Bottomonium suppression in PbPb collision at energies available at the CERN large hadron collider

Abstract

We had been gradually working towards building a comprehensive quarkonia suppression formalism to explain all 3 dependencies of quarkonium suppression obtained from heavy-ion collision experiments. We present here the improved version of quarkonia suppression framework. It assumes bottomonia produced in the early stage which dissociates due to color screening, gluonic dissociation, and collisional damping in addition to the shadowing as an initial state effect. The QGP medium formed in the collisions is assumed to evolve under ($3+1$)-dimensional relativistic viscous hydrodynamics which is modeled using ECHO-QGP. This replaces the Bjorken's hydrodynamics which we had used in our earlier work where we determined the centrality and transverse momentum dependent suppression. The correlated bottom quark and bottom anti-quark could recombine in the plasma. A rate equation is employed, whose solution gives the final number of bottomonium after dissociation and recombination under $(3+1)$-dimensional expansion of the QGP medium. The Shadowing effect, which is the dominant Cold Nuclear Matter effect at LHC energies, has now been modified by employing the most recent parton distribution functions obtained from CT14 global analysis and shadowing factors from EPPS16. Using this improved formalism we determine the centrality, transverse momentum, and rapidity, dependencies of bottomonium suppression for ${\rm Y}(1S)$, and ${\rm Y}(2S)$ at the LHC's energies of $2.76$ TeV and $5.02$ TeV. We find a fairly good agreement between theoretically calculated survival probability and the measured nuclear modification factor($R_{AA}$) at the two energies.

arXiv comment9 pages, 7 figures, 1 table

References in corpus (57)

• New Generation of Parton Distributions with Uncertainties from Global QCD Analysis
• Experimental and Theoretical Challenges in the Search for the Quark Gluon Plasma: The STAR Collaboration's Critical Assessment of the Evidence from RHIC Collisions
• Viscosity in Strongly Interacting Quantum Field Theories from Black Hole Physics
• Glauber Modeling in High Energy Nuclear Collisions
• New parton distribution functions from a global analysis of quantum chromodynamics
• The QCD equation of state with dynamical quarks
• EPS09 - a New Generation of NLO and LO Nuclear Parton Distribution Functions
• Heavy Ion Collisions: The Big Picture, and the Big Questions
• Chiral crossover in QCD at zero and non-zero chemical potentials
• EPPS16: Nuclear parton distributions with LHC data
• Enhanced J/Psi Production in Deconfined Quark Matter
• Real-time static potential in hot QCD
• Quarkonium Feed-Down and Sequential Suppression
• Signatures of Quark-Gluon-Plasma formation in high energy heavy-ion collisions: A critical review
• Systematic Studies of the Centrality and sqrt(s_NN) Dependence of dE_T/deta and dN_ch/deta in Heavy Ion Collisions at Mid-rapidity
• Production of charged pions, kaons and (anti-)protons in Pb-Pb and inelastic pp collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV
• Nuclear shadowing
• Centrality dependence of the pseudorapidity density distribution for charged particles in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 2.76 TeV
• Lattice QCD and heavy ion collisions: a review of recent progress
• Thermal Bottomonium Suppression at RHIC and LHC
• Color Screening and Regeneration of Bottomonia in High-Energy Heavy-Ion Collisions
• Measurement of nuclear modification factors of ${\rm Y}$(1S), ${\rm Y}$(2S), and ${\rm Y}$(3S) mesons in PbPb collisions at $\sqrt{s_{{}_{\mathrm{NN}}}}=$ 5.02 TeV
• Cold Nuclear Matter Effects on J/psi and Upsilon Production at the LHC
• Interplay of shear and bulk viscosity in generating flow in heavy-ion collisions
• Thermalization at RHIC
• Centrality dependence of the nuclear modification factor of charged pions, kaons, and protons in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV
• High transverse momentum quarkonium production and dissociation in heavy ion collisions
• Thermal width and gluo-dissociation of quarkonium in pNRQCD
• Relativistic viscous hydrodynamics for heavy-ion collisions with ECHO-QGP
• Thermal width and quarkonium dissociation by inelastic parton scattering
• Momentum spectra of charmonium produced in a quark-gluon plasma
• Hydrodynamic Predictions for Pb+Pb Collisions at 5.02 A TeV
• Centrality dependence of the pseudorapidity density distribution for charged particles in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV
• Suppression of Upsilon(1S), Upsilon(2S), and Upsilon(3S) production in PbPb collisions at sqrt(s[NN]) = 2.76 TeV
• 3+1d quasiparticle anisotropic hydrodynamics for ultrarelativistic heavy-ion collisions
• Suppression of ${\rm Y}$(1S) at forward rapidity in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 2.76 TeV
• Particle spectra and HBT radii for simulated central nuclear collisions of C+C, Al+Al, Cu+Cu, Au+Au, and Pb+Pb from Sqrt(s)=62.4-2760 GeV
• Bottomonium suppression using a lattice QCD vetted potential
• Study of $J/\psi$ production and cold nuclear matter effects in $p$Pb collisions at $\sqrt{s_{NN}}=5\mathrm{TeV}$
• QCD Critical Point in a Quasiparticle Model
• Hydrodynamic predictions for 5.02 TeV Pb-Pb collisions
• The QCD crossover at zero and non-zero baryon densities from Lattice QCD
• QM2017: Status and Key open Questions in Ultra-Relativistic Heavy-Ion Physics
• Upsilon suppression in PbPb collisions at the LHC
• ${\rm Y}$ suppression at forward rapidity in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV
• Stabilizing Hadron Resonance Gas Models against Future Discoveries
• High-Temperature QCD: theory overview
• Towards QCD-assisted hydrodynamics for heavy-ion collision phenomenology
• New developments in lattice QCD on equilibrium physics and phase diagram
• Elliptic and triangular flow of identified particles at ALICE
• Anisotropic escape mechanism and elliptic flow of bottomonia
• Colour screening scenario for quarkonia suppression in a quasiparticle model compared with data obtained from experiments at the CERN SPS, BNL RHIC, and CERN LHC
• $J/\psi$ suppression in Au+Au collisions at RHIC : colour screening scenario in the bag model at variable participant numbers
• Centrality and transverse momentum dependent suppression of ${\rm Y}(1S)$ and ${\rm Y}(2S)$ in p$-$Pb and Pb$-$Pb collisions at the CERN Large Hadron Collider
• Bottomonium suppression at $\sqrt{s_{NN}}=2.76$ TeV using model based on color screening and gluonic dissociation with collisional damping
• Bottomonium suppression at RHIC and LHC
• Dilepton production as a measure of QGP thermalization time

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• Transverse momentum dependent feed-down fractions for bottomonium production
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• Exploring QGP-like phenomena with Charmonia in $p+p$ collisions at $\sqrt{s}=13$ TeV
• Dissociation-driven quarkonium spin alignment in Pb--Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV
• Spin alignment of Quarkonia: A Possible Probe of Deconfined QCD matter in Pb+Pb Collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV