Azimuthal anisotropies of charged particles with high transverse momentum in Pb+Pb collisions at √sNN=5.02 TeV with the ATLAS detector

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F25%3A00644537" target="_blank" >RIV/68378271:_____/25:00644537 - isvavai.cz</a>
Alternative codes found
RIV/00216208:11320/25:10511331
Result on the web
<a href="https://hdl.handle.net/11104/0374422" target="_blank" >https://hdl.handle.net/11104/0374422</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/d46f-yl4n" target="_blank" >10.1103/d46f-yl4n</a>

Result language
angličtina
Original language name
Azimuthal anisotropies of charged particles with high transverse momentum in Pb+Pb collisions at √sNN=5.02 TeV with the ATLAS detector
Original language description
A measurement is presented of elliptic (v2) and triangular (v3) azimuthal anisotropy coefficients for charged particles produced in Pb+Pb collisions at √sNN=5.02 TeV using a dataset corresponding to an integrated luminosity of 0.44 nb−1 collected with the ATLAS detector at the LHC in 2018. The values of v2 and v3 are measured for charged particles over a wide range of transverse momentum (pT), 1-400 GeV, and Pb+Pb collision centrality, 0-60%, using the scalar product and multiparticle cumulant methods. These methods are sensitive to event-by-event fluctuations and nonflow effects in the measurements of azimuthal anisotropies. Positive values of v2 are observed up to a pT of approximately 100 GeV from both methods across all centrality intervals. Positive values of v3 are observed up to approximately 25 GeV using both methods, though the application of the three-subevent technique to the multiparticle cumulant method leads to significant changes at the highest pT. At high pT (pT⪆10 GeV), charged particles are dominantly from jet fragmentation.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10303 - Particles and field physics

Project
<a href="/en/project/EH22_008%2F0004632" target="_blank" >EH22_008/0004632: Fundamental constituents of matter through frontier technologies</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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