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Title: First beam results for a collimator with in-jaw beam position monitors
Authors: Wollmann, Daniel
Aberle, Oliver
Assmann, Ralph W.
Bertarelli, Alessandro
Boccard, Christian
Bruce, Roderik
Burkart, Florian
Cauchi, M.
Dallocchio, Alessandro
Deboy, Daniel
Gasior, Marek
Jones, Rhodri
Redaelli, Stefano
Rossi, Adriana
Valentino, Gianluca
Keywords: Colliders (Nuclear physics)
Nuclear physics
Large Hadron Collider (France and Switzerland)
Issue Date: 2011
Publisher: JACoW
Citation: Wollmann, D., Jones, R., Aberle, O., Boccard, C., Deboy, D., Gasior, M., ... & Valentino, G. (2011). First beam results for a collimator with in-jaw beam position monitors. Second International Particle Accelerator Conference, San Sebastian. 3747-3749.
Abstract: With more than 100 collimators the LHC has the most complex collimation system ever installed in an accelerator. The beam-based setup time of the system was a non-negligible factor during the commissioning of the LHC. In addition if the particle orbit at a collimator goes out of tolerance, this collimator needs to be setup again. To reduce the required setup time for the collimation system and to obtain the tight tolerances required for the LHC operation with small beta* and high beam energy, a new collimator design is being developed that integrates a beam position monitor (BPM) into the jaws of the collimator. A prototype of such a phase-II LHC collimator was installed in the SPS at CERN for the 2010 run. In this paper we present the first experimental results from the beam tests performed.
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