The beam-gas method for luminosity measurement at LHCb
arXiv:1005.4398
Abstract
The high resolution of the LHCb vertex detector makes it possible to perform precise measurements of the vertex positions of beam-gas and beam-beam interactions. With these measurements beam parameters such as width and position can be measured. A novel method for determining the absolute luminosity at the LHC using the directly measured beam parameters is presented. The data taken in 2009 is used to illustrate the procedure.
4 pages, 5 figures, presented at the conference "Rencontres de Moriond EW 2010"