Performance of the missing transverse momentum triggers for the ATLAS detector during Run-2 data taking

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F20%3A00534316" target="_blank" >RIV/68378271:_____/20:00534316 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68407700:21220/20:00346700 RIV/68407700:21340/20:00346700 RIV/68407700:21670/20:00346700 RIV/00216208:11320/20:10423590 RIV/61989592:15310/20:73602353

Výsledek na webu

<a href="http://hdl.handle.net/11104/0312537" target="_blank" >http://hdl.handle.net/11104/0312537</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/JHEP08(2020)080" target="_blank" >10.1007/JHEP08(2020)080</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Performance of the missing transverse momentum triggers for the ATLAS detector during Run-2 data taking

Popis výsledku v původním jazyce

The factor of four increase in the LHC luminosity, from 0.5 × 1034^{34}34 cm−2^{−2}−2s−1^{−1}−1 to 2.0 × 1034^{34}34cm−2^{−2}−2s−1^{−1}−1, and the corresponding increase in pile-up collisions during the 2015–2018 data-taking period, presented a challenge for the ATLAS trigger, particularly for those algorithms that select events with missing transverse momentum. The output data rate at fixed threshold typically increases exponentially with the number of pile-up collisions, so the legacy algorithms from previous LHC data-taking periods had to be tuned and new approaches developed to maintain the high trigger efficiency achieved in earlier operations. A study of the trigger performance and comparisons with simulations show that these changes resulted in event selection efficiencies of > 98% for this period, meeting and in some cases exceeding the performance of similar triggers in earlier run periods.n

Název v anglickém jazyce

Performance of the missing transverse momentum triggers for the ATLAS detector during Run-2 data taking

Popis výsledku anglicky

The factor of four increase in the LHC luminosity, from 0.5 × 1034^{34}34 cm−2^{−2}−2s−1^{−1}−1 to 2.0 × 1034^{34}34cm−2^{−2}−2s−1^{−1}−1, and the corresponding increase in pile-up collisions during the 2015–2018 data-taking period, presented a challenge for the ATLAS trigger, particularly for those algorithms that select events with missing transverse momentum. The output data rate at fixed threshold typically increases exponentially with the number of pile-up collisions, so the legacy algorithms from previous LHC data-taking periods had to be tuned and new approaches developed to maintain the high trigger efficiency achieved in earlier operations. A study of the trigger performance and comparisons with simulations show that these changes resulted in event selection efficiencies of > 98% for this period, meeting and in some cases exceeding the performance of similar triggers in earlier run periods.n

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10303 - Particles and field physics

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of High Energy Physics

ISSN

1029-8479

e-ISSN

—

Svazek periodika

2020

Číslo periodika v rámci svazku

8

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

53

Strana od-do

1-53

Kód UT WoS článku

000563641800001

EID výsledku v databázi Scopus

2-s2.0-85089974543