1. Introduction to the Non-Scaling Electron Model
Rob Edgecock CCLRC Rutherford Appleton Laboratory
For the EMMA Collaboration
Motivation
Basic EMMA parameters
Location
Collaboration
Introduction to next two talks

2. Motivation Much interest in non-scaling FFAGs over last 1-2yrs
EMMA
Motivation
0.18 GeV H ‾ Achromat
0.18 GeV H ‾ Linac
10 GeV, 50 Hz, N = 5, FFAG
with protons per bunch
3 GeV, 50 Hz, h = 5, RCS
(1 at 50 Hz, or 2 at 25 Hz)
Much interest in non-scaling FFAGs over last 1-2yrs
For example:
- baseline accelerator in Study 2a
- proton drivers
1.5-GeV Booster
400-MeV DTL
28-GeV AGS
HI Tandem
- proton and carbon therapy
Non-scaling FFAGs have three unique features: - huge/tiny momentum compaction - asynchronous acceleration - multi-resonance crossings
Incomplete understanding hampering further designs
Must build one!  EMMA!

3. EMMA Scaled version of muon accelerator
Flexible enough to learn about proton, carbon
Parameters: electrons to 20 MeV cells, doublet lattice cm cell length ~16m circumference RF every other cell GHz, TESLA frequency - magnets ~ 5cm x 2.5cm
More details in next two talks!

4. Need somewhere with flexible injector:
EMMA
Location
Need somewhere with flexible injector:
- variable energy - variable bunch structure - ~1.3GHz
Experimental hall
Infrastructure
EMMA

5. Collaboration Proposal for part funding to FP6 NEST
EMMA
Collaboration
Proposal for part funding to FP6 NEST
Collaboration of 14 institutes signed: - CCLRC - CEA Saclay - CERN - Grenoble - Koc - Lancaster (Cockcroft) - Leeds - Liverpool (Cockcroft) - Rostock - Uppsala - BNL - FNAL - Kyoto - TRIUMF
Other UK PP interested: Adams, Brunel
Industry: IBA, HP Faraday/e2v, SigmaPhi
Medical: MRC, Ion Beams Network, Grenoble, Leeds
PPARC Industrial Liaison, CCLRC “spinning-out”

6. EMMA
Conclusions
Considerable recent activity on non-scaling FFAGs: - Neutrino Factory Proton drivers Medical applications
Others possible
Scaling + non-scaling FFAGs  paradigm shift in accel. technology
Further non-scaling development needs EMMA
Collaboration formed, location found; funding next
Next two talks: Eberhard – beam dynamics, lattice, performance Carol – status of hardware development