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https://hdl.handle.net/20.500.11851/3318
Title: | Measurement of Flow Harmonics Correlations With Mean Transverse Momentum in Lead–lead and Proton–lead Collisions at ?snn=5.02tev With the Atlas Detector | Authors: | The ATLAS Collaboration Sultansoy, Saleh |
Keywords: | Collisions Ionic collisions flow harmonics |
Publisher: | Springer | Source: | ATLAS collaboration. (2019). Measurement of flow harmonics correlations with mean transverse momentum in lead–lead and proton–lead collisions at $$\sqrt {s_ {\mathrm {NN}}}= 5.02~\hbox {TeV} $$ with the ATLAS detector. The European Physical Journal C, 79(12), 985. | Abstract: | To assess the properties of the quark–gluon plasma formed in ultrarelativistic ion collisions, the ATLAS experiment at the LHC measures a correlation between the mean transverse momentum and the flow harmonics. The analysis uses data samples of lead–lead and proton–lead collisions obtained at the centre-of-mass energy per nucleon pair of 5.02 TeV, corresponding to total integrated luminosities of 22?b-1 and 28nb-1, respectively. The measurement is performed using a modified Pearson correlation coefficient with the charged-particle tracks on an event-by-event basis. The modified Pearson correlation coefficients for the 2nd-, 3rd-, and 4th-order flow harmonics are measured in the lead–lead collisions as a function of event centrality quantified as the number of charged particles or the number of nucleons participating in the collision. The measurements are performed for several intervals of the charged-particle transverse momentum. The correlation coefficients for all studied harmonics exhibit a strong centrality evolution, which only weakly depends on the charged-particle momentum range. In the proton–lead collisions, the modified Pearson correlation coefficient measured for the 2nd-order flow harmonics shows only weak centrality dependence. The lead-lead data is qualitatively described by the predictions based on the hydrodynamical model. © 2019, CERN for the benefit of the ATLAS collaboration. | URI: | https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-019-7489-6 https://hdl.handle.net/20.500.11851/3318 |
ISSN: | 14346044 |
Appears in Collections: | Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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File | Description | Size | Format | |
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saleh_transverse.pdf | 1.65 MB | Adobe PDF | View/Open |
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