Paper | Title | Page |
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MOXMH03 | Status of Accelerator Complex NICA | 12 |
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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. | ||
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Slides MOXMH03 [21.679 MB] | |
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-MOXMH03 | |
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TUZMH04 | Status of the Nuclotron | 49 |
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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. | ||
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Slides TUZMH04 [17.667 MB] | |
DOI • | 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 |
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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. | ||
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Slides TUCDMH01 [19.649 MB] | |
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-TUCDMH01 | |
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TUPSA14 | Numerical Computation of Dynamic Aperture for the NICA Booster | 175 |
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Modern accelerators are made with high-field superconducting dipoles, quadrupoles and sextupoles that exhibit unintentional imperfections of the guiding field-shape due to construction tolerances, persistent currents and magnetic saturation. This deviation from linearity has a profound influence on the beam dynamics. In this work the research of nonlinear beam dynamics for the NICA booster was carried out. Sextupole and octupole fields for dipole and quadrupole magnets, according to ongoing magnetic measurements, were taken into account, as well as adjustment errors for magnets. Numerical simulation in MADX program has been used to evaluate the dynamic aperture for the booster. In addition, betatron tune shift with amplitude was calculated. The results showed that dynamic aperture is exceeded its geometrical acceptance at least in three times. | ||
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-TUPSA14 | |
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TUPSA51 |
New Output Channels for Nuclotron Accelerator | |
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In framework of Nuclotron-based Ion Collider fAcility (NICA) two new high energy channels are under development. At first channel is a test facility for investigation of the radiation resistance of the electronic components and equipments under irradiation by the heavy ion beams. In addition to activity at the Dubna Cyclotrons it will cover all requirements of Space industry. The second channel will be a test facility for biological experiments under the ion irradiation. The general layout of beam transport for both channels as well as the test-facilities for them are presented and discussed. | ||
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WEPSB19 | A Prototype of Pulsed Septum Magnet for NICA Collider Injection | 325 |
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The development and creation of the ion collider NICA continues at the Joint Institute for nuclear research. A scheme of beam injection into the NICA Collider using a pulsed septum magnet is presented. The duration of the pulse magnetic field is about 10 µsec, the amplitude of the field is about 0.5 Tesla. The conceptual design of the septum prototype and the power supply scheme are given. The power supply provides a current of about 50 kA in a current loop with an inductance of 1 µH. | ||
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-WEPSB19 | |
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