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Dear Marco Zanetti,

The submission of your abstract has been successfully processed.

Abstract submitted: https://indico.cern.ch/event/192695/call-for- abstracts/my-abstracts.

Status of your abstract: https://indico.cern.ch/event/192695/call- for-abstracts/422/.

See below a detailed summary of your submitted abstract:

Conference: Tipp 2014 - Third International Conference on Technology and Instrumentation in Particle Physics

Submitted by: ZANETTI, Marco

Submitted on: 07 March 2014 13:24

Title: Luminosity measurement at CMS

Abstract content The measurement of the luminosity delivered by the LHC is pivotal for several key physics analyses. During the first three years of running, tremendous steps forwards have been made in the comprehension of the subtleties related to luminosity monitoring and calibration, which led to an unprecedented accuracy at a hadron collider. The detectors and corresponding algorithms employed to estimate online and offline the luminosity in CMS are described. Details are given concerning the procedure based on the Van der Meer scan technique that allowed a very precise calibration of the luminometers from the determination of the LHC beams parameters. What is being prepared in terms of detector and online software upgrades for the next LHC run is also summarized.

Summary This contribution report a gran summary of all the aspects related of the luminosity measurement at CMS, several of which are very innovative in terms of methodology and detector/accelerator technology.

Primary Authors: ZANETTI, Marco (Massachusetts Inst. of Technology (US)) marco.zanetti@cern.ch

Co-authors: GROTHE, Monika (University of Wisconsin (US)) monika.grothe@cern.ch MARLOW, Daniel (Princeton University (US)) marlow@princeton.edu

Abstract presenters: ZANETTI, Marco

Track classification: Experiments: 2a) Experiments & Upgrades

Presentation type: Oral

Comments: