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Title: High energy beam impact tests on a LHC tertiary collimator at CERN HiRadMat facility
Authors: Cauchi, Marija
Aberle, Oliver
Wolfgang Assmann, Ralph
Bertarelli, Alessandro
Carra, Federico
Dallocchio, Alessandro
Deboy, Daniel
Redaelli, Stefano
Lari, Luisella
Sammut, Nicholas
Mollicone, Pierluigi
Rossi, Adriana
Keywords: Large Hadron Collider (France and Switzerland)
Collimators (Optical instrument)
Beam optics
Issue Date: 2013
Publisher: JACoW
Citation: Cauchi, M., Aberle, O., Wolfgang Assmann, R., Bertarelli, A., Carra, F., Dallocchio, A.,…Rossi, A. (2013). High energy beam impact tests on a LHC tertiary collimator at CERN HiRadMat facility. 4th International Particle Accelerator Conference, Shanghai. 954-956.
Abstract: The correct functioning of the collimation system is crucial to safely operate the LHC. The requirements to handle high intensity beams can be demanding. In this respect, investigating the consequences of LHC particle beams hitting tertiary collimators (TCTs) in the experimental regions is a fundamental issue for machine protection. An experimental test was designed to investigate the robustness and effects of beam accidents on a fully assembled collimator, based on accident scenarios in the LHC. This experiment, carried out at the CERN HiRadMat (High Irradiation to Materials) facility, involved 440 GeV beam impacts of different intensities on the jaws of a horizontal TCT. This paper presents the experimental setup and the preliminary results obtained together with some first outcomes from visual inspection.
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