Post-doctoral position in the Radio Frequency group

Context & Job description

In the context of the collaboration contract CREMLIN plus (Connecting Russian and European measures for Large-scale Research Infrastructures), a European-Russian scientific and technical collaboration, you will join the Radio Frequency group to work on the development of an harmonic RF system for bunch lengthening, needed in fourth generation light sources to maximize the beam lifetime. As part of this collaboration, you will apply the findings to the planned USSR ring, a 1.3 km Russian diffraction limited storage ring based on the ESRF-EBS lattice design.

Your mission will be the following:

  • Perform beam dynamics simulations to study the longitudinal stability of electron beams at high current with an harmonic RF system
  • Compare the performance of normal versus superconducting harmonic cavities, for both passive and active operation
  • Simulate the effect of fast digital RF feedback systems in view of suppressing longitudinal beam instabilities
  • Participate in measurements on existing machines operating an harmonic RF system, in order to validate the simulations
  • Apply the findings to specify an harmonic RF system for the ESRF EBS machine and the future USSR storage ring

Expected profile

  • PhD in Physics, RF engineering or related discipline obtained less than 3 years ago
  • A strong background in accelerator physics, in particular longitudinal beams physics and the interaction with radio frequency systems for high beam loading, as well as knowledge of particle tracking codes are expected
  • Practical experience on a running machine and the radio frequency system is desired
  • Good programming skills (Python, Matlab, Igor, C++) would be an important asset
  • Team work capability and good communication skills are essential
  • Proficiency in English (working language at the ESRF)

Working conditions

We offer a comprehensive benefits package designed to support your quality of life and your installation in the Grenoble area when relocation is needed.

The monthly salary may be complemented by additional allowances upon eligibility (expatriation allowance, etc...).

Company description

The European Synchrotron, the ESRF, is an international research centre based in Grenoble, France.

Through its innovative engineering, pioneering scientific vision and a strong commitment from its 700 staff members, the ESRF is recognised as one of the top research facilities worldwide. Its particle accelerator produces intense X-ray beams that are used by thousands of scientists each year for experiments in diverse fields such as biology, medicine, environmental sciences, cultural heritage, materials science, and physics.

Supported by 22 countries, the ESRF is an equal opportunity employer and encourages diversity.

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