Dynamics of identified particles production in oxygen-oxygen collisions at \sqrt{s_{\mathrm{NN}} = 7 TeV using EPOS4
arxiv(2024)
摘要
The Large Hadron Collider (LHC) aims to inject oxygen (${}^{16}O$) ions in
the next run into its experiments. This include the anticipated one-day physics
run focusing on $OO$ collisions at center-of-mass energy \sqrt{s_{\mathrm{NN}}
= 7 Tev. In this study, we have used recently developed version of the EPOS
model (EPOS4) to study the production of identified particles ($\pi^\pm$,
$K^\pm$ and $p(\overline{p})$) in $OO$ collisions at 7 Tev. Predictions of
transverse momentum ($p_T$) spectra, $\langle p_T \rangle$, integrated yield
(dN/dy) for different centrality classes are studied. To provide insight into
the collective nature of the produced particles, we look into the
$p_T$-differential particle ratios ($K/\pi$ and $p/\pi$) and $p_T$-integrated
particle ratios to ($\pi^++\pi^-$) as a function of charge particle
multiplicity. The shape of the charge particle multiplicity ($dN/d\eta$) and
$\langle p_T \rangle$ is well described by the EPOS4. The EPOS4 model
predictions for the ratios of $K/\pi$ and $p/\pi$ exhibit a systematic
overestimation compared to the observed trends as a function of
charged-particle multiplicity. Interestingly, the $OO$ results of
$p_T$-integrated particle ratios shows a clear final state multiplicity overlap
with $pp$, $p-Pb$ and $Pb-Pb$ collisions. EPOS4 mimics signs of collectivity
and is one of the suitable candidates to study ultra-relativistic heavy-ion
collisions. Furthermore, the foreseen data from $OO$ collisions at the LHC,
when available, will help to better understand the heavy-ion-like behavior in
small systems as well as help to put possible constraints on the model
parameters.
更多查看译文
AI 理解论文
溯源树
样例
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要