BASROCCONFORM Open Day

1
Welcome!

• BASROC/CONFORM Open Day
• Daresbury May 11th 2009
• Roger Barlow, Manchester University and the
  Cockcroft Institute

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BASROC

• British Accelerator Science Radiation and
  Oncology Consortium
• Aim hadron therapy with nsFFAG
• Physicists, engineers,clinicians from
  universities, hospitals, labs
• http//www.basroc.org.uk

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CONFORM

• Construction 0f a nsFFAG for Oncology, Research
  and Medicine
• Project funded by RC-UK Basic Technology
  programme
• Build prototype nsFFAG EMMA
• Design a nsFFAG hadron therapy machine - PAMELA
• Investigate other applications
• Now at halfway stage

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What is an nsFFAG Accelerator?

• Circular accelerator
• Particles gain energy
• Harder to bend
• Increase field in time or space
• before after
• low E high E

Synchrotron FFAG Fixed Field
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What is an nsFFAG?

• Gradient in field focusses beam
• Alternate focussing and defocussing gradient
  gives stability

This is a standard technique.
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What is an nsFFAG?

• Particles gain energy harder to bend
• Increase focussing and bending field in step
  constant optics
• This is Scaling.
• Easy for synchrotron
• Restrictive for FFAG requires low field
  gradients, large apertures.
• Drop the requirement let the optics change
  the non scaling FFAG
• Works on paper need to demonstrate.
• EMMA worlds first nsFFAG

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What this gives

• Accelerator capable of
• Relativistic energies
• Fast acceleration
• High currents (mA)
• Simple DC magnets
• High reliability (in principle)
• Reasonably compact and low cost
• Lots of potential uses!
• Opportunities for manufacture