Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Correlations between flow and transverse momentum in Xe+Xe and Pb+Pb
  collisions at the LHC with the ATLAS detector: a probe of the heavy-ion
  initial state and nuclear deformation   The correlations between flow harmonics $v_n$ for $n=2$, 3 and 4 and mean
transverse momentum $[p_\mathrm{T}]$ in $^{129}$Xe+$^{129}$Xe and
$^{208}$Pb+$^{208}$Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.44$ TeV and 5.02
TeV, respectively, are measured using charged particles with the ATLAS
detector. The correlations are sensitive to the shape and size of the initial
geometry, nuclear deformation, and initial momentum anisotropy. The effects
from non-flow and centrality fluctuations are minimized, respectively, via a
subevent cumulant method and event activity selection based on particle
production in the very forward rapidity. The results show strong dependences on
centrality, harmonic number $n$, $p_{\mathrm{T}}$ and pseudorapidity range.
Current models describe qualitatively the overall centrality- and
system-dependent trends but fail to quantitatively reproduce all the data. In
the central collisions, where models generally show good agreement, the
$v_2$-$[p_\mathrm{T}]$ correlations are sensitive to the triaxiality of the
quadruple deformation. The comparison of model to the Pb+Pb and Xe+Xe data
suggests that the $^{129}$Xe nucleus is a highly deformed triaxial ellipsoid
that is neither a prolate nor an oblate shape. This provides strong evidence
for a triaxial deformation of $^{129}$Xe nucleus using high-energy heavy-ion
collision.

30
The categories of this paper are: q-alg
2
The categories of this paper are: math
21
The categories of this paper are: adap-org
23
The categories of this paper are: solv-int
31
The categories of this paper are: ao-sci
3
The categories of this paper are: physics
20
The categories of this paper are: acc-phys
13
The categories of this paper are: quant-ph
17
The categories of this paper are: q-fin
6
The categories of this paper are: astro-ph
11
The categories of this paper are: hep-lat
37
The categories of this paper are: supr-con
18
The categories of this paper are: econ
34
The categories of this paper are: chem-ph
10
The categories of this paper are: q-bio
4
The categories of this paper are: cond-mat