Speaker
Description
Due to the increase in stored beam energy to almost 700 MJ in the High-
Luminosity LHC, the safe handling of any beam losses by the collimation system
is crucial. The cleaning performance of the collimation system could be negatively
impacted by imperfections and errors in machine elements. Errors in collimator jaw
positions and angles as well as imperfections of the machine aperture can degrade
the cleaning performance and result in increased losses at tertiary collimators, with
potential impact on experimental backgrounds. In addition, fast failure scenarios,
such as asynchronous beam dumps, could cause large single-turn losses, posing a po-
tential threat to non-robust tungsten-based collimators such as TCLAs and TCTs
as well as other machine elements. In this paper, simulations with Xsuite were per-
formed to assess performance of the collimation system, comparing results in the
ideal machine scenario with scenarios including imperfections, and predicting the
resulting beam losses around the ring due to an asynchronous beam dump.
| In which format do you inted to submit your paper? | LaTeX |
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