Beam scraping for LHC injection Burkhardt, H. ; Arduini, G. ; Fischer, C. ; Gras, J. J. ; Koschik, A. ; Kramer, D. ; Pedersen, S. ; Redaelli, S. Abstract Publication: 22nd Particle Accelerator Conference (PAC 07) Pub Date: 2007 Bibcode: 2007pac..conf.1580B