| Paper | Title | Page |
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| TUPVA154 | Project-Based Cooperative Learning in Accelerator Science and Technology Education | 2458 |
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Funding: The work is funded by STFC via the Cockcroft Institute core grant. The next generation of particle accelerators will require the training of greater numbers of specialist accelerator physicists and engineers . These physicists and engineers should have a broad understanding of accelerator physics as well as the technology used in particle accelerators as well as a specialist in some area of accelerator science and technology . Such specialists can be trained by combining a University based PhD, in collaboration with national laboratory training with a broad taught accelerator lecture program. In order to have a faster start we decided to run an intensive two week school to replace the basic course at the Cockcroft Institute. At the same time we decided to investigate the use of problem based learning to simulate the way accelerator science tends to work in practice. In this exercise he students worked in groups of 5 to design a 3rd generation light source from scratch based on photon light specifications. In comparison to similar design exercises we stipulate that all students must do all parts and students are not allowed to specialise. A comparison with a standard lecture based education programme is discussed in this paper. |
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| DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUPVA154 | |
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| THPIK105 | The ZEPTO Dipole: Zero Power Tuneable Optics for CLIC | 4338 |
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| Permanent magnet (PM) based systems create a significantly reduced power consumption compared to conventional room temperature electromagnets. STFC and CERN are investigating the feasibility of using tuneable PM systems to reduce high electricity and water-cooling costs; plus the associated large scale infrastructure burden in the proposed CLIC accelerator. This collaboration has previously resulted in the development of two tuneable PM Quadrupole systems. We present here a continuation of this work in the development of a pure PM C-Dipole with a tuning range of over 50%. A prototype has been simulated and constructed using a single 50x40x20 cm block of NdFeB which slides horizontally to provide tuning. We outline the design, construction and measurement of a prototype dipole and discuss its suitability as a replacement for electromagnetic systems. Issues including field homogeneity over a large tuning range and the management of high magnetic forces are addressed. | ||
| DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-THPIK105 | |
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| THPIK107 | Design and Characterisation of the Focusing Solenoidal System for the CLARA High Repetition Rate Electron Source | 4346 |
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| One of the critical components of electron injectors based on RF photoelectron sources is the focusing system. The system typically consists of a Main Focusing Solenoid and a Bucking Coil. Combination of these two solenoids should provide proper focusing of the beam at the exit of the RF cavity and zero longitudinal magnetic field in the photocathode plane to minimise the beam emittance. Imperfection of the solenoid design, manufacturing and alignment frequently leads to asymmetry of the focusing field which has to be compensated with additional coils. In order to eliminate mechanical and magnetic misalignment the CLARA photoinjector solenoids are mounted on one integrated bench and before installation into the beamline have been aligned in the magnet laboratory with simultaneous measurement of the magnetic field. In order to define multipole field components, dedicated measurements of the transverse magnetic field have been done. The amplitudes of the multipoles have been obtained from analysis of the transverse field map. We present here the results of field characterisation. | ||
| DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-THPIK107 | |
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