William Shields

ORCID: 0000-0002-4825-0303
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About
Contact & Profiles
Research Areas
  • Radiation Therapy and Dosimetry
  • Particle Detector Development and Performance
  • Particle Accelerators and Free-Electron Lasers
  • Particle accelerators and beam dynamics
  • Explainable Artificial Intelligence (XAI)
  • Laser-Plasma Interactions and Diagnostics
  • Autopsy Techniques and Outcomes
  • Nuclear Physics and Applications
  • Artificial Intelligence in Healthcare and Education
  • Particle physics theoretical and experimental studies
  • Graphite, nuclear technology, radiation studies
  • Advanced Radiotherapy Techniques
  • Radiation Detection and Scintillator Technologies
  • Superconducting Materials and Applications
  • Radiation Effects in Electronics
  • Ocular Oncology and Treatments
  • Planetary Science and Exploration
  • Diamond and Carbon-based Materials Research
  • Pulsed Power Technology Applications
  • Patient Safety and Medication Errors
  • Space Satellite Systems and Control
  • Advances in Oncology and Radiotherapy
  • Congenital Anomalies and Fetal Surgery
  • Breastfeeding Practices and Influences
  • Industrial Vision Systems and Defect Detection

Royal Holloway University of London
2012-2024

American College of Radiology
2006-2019

Society for Neuroscience
2003

This is a condensed summary of an international multisociety statement on ethics artificial intelligence (AI) in radiology produced by the ACR, European Society Radiology, RSNA, for Imaging Informatics Medicine, Medical Informatics, Canadian Association Radiologists, and American Physicists Medicine. AI has great potential to increase efficiency accuracy throughout radiology, but it also carries inherent pitfalls biases. Widespread use AI-based intelligent autonomous systems can risk...

10.1148/radiol.2019191586 article EN cc-by-nc-nd Radiology 2019-10-01

This is a condensed summary of an international multisociety statement on ethics artificial intelligence (AI) in radiology produced by the ACR, European Society Radiology, RSNA, for Imaging Informatics Medicine, Medical Informatics, Canadian Association Radiologists, and American Physicists Medicine.AI has great potential to increase efficiency accuracy throughout radiology, but also carries inherent pitfalls biases. Widespread use AI-based intelligent autonomous systems can risk systemic...

10.1186/s13244-019-0785-8 article EN cc-by Insights into Imaging 2019-10-01

Beam Delivery Simulation (BDSIM) is a program that simulates the passage of particles in particle accelerator. It uses suite standard high energy physics codes (Geant4, ROOT and CLHEP) to create computational model accelerator combines accurate tracking routines with all processes Geant4. This unique combination permits radiation detector background simulations accelerators where both required over long range or many revolutions circular machine, as well interaction material

10.1016/j.cpc.2020.107200 article EN cc-by Computer Physics Communications 2020-02-05

The `Laser-hybrid Accelerator for Radiobiological Applications', LhARA, is conceived as a novel, flexible facility dedicated to the study of radiobiology. technologies demonstrated in which have wide application, will be developed allow particle-beam therapy delivered new regimen, combining variety ion species single treatment fraction and exploiting ultra-high dose rates. LhARA hybrid accelerator system laser interactions drive creation large flux protons or light ions that are captured...

10.3389/fphy.2020.567738 article EN cc-by Frontiers in Physics 2020-09-29

This is a condensed summary of an international multisociety statement on ethics artificial intelligence (AI) in radiology produced by the ACR, European Society Radiology, RSNA, for Imaging Informatics Medicine, Medical Informatics, Canadian Association Radiologists, and American Physicists Medicine. AI has great potential to increase efficiency accuracy throughout radiology, but it also carries inherent pitfalls biases. Widespread use AI-based intelligent autonomous systems can risk...

10.1016/j.carj.2019.08.010 article EN Canadian Association of Radiologists Journal 2019-10-01

Purpose A new type of linear accelerator (linac) was recently introduced into the market by a major manufacturer. Our institution is one early users this preassembled and preconfigured dual‐layer multileaf collimator ( MLC ), ring‐gantry linac — Halcyon™ (1st version). We performed set full acceptance testing commissioning ATC ) measurements for three Halcyon machines compared measured data with standard beam model provided The were following guidelines given in different AAPM protocols as...

