Optics of a Two-stage Collimation System
Oct, 199813 pages
Published in:
- Phys.Rev.ST Accel.Beams 1 (1998) 081001
Report number:
- CERN-LHC-PROJECT-REPORT-243
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Abstract: (APS)
We derive the exact specification that a two-stage betatronic collimation insertion must satisfy to cut the halo of a proton beam down to its ultimate limit which is the aperture of the secondary collimators. Our result is a set of correlated phase advances between primary and secondary collimators. We then determine the number of jaws needed to reach a given level of performance. We also specify the optic of a momentum collimation insertion.- p p: storage ring
- beam: absorption
- beam: background
- betatron oscillation
- beam optics: dispersion
- beam optics: beta function
- scattering: Coulomb
- CERN LHC Coll
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