Proceedings of the first LHC Detector AlignmentWorkshop: CERN, Geneva, Switzerland 4 - 6 Sep 2006

The LHC accelerator is expected to deliver first data for the commissioning of the experiments by the end of 2007. At this stage, one of the crucial tasks will be the alignment of the positionsensitive detector elements, like silicon-based detectors close to the interaction point, or drift chambers for the momentum measurement of muons. The task is very similar for all four LHC experiments, ALICE, ATLAS, CMS and LHCb, and a first common LHC Detector Alignment Workshop (http://lhc-detector-alignment-workshop.web.cern.ch) was held at CERN, Geneva, from 4 to 6 September 2006 in order to discuss common problems and possible solutions.