10.1002/mp.13378 article EN Medical Physics 2019-01-09

Abstract Due to the advancement of proton therapy for cancer treatment, there has been a worldwide increase in construction treatment facilities. Therapy centres are often coupled with clinical, biological or material-science research programs. Research activities require beams at energies spanning an extensive range higher beam currents and longer irradiation times than clinical conditions. Additionally, next-generation systems evolving towards more compact designs. In addition increased...

10.1140/epjp/s13360-022-02960-9 article EN cc-by The European Physical Journal Plus 2022-08-01

Abstract Hadron therapy installations are evolving towards more compact systems that require higher-quality beams for advanced treatment modalities such as proton flash and arc therapy. Therefore the accurate modelling of present next-generation poses new challenges where simulations both magnetic beam transport particle-matter interactions. We a novel approach to building delivery at level suitable clinical applications while seamlessly providing computation quantities relevant dose...

10.1209/0295-5075/132/50004 article EN cc-by EPL (Europhysics Letters) 2020-12-01

Diamond Light source is a third generation synchrotron facility dedicated to producing radiation of outstanding brightness, ranging from infra-red x-rays. The short electron bunches that are accelerated around the storage ring susceptible phenomenon microbunching instabilities when bunch charge exceeds threshold. primary feature microbunch onset bursts in THz range. high frequencies involved emissions make detection and analysis challenging. A 60-90 GHz Schottky Barrier Diode detector was...

10.1088/1742-6596/357/1/012037 article EN Journal of Physics Conference Series 2012-05-03

10.18429/jacow-ipac2016-wepoy046 article EN 7th International Particle Accelerator Conference (IPAC'16), Busan, Korea, May 8-13, 2016 2016-06-01

Abstract SHADOWS [1, 2] is an intended future beam dump experiment in the CERN North Area, aiming to search for feebly interacting particles (FIPs) [3] created 400 GeV/c proton interactions. Due its proposed off-axis location alongside K12 beamline [4], detector can be placed potentially very close dump, enabling it FIPs unexplored parts of parameter space. In order guarantee good quality a potential signal, crucial reduce any backgrounds Standard Model as much possible. The dominant...

10.1088/1742-6596/2687/2/022030 article EN Journal of Physics Conference Series 2024-01-01

The treatment protocols of cancerous ocular diseases with proton therapy are well established, and dedicated eye-treatment systems can produce the clinical beam properties that meet peculiar features required by modalities. However, for general-purpose multiroom comprising beamlines nozzles, design commissioning procedures must be optimized to achieve performances fully in terms depth-dose distal falloff, lateral penumbra, dose rate. This paper presents a realistic start-to-end transport...

10.1103/physrevresearch.4.013114 article EN cc-by Physical Review Research 2022-02-11

The `Laser-hybrid Accelerator for Radiobiological Applications', LhARA, is conceived as a novel, uniquely-flexible facility dedicated to the study of radiobiology. technologies demonstrated in which have wide application, will be developed allow particle-beam therapy delivered completely new regime, combining variety ion species single treatment fraction and exploiting ultra-high dose rates. LhARA hybrid accelerator system laser interactions drive creation large flux protons or light ions...

10.48550/arxiv.2006.00493 preprint EN other-oa arXiv (Cornell University) 2020-01-01

A detailed model of the IBA Proteus One compact gantry system has been created with BDSIM (Beam Delivery Simulation) that validated against experimental data. Results regarding activation studies have obtained for first time using seamless simulations transport protons in beamline and their interactions environment. The concrete shielding is estimated after a period 20 years operation. These main results are presented discussed detail.

10.18429/jacow-ipac2019-thpts031 article EN 10th Int. Particle Accelerator Conf. (IPAC'19), Melbourne, Australia, 19-24 May 2019 2019-06-01

10.18429/jacow-ipac2014-thpme183 article EN 5th Int. Particle Accelerator Conf. (IPAC'14), Dresden, Germany, June 15-20, 2014 2014-07-01
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