Measurement of long-range multiparticle azimuthal correlations with the subevent cumulant method in pp and p plus Pb collisions with the ATLAS detector at the CERN Large Hadron Collider

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F18%3A10390861" target="_blank" >RIV/00216208:11320/18:10390861 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68407700:21220/18:00319431 RIV/68407700:21340/18:00319431 RIV/68407700:21670/18:00319431 RIV/61989592:15310/18:73587547

Výsledek na webu

<a href="https://doi.org/10.1103/PhysRevC.97.024904" target="_blank" >https://doi.org/10.1103/PhysRevC.97.024904</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevC.97.024904" target="_blank" >10.1103/PhysRevC.97.024904</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Measurement of long-range multiparticle azimuthal correlations with the subevent cumulant method in pp and p plus Pb collisions with the ATLAS detector at the CERN Large Hadron Collider

Popis výsledku v původním jazyce

A detailed study of multiparticle azimuthal correlations is presented using pp data at SQUARE ROOTs = 5.02 and 13 TeV, and p+Pb data at SQUARE ROOTsNN = 5.02 TeV, recorded with the ATLAS detector at the CERN Large Hadron Collider. The azimuthal correlations are probed using four-particle cumulants cn{4} and flow coefficients vn{4} = (-cn{4})^1/4 for n = 2 and 3, with the goal of extracting long-range multiparticle azimuthal correlation signals and suppressing the short-range correlations. The values of cn{4} are obtained as a function of the average number of charged particles per event, &lt;Nch&gt;, using the recently proposed two-subevent and three-subevent cumulant methods, and compared with results obtained with the standard cumulant method. The standard method is found to be strongly biased by short-range correlations,which originate mostly from jets with a positive contribution to cn{4}.The three-subevent method, on the other hand, is found to be least sensitive to short-range correlations.

Název v anglickém jazyce

Measurement of long-range multiparticle azimuthal correlations with the subevent cumulant method in pp and p plus Pb collisions with the ATLAS detector at the CERN Large Hadron Collider

Popis výsledku anglicky

A detailed study of multiparticle azimuthal correlations is presented using pp data at SQUARE ROOTs = 5.02 and 13 TeV, and p+Pb data at SQUARE ROOTsNN = 5.02 TeV, recorded with the ATLAS detector at the CERN Large Hadron Collider. The azimuthal correlations are probed using four-particle cumulants cn{4} and flow coefficients vn{4} = (-cn{4})^1/4 for n = 2 and 3, with the goal of extracting long-range multiparticle azimuthal correlation signals and suppressing the short-range correlations. The values of cn{4} are obtained as a function of the average number of charged particles per event, &lt;Nch&gt;, using the recently proposed two-subevent and three-subevent cumulant methods, and compared with results obtained with the standard cumulant method. The standard method is found to be strongly biased by short-range correlations,which originate mostly from jets with a positive contribution to cn{4}.The three-subevent method, on the other hand, is found to be least sensitive to short-range correlations.

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

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2018

Kód důvěrnosti údajů

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

Název periodika

Physical Review C

ISSN

2469-9985

e-ISSN

—

Svazek periodika

97

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

25

Strana od-do

—

Kód UT WoS článku

000424747000006

EID výsledku v databázi Scopus

2-s2.0-85042222202