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TY - CONF AU - Jowett, J.M. AU - Alemany-Fernández, R. AU - Jebramcik, M.A. AU - Mertens, T. AU - Schaumann, M. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Lifetime of Asymmetric Colliding Beams in the LHC J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - In the 2013 proton-nucleus (p-Pb) run of the LHC, the lifetime of the lead beam was significantly shorter than could be accounted for by luminosity burn-off. These effects were observed at a lower level in 2016 and studied in more detail. The beams were not only asymmetric but the differences in the bunch filling schemes between protons and Pb nuclei led to a wide variety of beam-beam interaction sequences in the bunch trains. The colliding bunches were also of different sizes. We present an analysis of the data and an interpretation in terms of theoretical models. PB - JACoW CP - Geneva, Switzerland SP - 2067 EP - 2070 KW - simulation KW - luminosity KW - proton KW - coupling KW - ion DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-TUPVA013 UR - http://jacow.org/ipac2017/papers/tupva013.pdf ER -