| Paper |
Title |
Page |
| MOPLS077 |
The 2mrad Crossing Angle Interaction Region and Extraction Line
|
730 |
| |
- R. Appleby
UMAN, Manchester
- D.A.-K. Angal-Kalinin
CCLRC/DL/ASTeC, Daresbury, Warrington, Cheshire
- P. Bambade, O. Dadoun
LAL, Orsay
- J. Carter
Royal Holloway, University of London, Surrey
- L. Keller, K. C. Moffeit, Y. Nosochkov, A. Seryi, C.M. Spencer
SLAC, Menlo Park, California
- O. Napoly
CEA, Gif-sur-Yvette
- B. Parker
BNL, Upton, Long Island, New York
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A complete optics design for the 2mrad crossing angle interaction region and extraction line was presented at Snowmass 2005. Since this time, the design task force has been working on developing and improving the performance of the extraction line. The work has focused on optimising the final doublet parameters and on reducing the power losses resulting from the disrupted beam transport. In this paper, the most recent status of the 2mrad layout and the corresponding performance are presented.
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| WEPCH180 |
A Dramatically Reduced Size in the Gantry design for the Proton-Carbon Therapy
|
2352 |
| |
- D. Trbojevic, R.C. Gupta, B. Parker
BNL, Upton, Long Island, New York
- E. Keil
CERN, Geneva
- A. Sessler
LBNL, Berkeley, California
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Gantries in the proton/carbon cancer therapy machines represent the major cost and are usually very large. This report explains a new way for the gantry design. The size and cost of the gantries are reduced, and their use is simplified by using the fixed magnetic field. The "new" gantry is made of a very large momentum acceptance non-scaling Fixed Field Alternating Gradient (FFAG) quarter and half arc beam lines. The gantry is made of combined function magnets with a very strong focusing and small dispersion function. Additional magnets with a fast response are required to allow adjustments of the beam position for different energies at the beginning of the gantry. The strong focusing magnets following the gantry have to be adjustable as well to provide the required spot size. The adjustable dipoles provide the radial scanning. The fixed field combined function magnets could be made of small permanent magnets for the proton machine, or of the high temperature superconductors or superconductors for the carbon machine, reducing dramatically the size.
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