Predictions of elliptic flow and nuclear modification factor from 200 GeV U + U collisions at RHIC

Abstract

Predictions of elliptic flow ($v_2$) and nuclear modification factor ($R_{AA}$) are provided as a function of centrality in U + U collisions at $\sqrt{s_{{}_{NN}}}$ = 200 GeV. Since the ${}^{238}$U nucleus is naturally deformed, one could adjust the properties of the fireball, density and duration of the hot and dense system, for example, in high energy nuclear collisions by carefully selecting the colliding geometry. Within our Monte Carlo Glauber based approach, the $v_2$ with respect to the reaction plane $v_2^{RP}$ in U + U collisions is consistent with that in Au + Au collisions, while the $v_2$ with respect to the participant plane $v_2^{PP}$ increases $\sim$30-60% at top 10% centrality which is attributed to the larger participant eccentricity at most central U + U collisions. The suppression of $R_{AA}$ increases and reaches $\sim$0.1 at most central U + U collisions that is by a factor of 2 more suppression compared to the central Au + Au collisions due to large size and deformation of Uranium nucleus.

14 pages, 6 figures; typo added, fix the systematic error on the v2^{PP}

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• The roles of deformation and orientation in heavy-ion collisions induced by light deformed nuclei at intermediate energy
• Azimuthal anisotropy in U+U collisions at STAR
• Pion, kaon, and (anti-)proton production in U+U Collisions at $\sqrt{s_{NN}}$ = 193 GeV measured with the STAR detector
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• Azimuthal Anisotropy in U+U Collisions at $\sqrt{s_{NN}}=193$ GeV with STAR Detector at RHIC
• Forward $J/\psi$ production in U$+$U collisions at $\sqrt{s_{NN}}$=193 GeV
• Multiplicity and Pseudorapidity distributions of charged particles in asymmetric and deformed nuclear collisions in a Wounded Quark Model
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• Production of ${\pi }^0$ and $\eta$ mesons in U$+$U collisions at $\sqrt{s_{{}_{NN}}}=192$ GeV
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• Study of charged particle production in $U$-$U$ collisions in a Wounded Quark Model
• Exploring the effect of hadron cascade-time on particle production in Xe+Xe collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.44 TeV through a multi-phase transport model
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• Calculating charged particle observables using modified Wood Saxon model in HIJING for U+U collisions at $\sqrt{s_{NN}}$ = 193 GeV