Персона: Ключевская, Юлия Денисовна
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OPTIMAL RF-PHOTOGUN PARAMETERS FOR THE NEW INJECTION LINAC FOR USSR PROJECT
© 27th Russian Particle Accelerator Conference, RuPAC 2021. All rights reserved.The beam dynamics analysis of the RF-gun with photocathode for Russian 4th generation light source Ultimate Source of Synchrotron Radiation (USSR-4) was done to chose the optimal length of the section and cell's number and also to define optimal accelerating gradient and injection phase. The simulation of electrodynamics characteristics and fields distribution in the RF-gun based on 3.5-, 5.5- and 7.5-cell π-mode standing wave accelerating structure at operating frequency 2800 MHz was done. The influence of the beam loading effect on the field amplitude and beam dynamics was the main purposes of study also. The beam dynamics simulation results will present in the report and optimal RF-gun parameters will discuss.
BEAM DYNAMICS SIMULATION IN A LINEAR ELECTRON ACCELERATOR - INJECTOR FOR THE 4TH GENERATION SPECIALIZED SYNCHROTRON RADIATION SOURCE USSR
© 27th Russian Particle Accelerator Conference, RuPAC 2021. All rights reserved.USSR project (Ultimate Source of Synchrotron Radiation, 4th generation synchrotron light source) is being developed in the NRC «Kurchatov Institute». This Light Source will include both storage ring and soft FEL (Free Electron Laser) and one linac with an energyof 6 GeV, which is planned to be used both for beam injection into storage ring (top-up injection) and as a high-brightness bunch driver for FEL. It is suggested to use two front-ends in this linac: RF-gun with thermionic cathode with adiabatic buncher for injection into storage ring and RF-gun with photocathode will use to generate a bunch train for FEL. The purpose of this work was to development a general layout of the top-up linac with the aim of minimize of the beam energy spread and transverse emittance at the exit and analysis the front-to-end beam dynamics in this linear accelerator.
Beam dynamics simulation in a linear accelerator for cern future circular collider
© 2020, Institute for Problems in Mechanical Engineering, Russian Academy of Sciences. All rights reserved.Results of the beam dynamics simulation in a linear accelerator at full energy 1.5 – 2.0 GeV for an international project – CERN Future Circular Collider (FCC-ee) are presented. FCC is developing designs for a higher performance particle collider to extend the research cur-rently being conducted at the Large Hadron Collider, once the latter reaches the end of its lifespan. Beam dynamics simulations done using BEAMDULAC-BL code developed in NRNU MEPhI. This code allows taking into account both the quasistatic and high-frequency self-field components.