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Purpose <p>Linear accelerator of the injector of the synchrotron radiation facility SKIF (SRF SKIF) was assembled in Koltsovo in the end 2024. It is the beginning part of the accelerator complex where the electron beam is formed. After the acceleration up to the energy of 200 MeV the beam is transported to the booster synchrotron.</p> Methods <p>The linear accelerator (linac) consists of the electron source based on the radiofrequency (RF) gun, the bunching channel with the bunching preaccelerator and five regular accelerating structures. Three 50 MW klystrons with the operating frequency of 2856 MHz feed the accelerating structures. Two of the klystrons were developed and manufactured at the Budker Institute of Nuclear Physics of Siberian Branch of Russian Academy of Sciences (BINP SB RAS) in house, while the remaining one was purchased.</p> Results <p>During the linac operation, maximum values of the RF power in waveguides were achieved. The transverse dynamics of the bunched electron beam was tuned in a single-bunch mode. Using the mechanical waveguide phase shifters, the accelerating field phases were chosen, which provided the required beam energy.</p> Conclusion <p>Achieved parameters of the linac beam allowed us to proceed to the work with the linac–booster transport channel and the booster synchrotron itself. The article describes the linac launching process together with its current operation status and the achieved beam parameters.</p>

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Commissioning of the linear accelerator of the SRF SKIF injector

  • 期刊论文

  • 发表日期：

    2026年5月19日

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  • Danila Nikiforov,
  • A. E. Levichev,
  • Vyacheslav Fedorov,
  • Stanislav Reva,
  • S. V. Sinyatkin,
  • N. Abed,
  • Kirill Smirnov,
  • M. V. Arsentyeva,
  • Alexey Barnyakov,
  • Alexander Batrakov,
  • Dmitry Chekmenev,
  • Viktor Dorokhov,
  • Lev Fomin,
  • Alexey Kondakov,
  • Oleg Meshkov,
  • Anton Pavlenko,
  • Oleg Pavlov,
  • Ilya Pivovarov,
  • Sergey Samoilov,
  • Alexey Semenov,
  • Kristina Sibiryakova,
  • Anastasia Sudnik,
  • Alexander Tur,
  • Ilya Vizitiu,
  • Vladimir Volkov

摘要

Purpose

Linear accelerator of the injector of the synchrotron radiation facility SKIF (SRF SKIF) was assembled in Koltsovo in the end 2024. It is the beginning part of the accelerator complex where the electron beam is formed. After the acceleration up to the energy of 200 MeV the beam is transported to the booster synchrotron.

Methods

The linear accelerator (linac) consists of the electron source based on the radiofrequency (RF) gun, the bunching channel with the bunching preaccelerator and five regular accelerating structures. Three 50 MW klystrons with the operating frequency of 2856 MHz feed the accelerating structures. Two of the klystrons were developed and manufactured at the Budker Institute of Nuclear Physics of Siberian Branch of Russian Academy of Sciences (BINP SB RAS) in house, while the remaining one was purchased.

Results

During the linac operation, maximum values of the RF power in waveguides were achieved. The transverse dynamics of the bunched electron beam was tuned in a single-bunch mode. Using the mechanical waveguide phase shifters, the accelerating field phases were chosen, which provided the required beam energy.

Conclusion

Achieved parameters of the linac beam allowed us to proceed to the work with the linac–booster transport channel and the booster synchrotron itself. The article describes the linac launching process together with its current operation status and the achieved beam parameters.