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Improved beam dynamics through control of magnet fringe fields


Cockcroft Institute

About the Project

Particle accelerators for scientific research, and for medical and industrial applications face ever more demanding requirements for performance capability. Developing appropriate designs for key components, in particular the magnets used to guide and control the particle beams, is crucial for the beam quality and intensity. The goal of this project is to investigate some recent new ideas for matching specific requirements for the beam behaviour to particular features of the magnets in the accelerator. It is hoped that this will lead to improvements in accelerator performance, and should also help to make the accelerator design proceed more quickly and efficiently. Specific applications include the Electron Ion Collider (EIC), which is planned as a major facility for future studies in particle physics, and will be the next large collider after the LHC.

This is an exciting project that brings together world-leading researchers from the UK (including Dr. Muratori, inventor of the technique required to understand fringe fields in accelerator magnets and their effects on particle beams), and our collaborators at BNL and JLab, who are leading the EIC programme. It is also a unique opportunity to work on magnetised particle beams and their applications. Magnetised beams cool the ion beams in the EIC far more effectively than other methods; this will transform the design of future colliders.

A studentship is available to work on this project from October 2021. The student will be based at the Cockcroft Institute (CI) at Daresbury Laboratory, Warrington, UK, and will work closely with researchers at the CI and with researchers at Brookhaven National Laboratory (BNL) and Jefferson Laboratory (JLab) in the US. The project will involve visits to the US laboratories, with the possibility of a long-term attachment at some stage. Research will involve theoretical and computational studies of magnet design and modelling of the impact of various design features on the beam dynamics in a particle accelerator. The student should also gain a practical understanding of accelerators and their various subsystems and components by participating in studies on accelerators already in operation at Daresbury Laboratory. Candidates should have a good understanding of electromagnetic theory, and strong computational skills (including the ability to use standard scientific computing tools, and to develop customised software using an appropriate programming language).

Further information on the EIC can be found at https://www.bnl.gov/eic/.

Information about the Cockcroft Institute can be found at https://www.cockcroft.ac.uk/

You can find out more about being a PhD student at the Cockcroft Institute here, where you can download an application form and also find out about the other PhD projects available at the Cockcroft.

To apply for this project, fill in the application form and email it with your CV to .

Potential applicants are encouraged to contact Prof. Andy Wolski (), Dr Bruno Muratori () or Dr Hywel Owen () for more information. This position will remain open until filled.

Anticipated Start Date: October 2021 for 3.5 Years


Funding Notes

Upon acceptance of a student, this project will be funded by the Science and Technology Facilities Council for 3.5 years; UK and other EU citizens are eligible to apply. A full package of training and support will be provided by the Cockcroft Institute, and the student will take part in a vibrant accelerator research and education community of over 150 people. An IELTS score of at least 6.5 is required.

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