Software Performance of the ATLAS Track Reconstruction for LHC Run 3
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F24%3A73628689" target="_blank" >RIV/61989592:15310/24:73628689 - isvavai.cz</a>
Result on the web
<a href="https://link.springer.com/article/10.1007/s41781-023-00111-y" target="_blank" >https://link.springer.com/article/10.1007/s41781-023-00111-y</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s41781-023-00111-y" target="_blank" >10.1007/s41781-023-00111-y</a>
Alternative languages
Result language
angličtina
Original language name
Software Performance of the ATLAS Track Reconstruction for LHC Run 3
Original language description
Charged particle reconstruction in the presence of many simultaneous proton–proton (pp) collisions in the LHC is a challenging task for the ATLAS experiment’s reconstruction software due to the combinatorial complexity. This paper describes the major changes made to adapt the software to reconstruct high-activity collisions with an average of 50 or more simultaneous pp interactions per bunch crossing (pile-up) promptly using the available computing resources. The performance of the key components of the track reconstruction chain and its dependence on pile-up are evaluated, and the improvement achieved compared to the previous software version is quantified. For events with an average of 60pp collisions per bunch crossing, the updated track reconstruction is twice as fast as the previous version, without significant reduction in reconstruction efficiency and while reducing the rate of combinatorial fake tracks by more than a factor two.
Czech name
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Czech description
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Classification
Type
J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database
CEP classification
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OECD FORD branch
10303 - Particles and field physics
Result continuities
Project
<a href="/en/project/LM2023040" target="_blank" >LM2023040: Research infrastructure for experiments at CERN</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Computing and Software for Big Science
ISSN
2510-2044
e-ISSN
2510-2044
Volume of the periodical
8
Issue of the periodical within the volume
1
Country of publishing house
CH - SWITZERLAND
Number of pages
32
Pages from-to
"9-1"-"9-32"
UT code for WoS article
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EID of the result in the Scopus database
2-s2.0-85189516943