Measurement of single electrons and implications for charm production in Au+Au collisions at sqrt(s_NN)= 130 GeV

Abstract

Transverse momentum spectra of electrons from Au+Au collisions at sqrt(s_NN) = 130 GeV have been measured by the PHENIX experiment at RHIC. The spectra show an excess above the background from photon conversions and light hadron decays. The electron signal is consistent with that expected from semi-leptonic decays of charm. The yield of the electron signal dN_e/dy for p_T > 0.8 GeV/c is 0.025 +/- 0.004 (stat.) +/- 0.010 (sys.) in central collisions, and the corresponding charm cross section is 380 +/- 60 (stat.) +/- 200 (sys.) micro barns per binary nucleon-nucleon collision.

6 pages, RevTeX 3, 4 figures, 1 table, 308 authors, accepted by Phys. Rev. Lett. on 29 March 2002. v2 has minor changes made in response to referee comments. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (will be made) publicly available at http://www.phenix.bnl.gov/phenix/WWW/run/phenix/papers.html

References in corpus (12)

• Global QCD Analysis of Parton Structure of the Nucleon: CTEQ5 Parton Distributions
• Suppression of Hadrons with Large Transverse Momentum in Central Au+Au Collisions at $sqrt {s sub {sub {NN}}}_ = 130 GeV
• Heavy quark colorimetry of QCD matter
• Centrality Dependence of Charged Particle Multiplicity in Au-Au Collisions at sqrt(s_NN)=130 GeV
• Low-mass e+e- pair production in 158 A GeV Pb-Au collisions at the CERN SPS, its dependence on multiplicity and transverse momentum
• Observation of Direct Photons in Central 158 A GeV 208Pb+208Pb Collisions
• Signatures of Thermal Dilepton Radiation at RHIC
• Hard Thermal Photon Production in Relativistic Heavy Ion Collisions
• Photons from Pb-Pb Collisions at CERN SPS
• Production of Eta-Mesons in 200 AGeV/c S+S and S+Au Reactions
• Rapidity Distributions of Dileptons from a Hadronizing Quark-Gluon Plasma
• Nuclear Gluon Shadowing via Continuum Lepton Pairs in $p+A$ at $\sqrt{s}=200$ AGeV

Cited by in corpus (100)

