Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Checking Non-Flow Assumptions and Results via PHENIX Published
  Correlations in $p$$+$$p$, $p$$+$Au, $d$$+$Au, $^3$He$+$Au at $\sqrt{s_{NN}}$
  = 200 GeV   Recently the PHENIX Collaboration has made available two-particle correlation
Fourier coefficients for multiple detector combinations in minimum bias p+p and
0-5% central p+Au, d+Au, 3He+Au collisions at 200 GeV [1]. Using these
coefficients for three sets of two-particle correlations, azimuthal anisotropy
coefficients $v_2$ and $v_3$ are extracted for midrapidity charged hadrons as a
function of transverse momentum. In this paper, we use the available
coefficients to explore various non-flow hypotheses as well as compare the
results with theoretical model calculations. The non-flow methods fail basic
closure tests with AMPT and PYTHIA/ANGANTYR, particularly when including
correlations with particles in the low multiplicity light-projectile going
direction. In data, the non-flow adjusted $v_2$ results are modestly lower in
p+Au and the adjusted $v_3$ results are more significantly higher in p+Au and
d+Au. However, the resulting higher values for the ratio $v_3/v_2$ in p+Au at
RHIC compared to p+Pb at the LHC is additional evidence for a significant
over-correction. Incorporating these additional checks, the conclusion that
these flow coefficients are dominated by initial geometry coupled with
final-state interactions (e.g.~hydrodynamic expansion of quark-gluon plasma)
remains true, and explanations based on initial-state glasma are ruled out. The
detailed balance between intrinsic and fluctuation-driven geometry and the
exact role of weakly versus strongly-coupled pre-hydrodynamic evolution remains
an open question for triangular flow, requiring further theoretical and
experimental investigation.

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The categories of this paper are: hep-ex
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The categories of this paper are: gr-qc
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The categories of this paper are: supr-con
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The categories of this paper are: cs
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The categories of this paper are: hep-th
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The categories of this paper are: q-bio
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The categories of this paper are: plasm-ph
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The categories of this paper are: mtrl-th
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The categories of this paper are: cond-mat
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The categories of this paper are: hep-lat
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The categories of this paper are: nlin
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The categories of this paper are: acc-phys
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The categories of this paper are: q-fin
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The categories of this paper are: quant-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: dg-ga