A.A. Fateev, A.R. Galimov, B.V. Golovenskiy, E.V. Gorbachev, A. Govorov, E.V. Ivanov, V. Karpinsky, V.D. Kekelidze, H.G. Khodzhibagiyan, A. Kirichenko, A.G. Kobets, S.A. Korovkin, V. Kosachev, A.D. Kovalenko, G. Kunchenko, I.N. Meshkov, V.A. Mikhailov, V.A. Monchinsky, D. Nikiforov, R.V. Pivin, S. Romanov, A.A. Shurygin, A.I. Sidorov, A.N. Svidetelev, G.V. Trubnikov, B. Vasilishin
    JINR, Dubna, Moscow Region, Russia
  • G.A. Fatkin
    Cosylab Siberia, Novosibirsk, Russia
  
  The NICA accelerator complex in JINR consist of two linear injector chains, a 578 MeV/u superconducting (SC) Booster synchrotron, the existing SC synchrotron Nuclotron, and a new SC collider that has two storage rings. The construction of the facility is based on the Nuclotron technology of SC magnets with an iron yoke and hollow SC cable. Assembly of the Booster synchrotron was finished in autumn of 2020 and first machine Run and experiments with ion beams were successfully done in December 2020. The results of this Run are discussed in this paper.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-MOPAB025  
About • paper received ※ 16 May 2021       paper accepted ※ 07 September 2021       issue date ※ 15 August 2021  
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TUXC05
 Production and testing of NICA collider magnets  
 
  • D. Nikiforov, H.G. Khodzhibagiyan, M.V. Petrov
    JINR, Dubna, Moscow Region, Russia
  • Yu.G. Bespalov, S.A. Kostromin
    JINR/VBLHEP, Dubna, Moscow region, Russia
  
  The commissioning of the accelerating complex NICA (Nuclotron-based Ion Collider fAcility) will be carried out at the end of 2022. The NICA complex includes a heavy ion linear accelerator (HILAc) and three superconducting (SC) rings new Booster synchrotron (Booster), synchrotron - Nuclotron, and collider. Collider has a two-aperture structure and consists 327 SC magnets. The report presents the results of cryogenic tests of SC magnets on a cryogenic test bench, such as research quench histories of the SC coils, measurement static heat leak and dynamic heat releases, search cold leaks. More than 80% of the collider’s dipole magnets successfully passed cryogenic tests at the end of January 2021. The first successful cryogenic tests of quadrupole lenses with correcting SC magnets were carried out.
Grant LHEP 21-103-02 		 
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TUPAB383 Magnetic Field Performance of the First Serial Quadrupole Units for the SIS100 Synchrotron of FAIR 2417
 
  • V.V. Borisov, O. Golubitsky, H.G. Khodzhibagiyan, B.Yu. Kondratiev, M.M. Shandov
    JINR, Dubna, Russia
  • E.S. Fischer, M.A. Kashunin, S.A. Kostromin, I. Nikolaichuk, T. Parfylo, A.V. Shemchuk, D.A. Zolotykh
    JINR/VBLHEP, Dubna, Moscow region, Russia
  
  The FAIR project is a new international accelerator complex, currently under construction in Darmstadt, Germany. The heavy-ion synchrotron SIS100 is the main accelerator of the whole complex. It will provide high-intensity primary beams with a magnetic rigidity of 100 Tm and a maximum repetition rate up to 4 Hz. The series production and testing of superconducting quadrupole units began in 2020 at JINR, Dubna. The first batch of units was delivered to Germany in September 2020. Each unit is subjected to a comprehensive testing program both at ambient temperature and under cryogenic conditions. We present the performance characteristics of the first quadrupole units (consisting of a lattice quadrupole magnet and correcting magnet mechanically and hydraulically coupled to a quadrupole). The main attention is paid to the field quality of the series of 6 quadrupoles measured by the same probe.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-TUPAB383  
About • paper received ※ 19 May 2021       paper accepted ※ 02 June 2021       issue date ※ 01 September 2021  
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