LCFI Vertex Package

Abstract

The LCFIVertex software, developed by the Linear Collider Flavour Identification (LCFI) collaboration and providing tools for vertexing, flavour tagging and quark charge determination for low-mass vertex detectors of high point resolution is presented. Particular emphasis is given to code extensions since the first release in April 2007. A recently developed new vertex finder, ZVMST, and its performance at sqrt(s) = 91.2 GeV are described in more detail.