S
S. R. Lawrie
Researcher at Rutherford Appleton Laboratory
Publications - 30
Citations - 238
S. R. Lawrie is an academic researcher from Rutherford Appleton Laboratory. The author has contributed to research in topics: Ion source & Particle accelerator. The author has an hindex of 6, co-authored 24 publications receiving 187 citations.
Papers
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Journal ArticleDOI
An overview of negative hydrogen ion sources for accelerators
Dan Faircloth,S. R. Lawrie +1 more
TL;DR: An overview of high current (>1 mA) negative hydrogen ion (H−) sources that are currently used on particle accelerators is given in this paper, where the current understanding of how H− ions are produced is summarized.
Status of the ral front end test stand
Alan Letchford,M.A. Clarke-Gayther,D. C. Faircloth,S. R. Lawrie,M. Perkins,P. Wise,A. Kurup,S. Alsari,Simon Jolly,D. A. Lee,P. Savage,Jürgen Pozimski,C. Gabor,C. Plostinar,J. J. Back,F. J. Bermejo,R. Enparantza,I. Ariz,P. Romano,A. Sedano,Victor Etxebarria,H. Hassanzadegan,N. Garmendia,M. Eguiraun +23 more
TL;DR: The Front End Test Stand (FETS) under construction at RAL is a demonstrator for front end systems of a future high power proton linac. as mentioned in this paper describes the current status of the project and future plans.
Journal ArticleDOI
Optimizing the front end test stand high performance H− ion source at RALa)
TL;DR: A new high power pulsed discharge power supply with greater reliability has been developed to allow long term, stable operation at 50 Hz with a 60 A, 2.2 ms discharge pulse and up to 100 A at 1.2ms.
Journal ArticleDOI
The front end test stand high performance H- ion source at Rutherford Appleton Laboratory.
Dan Faircloth,S. R. Lawrie,Alan Letchford,C. Gabor,P. Wise,Mark Whitehead,T. Wood,M. Westall,D.J.S. Findlay,M. Perkins,P. Savage,D. A. Lee,Jürgen Pozimski +12 more
TL;DR: The design and initial performance of the ion source and the laser profile measurement system are detailed and Beam current, profile, and emittance measurements are shown for different operating conditions.
Journal ArticleDOI
Plasma meniscus and extraction electrode studies of the ISIS H- ion source.
TL;DR: The experimental and simulation studies performed of the plasma meniscus and the possible electrode geometry modifications needed to extract the highest quality beam are detailed.