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TY - CONF AU - Fitterer, M. AU - Bruce, R. AU - Papadopoulou, S. AU - Papotti, G. AU - Pellegrini, D. AU - Redaelli, S. AU - Stancari, G. AU - Valishev, A. AU - Valuch, D. AU - Wagner, J.F. ED - Schaa, Volker RW ED - Power, Maria ED - Shiltsev, Vladimir ED - White, Marion TI - Hollow Electron Beam Collimation for HL-LHC - Effect on the Beam Core J2 - Proc. of NAPAC2016, Chicago, IL, USA, October 9-14, 2016 C1 - Chicago, IL, USA T2 - North American Particle Accelerator Conference T3 - 3 LA - english AB - Collimation with hollow electron beams or lenses (HEL) is currently one of the most promising concepts for active halo control in HL-LHC. In previous studies it has been shown that the halo can be efficiently removed with a hollow electron lens. Equally important as an efficient removal of the halo, is also to demonstrate that the core stays unperturbed. In this paper, we present a summary of the experiment at the LHC and simulations in view of the effect of the HEL on the beam core in case of a pulsed operation. PB - JACoW CP - Geneva, Switzerland SP - 651 EP - 654 KW - ion KW - simulation KW - experiment KW - emittance KW - electron DA - 2017/01 PY - 2017 SN - 978-3-95450-180-9 DO - 10.18429/JACoW-NAPAC2016-WEA1CO04 UR - https://jacow.org/napac2016/papers/wea1co04.pdf ER -