Nuclear modification factors of phi mesons in d+Au, Cu+Cu and Au+Au collisions at sqrt(S_NN)=200 GeV

Abstract

The PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) has performed systematic measurements of phi meson production in the K+K- decay channel at midrapidity in p+p, d+Au, Cu+Cu and Au+Au collisions at sqrt(S_NN)=200 GeV. Results are presented on the phi invariant yield and the nuclear modification factor R_AA for Au+Au and Cu+Cu, and R_dA for d+Au collisions, studied as a function of transverse momentum (1<p_T<7 GeV/c) and centrality. In central and mid-central Au+Au collisions, the R_AA of phi exhibits a suppression relative to expectations from binary scaled p+p results. The amount of suppression is smaller than that of the neutral pion and the eta meson in the intermediate p_T range (2--5 GeV/c); whereas at higher p_T the phi, pi^0, and eta show similar suppression. The baryon (protons and anti-protons) excess observed in central Au+Au collisions at intermediate p_T is not observed for the phi meson despite the similar mass of the proton and the phi. This suggests that the excess is linked to the number of constituent quarks rather than the hadron mass. The difference gradually disappears with decreasing centrality and for peripheral collisions the R_AA values for both particles are consistent with binary scaling. Cu+Cu collisions show the same yield and suppression as Au+Au collisions for the same number of N_part. The R_dA of phi shows no evidence for cold nuclear effects within uncertainties.

arXiv comment532 authors, 11 pages text, RevTeX-4, 7 figures, 1 Table. Submitted to Physical Review C. v2 interchanged to proper .eps files for Figs. 6 and 7; fixed minor typos. Plain text data tables for points plotted in figures are at http://www.phenix.bnl.gov/papers.html

References in corpus (44)

• Formation of dense partonic matter in relativistic nucleus-nucleus collisions at RHIC: Experimental evaluation by the PHENIX collaboration
• Glauber Modeling in High Energy Nuclear Collisions
• Radiative energy loss and $p_{\perp }$-broadening of high energy partons in nuclei
• Suppression of Hadrons with Large Transverse Momentum in Central Au+Au Collisions at $sqrt {s sub {sub {NN}}}_ = 130 GeV
• Multiple Collisions and Induced Gluon Bremsstrahlung in QCD
• Hadronization in heavy ion collisions: Recombination and fragmentation of partons
• Interpretation of the nonextensitivity parameter $q$ in some applications of Tsallis statistics and Lévy distributions
• Parton coalescence and antiproton/pion anomaly at RHIC
• Hadron production in heavy ion collisions: Fragmentation and recombination from a dense parton phase
• Energy Loss and Flow of Heavy Quarks in Au+Au Collisions at sqrt(s_NN) = 200 GeV
• Particle-type dependence of azimuthal anisotropy and nuclear modification of particle production in Au+Au collisions at s(NN)**(1/2) = 200-GeV
• Suppressed pi^0 Production at Large Transverse Momentum in Central Au+Au Collisions at sqrt(s_NN) = 200 GeV
• Early thermalization at RHIC
• Suppression pattern of neutral pions at high transverse momentum in Au+Au collisions at sqrt(s_NN) = 200 GeV and constraints on medium transport coefficients
• Hydrodynamic Models for Heavy Ion Collisions
• Scaling behavior at high p_T and the p/pi ratio
• Identified hadron spectra at large transverse momentum in p+p and d+Au collisions at \sqrts_NN = 200 GeV
• Centrality Dependence of Direct Photon Production in sqrt(s_NN) = 200 GeV Au+Au Collisions
• Scaling properties of proton and anti-proton production in sqrt(s_NN) = 200 GeV Au + Au collisions
• Results from the Relativistic Heavy Ion Collider
• Partonic flow and $\varphi$-meson production in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV
• Recombination of Shower Partons at High $p_T$ in Heavy-Ion Collisions
• Common Suppression Pattern of eta and pi^0 Mesons at High Transverse Momentum in Au+Au Collisions at sqrt(s_NN) = 200 GeV
• K(892)* Resonance Production in Au+Au and p+p Collisions at sqrt(sNN) = 200 GeV at RHIC
• Centrality Dependence of pi^0 and eta Production at Large Transverse Momentum in sqrt(s_NN) = 200 GeV d+Au Collisions
• Single Identified Hadron Spectra from sqrt(s_NN)=130 GeV Au+Au Collisions
• Measurements of $\varphi$ meson production in relativistic heavy-ion collisions at RHIC
• Pion, kaon, proton and anti-proton transverse momentum distributions from p+p and d+Au collisions at $\sqrt{s_{NN}}=200$ GeV
• Elliptic flow for phi mesons and (anti)deuterons in Au+Au collisions at sqrt(s_NN) = 200 GeV
• Production of phi mesons at mid-rapidity in sqrt(s_NN) = 200 GeV Au+Au collisions at RHIC
• J/psi Production and Nuclear Effects for d+Au and p+p Collisions at sqrt(s_NN) = 200 GeV
• Nuclear Effects on Hadron Production in d+Au and p+p Collisions at sqrt(s_NN)=200 GeV
• Energy and system size dependence of ϕmeson production in Cu+Cu and Au+Au collisions
• Interplay between soft and hard hadronic components for identified hadrons in relativistic heavy ion collisions
• Jet Quenching and the p-bar >= pi- Anomaly at RHIC
• Nuclear Modification Factors for Hadrons At Forward and Backward Rapidities in Deuteron-Gold Collisions at sqrt(s_NN) = 200 GeV
• Energy dependence of pi-zero production in Cu+Cu collisions at sqrt(s_NN) = 22.4, 62.4, and 200 GeV
• Cronin effect vs. geometrical shadowing in d+Au collisions at RHIC
• Jet Structure of Baryon Excess in Au+Au Collisions at sqrt(s_NN) = 200 GeV
• Final-State Interaction as the Origin of the Cronin Effect
• What can we learn from a second phi meson peak in ultrarelativistic nuclear collisions?
• The Baryon Anomaly: Evidence for Color Transparency and Direct Hadron Production at RHIC
• Correlated Production of p and p^bar in Au+Au Collisions at sqrt(s_NN) = 200 GeV
• Determination of the strangeness contents of light-flavour isoscalars from its production rates in hadronic Z decays measured at LEP

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