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TY - CONF AU - Salvachua, B. AU - Bruce, R. AU - Carra, F. AU - Cauchi, M. AU - Holzer, E.B. AU - Höfle, W. AU - Jacquet, D. AU - Lari, L. AU - Mirarchi, D. AU - Nebot Del Busto, E. AU - Redaelli, S. AU - Rossi, A. AU - Sapinski, M. AU - Schmidt, R. AU - Valentino, G. AU - Valuch, D. AU - Wenninger, J. AU - Wollmann, D. AU - Zerlauth, M. ED - Petit-Jean-Genaz, Christine ED - Arduini, Gianluigi ED - Michel, Peter ED - Schaa, Volker RW TI - Handling 1 MW Losses with the LHC Collimation System J2 - Proc. of IPAC2014, Dresden, Germany, June 15-20, 2014 C1 - Dresden, Germany T2 - International Particle Accelerator Conference T3 - 5 LA - english AB - The LHC superconducting magnets in the dispersion suppressor of IR7 are the most exposed to beam losses leaking from the betatron collimation system and represent the main limitation for the halo cleaning. In 2013, quench tests were performed at 4 TeV to improve the quench limit estimates, which determine the maximum allowed beam loss rate for a given collimation cleaning. The main goal of the collimation quench test was to try to quench the magnets by increasing losses at the collimators. Losses of up to 1 MW over a few seconds were generated by blowing up the beam, achieving total losses of about 5.8 MJ. These controlled losses exceeded by a factor 2 the collimation design value, and the magnets did not quench. PB - JACoW CP - Geneva, Switzerland SP - 174 EP - 177 KW - collimation KW - simulation KW - beam-losses KW - betatron KW - proton DA - 2014/07 PY - 2014 SN - 978-3-95450-132-8 DO - 10.18429/JACoW-IPAC2014-MOPRO043 UR - http://jacow.org/ipac2014/papers/mopro043.pdf ER -