| Paper |
Title |
Other Keywords |
Page |
| MOPSA42 |
Compact S-Band Accelerating Structure for Medical Applications |
coupling, linac, electron, bunching |
186 |
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- M.V. Lalayan, A. Batov, M. Gusarova, S.M. Polozov, R.A. Zbruev
MEPhI, Moscow, Russia
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This paper describes electromagnetic design results for the compact 6.3 MeV electron linac for the radiation therapy facility. Linac is based on S-band biperiodic accelerating structure with inner coupling cells with an increased coupling coefficient.
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-RuPAC2021-MOPSA42
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| About • |
Received ※ 01 October 2021 — Revised ※ 02 October 2021 — Accepted ※ 09 October 2021 — Issued ※ 11 October 2021 |
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| TUPSB05 |
Longitudinal Impedance of the NICA Collider Ring and Ion Beam Stability |
collider, kicker, feedback, vacuum |
239 |
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- S.A. Melnikov, E.V. Ahmanova, I.N. Meshkov
JINR, Dubna, Moscow Region, Russia
- A.V. Ivanov
NSU, Novosibirsk, Russia
- A.V. Ivanov
BINP SB RAS, Novosibirsk, Russia
- M.Yu. Korobitsina, K.G. Osipov
JINR/VBLHEP, Dubna, Moscow region, Russia
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The report presents the results of optimization of the longitudinal coupling impedance of the NICA collider ring using numerical simulation of its individual elements by the CST Studio. Based on the obtained results, analytical estimates of the stability of the ion beam in the ring are obtained for one energy value - 3 GeV/u.
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-RuPAC2021-TUPSB05
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| About • |
Received ※ 27 September 2021 — Revised ※ 04 October 2021 — Accepted ※ 09 October 2021 — Issued ※ 14 October 2021 |
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| WEPSC03 |
Multipactor Discharge in Short 5-Gap 80 MHz IH Structures |
multipactoring, electron, cavity, simulation |
343 |
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- M.M. Bulgacheva, M. Gusarova, M.V. Lalayan
MEPhI, Moscow, Russia
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The results of numerical simulations of multipacting discharge in accelerating Interdigital H-type (IH) cavities are presented in this paper. Optimal design parameters were selected to reduce the number of multipactor electrons. The localization of multipactor trajectories in the short 5-gap 80 MHz IH cavities at various levels of accelerating voltage is considered.
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-RuPAC2021-WEPSC03
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| About • |
Received ※ 26 September 2021 — Revised ※ 27 September 2021 — Accepted ※ 09 October 2021 — Issued ※ 17 October 2021 |
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| WEPSC13 |
Accelerating Cavities with HOM Damping for USSR-4 Storage Ring |
HOM, cavity, GUI, damping |
367 |
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- Ya.V. Shashkov, M. Gusarova, M.V. Lalayan, N.Yu. Samarokov
MEPhI, Moscow, Russia
- M. Gusarova
NRC, Moscow, Russia
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Preliminary results on accelerating cavities for USSR-4 facility (also known as SYLA - SYnchrotron and free-electron LAser) project are presented. This facility is under development by collaboration hosted by National Research Center "Kurchatov Institute". SYLA is synchro-tron radiation facility based on injector linac and 6 GeV storage ring. Beam energy loss in storage ring is to be compensated by several modified pillbox cavities. Cavity geometry features, its operation frequency choice and induced HOM parameters are discussed. HOM damping technique using corrugated cylindrical waveguides were studied. Longitudinal impedance values of HOM are presented for initial accelerating cavity and structure with waveguides.
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-RuPAC2021-WEPSC13
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| About • |
Received ※ 18 September 2021 — Revised ※ 30 September 2021 — Accepted ※ 09 October 2021 — Issued ※ 21 October 2021 |
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| WEPSC15 |
Barrier Station RF1 of the NICA Collider. Design Features and Influence on Beam Dynamics |
collider, injection, simulation, space-charge |
373 |
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- A.M. Malyshev, A.A. Krasnov, Ya.G. Kruchkov, S.A. Krutikhin, G.Y. Kurkin, A.Yu. Martynovsky, N.V. Mityanina, S.V. Motygin, A.A. Murasev, V.N. Osipov, V.M. Petrov, A.M. Pilan, E. Rotov, V.V. Tarnetsky, A.G. Tribendis, I.A. Zapryagaev, A.A. Zhukov
BINP SB RAS, Novosibirsk, Russia
- O.I. Brovko, I.N. Meshkov, E. Syresin
JINR/VBLHEP, Moscow, Russia
- I.N. Meshkov
Saint Petersburg State University, Saint Petersburg, Russia
- E. Rotov
NSU, Novosibirsk, Russia
- A.G. Tribendis
NSTU, Novosibirsk, Russia
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This paper reports on the design features and con-struction progress of the barrier bucket RF systems for the NICA collider being built at JINR, Dubna. Each of two collider rings has three RF systems named RF1 to 3. RF1 is a barrier bucket system used for particles capturing and accumulation during injection, RF2 and 3 are resonant systems operating at 22nd and 66th harmonics of the revolution frequency and used for the 22 bunches formation. The RF systems are de-signed by Budker INP. Both RF1 stations were manu-factured, delivered to JINR and tested at the stand. The test results are presented in the article, as well as some results of calculating the effect of the RF1 system on the beam dynamics.
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-RuPAC2021-WEPSC15
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| About • |
Received ※ 24 September 2021 — Revised ※ 26 September 2021 — Accepted ※ 27 September 2021 — Issued ※ 18 October 2021 |
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