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Collective Flow And Azimuthally Differential Pion Femtoscopy With The Alice Experiment At The Lhc, Vera Reneee Loggins

Wayne State University Dissertations

Since 2009, the Large Hadron Collider (LHC) at European Organization

for Nuclear Research (CERN) has been conducting experiments in $pp$,

Pb-Pb, as well as $p$-Pb collisions with the center of mass energy

ranging $\sqrt{{s}_{NN}}=0.9-5.05$~TeV. In this thesis, both,

estimates of background correlations in anisotropic flow, $v_1-v_5$,

measurements

in Pb-Pb collisions at

$\sqrt{{s}_{NN}}=2.76$~TeV, and azimuthally differential pion femtoscopy

of Pb-Pb collisions are reported.

Two particle azimuthal correlations are statistically the most precise

method of measuring anisotropic flow. The main drawback of this method

is its sensitivity to the non-flow correlations, which unlike real

flow, do not have geometrical origin. Non-flow contribution …