Abstract
These proceedings give a summary of the many software upgrade projects undertaken to prepare ATLAS for the challenges of Run-2 of the LHC. Those projects include a significant reduction of the CPU time required for reconstruction of real data with high average pile-up event rates compared to 2012. This is required to meet the challenges of the expected increase in pileup and the higher data taking rate of up to 1 kHz. By far the most ambitious project is the implementation of a completely new analysis model, based on a new ROOT readable reconstruction format, xAOD. The new model also includes a reduction framework based on a train model to centrally produce skimmed data samples and an analysis framework. These proceedings close with a brief overview of future software projects and plans that will lead up to the coming Long Shutdown 2 as the next major ATLAS software upgrade phase.
Highlights
The Large Hadron Collider (LHC) is a pp collider at the European Organization for Nuclear Research, CERN, in Geneva, Switzerland
The LHC will increase the center of mass energy at which it will operate during Run-2 to about 13 TeV
The tracking system was complemented by a fourth layer of the pixel detector, the insertable b-layer (IBL), closer to the beam pipe
Summary
This content has been downloaded from IOPscience. Please scroll down to see the full text. Ser. 664 072044 (http://iopscience.iop.org/1742-6596/664/7/072044) View the table of contents for this issue, or go to the journal homepage for more. Download details: IP Address: 137.138.124.206 This content was downloaded on 24/02/2016 at 12:59 Please note that terms and conditions apply. 21st International Conference on Computing in High Energy and Nuclear Physics (CHEP2015) IOP Publishing. Journal of Physics: Conference Series 664 (2015) 072044 doi:10.1088/1742-6596/664/7/072044
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