General information
Organisation
The French Alternative Energies and Atomic Energy Commission (CEA) is a key player in research, development and innovation in four main areas :
• defence and security,
• nuclear energy (fission and fusion),
• technological research for industry,
• fundamental research in the physical sciences and life sciences.
Drawing on its widely acknowledged expertise, and thanks to its 16000 technicians, engineers, researchers and staff, the CEA actively participates in collaborative projects with a large number of academic and industrial partners.
The CEA is established in ten centers spread throughout France
Reference
SL-DRF-24-0417
Direction
DRF
Thesis topic details
Category
Corpuscular physics and outer space
Thesis topics
Heavy ions beam dynamics in the SPIRAL2 linac and in the S3 separator
Contract
Thèse
Job description
The SPIRAL2 linear accelerator is optimized for light ions (protons, deuterons), but it will also deliver heavier ions (O, Ne, Ar,…Ni) for the S3 spectrometer. The first objective of the PhD, is to propose and study the methods allowing to tune a heavy ion beam in 26 independent accelerating RF cavities in a fast and reproducible way up.
The S3 electromagnetic separator will use the beams from the linac to create and purify radioactive ions with a high efficiency. The complexity of its superconducting magnets requires an optimization of many parameters. Thanks to numerous hexapolar and octupolar corrections, we will be able to reduce the beam optical aberrations. The commissioning of the separator will require numerous measurements with beams and the development of an algorithm to optimize the optics for the 2 different operating modes. The second objective is to provide the simulations tools to nuclear physicists allowing them to prepare their experiments on S3 and to adjust the parameters of the spectrometers during the experiments.
The thesis work will be based on beam dynamics simulations and experimental measurements with beams.
University / doctoral school
Physique, Sciences de l’Ingénieur, Matériaux, Énergie (PSIME)
Caen
Thesis topic location
Site
Saclay
Requester
Position start date
01/10/2024
Person to be contacted by the applicant
JACQUOT Bertrand bertrand.jacquot@ganil.fr
CNRS
DRF/IRFU/GANIL
GANIL
Boulevard Henri Becquerel
14076 Caen cedex 5
023145 46.40
Tutor / Responsible thesis director
FARGET Fanny farget@ganil.fr
CNRS
GANIL
GANIL
Boulevard H Becquerel
14076 Caen cedex
0231454857
En savoir plus
https://www.ganil-spiral2.eu/wp-content/uploads/2023/10/LIHIO-thesis2024.pdf