New Fitting Concept in ATLAS muon tracking for the LHC Run-2 William Leight, Pierre-Francois Giraud, Peter Kluit, Jochen Meyer, Edward Moyse and Alan Poppleton EPJ Web Conf., 214 (2019) 06006 Published online: 17 September 2019 DOI: 10.1051/epjconf/201921406006