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Requirements and Design Criteria for the LHC Collimation System

Requirements and Design Criteria for the LHC Collimation System

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5$ (3$&<br />

Improving our confidence in predictions<br />

Two scattering routines used: K2 <strong>and</strong> STRUCT<br />

Tracking programs: Linear transfer matrices<br />

DIMAD<br />

SIXTRACK<br />

Effects being considered: Scattering physics<br />

Chromatic effects<br />

Non-linear fields (diffusion)<br />

preliminary<br />

M. Hayes et al, WEPLE044<br />

F. Zimmermann et al, WEPLE048<br />

R. Assmann et al, MOPLE030<br />

Same order of magnitude results<br />

Factor 5 disagreement to be<br />

understood.<br />

<strong>System</strong> requires detailed underst<strong>and</strong>ing<br />

of 7 TeV proton interaction in matter.

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