• Formation of dense partonic matter in relativistic nucleus-nucleus collisions at RHIC: Experimental evaluation by the PHENIX collaboration
• How Much do Heavy Quarks Thermalize in a Heavy Ion Collision?
• Heavy-flavour and quarkonium production in the LHC era: from proton-proton to heavy-ion collisions
• Quark Coalescence for Charmed Mesons in Ultrarelativistic Heavy-Ion Collisions
• Heavy Quark Radiative Energy Loss in QCD Matter
• Detailed measurement of the e+e- pair continuum in p+p and Au+Au collisions at sqrt(s_NN)=200 GeV and implications for direct photon production
• Nuclear Modification of Electron Spectra and Implications for Heavy Quark Energy Loss in Au+Au Collisions at sqrt(s_NN)=200 GeV
• Medium-Induced Gluon Radiation off Massive Quarks Fills the Dead Cone
• Heavy Quark Energy Loss in Nuclear Medium
• Statistical hadronization of charm in heavy-ion collisions at SPS, RHIC and LHC
• Heavy Quark Production in p+p and Energy Loss and Flow of Heavy Quarks in Au+Au Collisions at sqrt(s_NN)=200 GeV
• Measurement of high-p_T Single Electrons from Heavy-Flavor Decays in p+p Collisions at sqrt(s) = 200 GeV
• Open charm yields in d+Au collisions at $\sqrt{s_{{}_{NN}}}=200$ GeV
• Energy Loss of Charm Quarks in the Quark-Gluon Plasma: Collisional vs Radiative
• In-Medium Effects on Charmonium Production in Heavy-Ion Collisions
• Charmonium Suppression and Regeneration from SPS to RHIC
• Common Suppression Pattern of eta and pi^0 Mesons at High Transverse Momentum in Au+Au Collisions at sqrt(s_NN) = 200 GeV
• Open Heavy Flavor in QCD Matter and in Nuclear Collisions
• How sensitive are high-pt electron spectra at RHIC to heavy quark energy loss?
• Centrality Dependence of Charm Production from Single Electrons in Au+Au Collisions at sqrt(s_NN) = 200 GeV
• Influence of Bottom Quark Jet Quenching on Single Electron Tomography of Au+Au
• Measurement of direct photon production in p + p collisions at sqrt(s) = 200 GeV
• Recent results in relativistic heavy ion collisions: from ``a new state of matter'' to "the perfect fluid"
• Quark Coalescence and Elliptic Flow of Charm Hadrons
• Open Charm and Beauty at Ultrarelativistic Heavy Ion Colliders
• Heavy Flavour Hadro-Production from Fixed-Target to Collider Energies
• Production of muons from heavy flavour decays at forward rapidity in pp and Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV
• Momentum spectra of charmonium produced in a quark-gluon plasma
• Charm elliptic flow at RHIC
• Does the Charm Flow at RHIC?
• High transverse momentum eta meson production in p+p, d+Au and Au+Au collisions at sqrt(s_NN) = 200 GeV
• Properties of D-mesons in nuclear matter within a self-consistent coupled-channel approach
• Where is the charm quark energy loss at RHIC?
• The Ter-Mikayelian Effect on QCD Radiative Energy Loss
• A Study of the Properties of the QCD Phase Diagram in High-Energy Nuclear Collisions
• Measurement of Single Electron Event Anisotropy in Au+Au Collisions at sqrt(s_NN) = 200 GeV
• J/Psi Production in Au-Au Collisions at sqrt(s_NN) = 200 GeV at the Relativistic Heavy Ion Collider
• Open charm production in heavy ion collisions and the Color Glass Condensate
• Energy Loss of a Heavy Fermion in an Anisotropic QED Plasma
• Quenching of High pT Hadron Spectra by Hadronic Interactions in Heavy Ion Collisions at RHIC
• Single Electrons from Heavy Flavor Decays in p+p Collisions at sqrt(s) = 200 GeV
• Single electron yields from semileptonic charm and bottom hadron decays in Au$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV
• Multiple Parton Scattering in Nuclei: Heavy Quark Energy Loss and Modified Fragmentation Functions
• Perspectives for the study of charm in-medium quenching at the LHC with ALICE
• Charm elliptic flow from quark coalescence dynamics
• Relating parton model and color dipole formulation of heavy quark hadroproduction
• Measurement of open charm production in $d$+Au collisions at $\sqrt{s_{NN}}$=200 GeV
• Measurement of Single Muons at Forward Rapidity in p+p Collisions at sqrt(s) = 200 GeV and Implications for Charm Production
• The PHENIX measurement of Heavy Flavor via Single Electrons in pp, d-Au, and Au-Au collisions at sqrt(s_NN)=200 GeV
• Elliptic flow of muons from heavy-flavour hadron decays at forward rapidity in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV
• Heavy quarks at RHIC from parton transport theory
• Dilepton low $p_T$ suppression as an evidence of the Color Glass Condensate
• Heavy-flavor production in heavy-ion collisions and implications for the properties of hot QCD matter
• Saturation Physics in Ultra High Energy Cosmic Rays: Heavy Quark Production
• Consequences of a Lambda_c/D enhancement effect on the non-photonic electron nuclear modification factor in central heavy ion collisions at RHIC energy
• Heavy quark production and gluon saturation in double parton scattering at LHC
• What is the Real K Factor?
• Event anisotropy of identified ${\pi }^0$, photon and electron compared to charged $\pi$, $K$, $p$ and deuteron in $\sqrt{s_{NN}}$ = 200 GeV Au+Au at PHENIX
• Ultrarelativistic nucleus-nucleus collisions and the quark-gluon plasma
• Gluon Emission of Heavy Quarks: Dead Cone Effect
• Di-electron production from vector mesons with medium modifications in heavy ion collisions
• Charm production and in-medium QCD energy loss in nucleus-nucleus collisions with ALICE. A performance study
• Leptonic Observables in Ultra-Relativistic Heavy Ion Collisions
• Meson spectra and m_T scaling in p+p, d+Au and Au+Au collisions at \sqrtS_NN=200 GeV
• Extracting the charm cross section from semileptonic decays into muons
• Heavy quark production at LHC in the color dipole formalism
• Open and Hidden Charm Production at RHIC and LHC
• Theoretical Overview on (Hidden) Charm in High-Energy Heavy-Ion Collisions
• Single leptons from heavy-flavor decays at RHIC
• Enhancement of charm quark production due to nonlinear corrections to the DGLAP equations
• Phase-Space Coalescence for heavy and light quarks at RHIC
• Heavy Ion Physics at RHIC
• Open heavy flavor production at RHIC
• Open Charm Yields in 200 GeV p+p and d+Au Collisions at RHIC
• Charm hadron production in relativistic heavy ion collisions within a quark combination model
• Upper Limit of D0 Production in Central Pb-Pb Collisions at 158A GeV
• Strong color fields and heavy flavor production
• Energy loss of quarks in deconfined matter at RHIC: photon-tagged jets, single electron and dilepton spectra from open charm
• The azimuthal anisotropy of electrons from heavy flavor decays in sqrt(s_NN) = 200 GeV Au-Au collisions by PHENIX
• A Heavy-Flavor Tracker for STAR
• Overview of charm production at RHIC
• Heavy Quark Radiative Energy Loss - Applications to RHIC
• Relativistic Heavy-Ion Physics: Experimental Overview
• Heavy Flavour Production in pp and Heavy Ion Collisions in QCD Up to LHC Energies
• Heavy quark production in $k_t$ factorization approach at LHC energies
• Important experimental observables at RHIC
• The universal psi-prime-prime to psi-prime ratio as unambiguous signature for hard physics in nuclear reactions and in decays of beauty hadrons
• Heavy-to-light ratios as a test of medium-induced energy loss at RHIC and the LHC
• Characterization of Jets in Relativistic Heavy Ion Collisions
• J/psi production in a gluon plasma produced in Au-Au collisions at the Relativistic Heavy Ion Collider
• A database for quarkonium and open heavy-flavour production in hadronic collisions with HepData
• