12-18 June 2016
Lund University
Europe/Zurich timezone

ATLAS Trigger and Data Acquisition Upgrades for High Luminosity LHC

Not scheduled
Lund University

Lund University

Sandgatan 2, Lund, Sweden
Poster LHC experiments: performance and potential Poster Session


Benjamin William Allen (University of Oregon (US))


The ATLAS experiment at the LHC is planning a second phase of upgrades to prepare for the "High
Luminosity LHC", a 4th major run due to start in 2026. In order to deliver an order of magnitude more data than
previous runs, 14 TeV protons will collide with an instantaneous luminosity of 7.5 × 1034 cm−2s−1, resulting
in much higher pileup and data rates than the current experiment was designed to handle. While this extreme
scenario is essential to realise the physics programme, it is a huge challenge for the detector, trigger, data
acquisition and computing. The detector upgrades themselves also present new requirements and opportunities for
the trigger and data acquisition system. Initial upgrade designs for the trigger and data acquisition system
are shown, including the real time low latency hardware trigger, hardware-based tracking, the high throughput
data acquisition system and the commodity hardware and software-based data handling and event filtering. The
motivation, overall architecture and expected performance are explained. Some details of the key components are
given. Open issues and plans are discussed.

Primary author

Benjamin William Allen (University of Oregon (US))

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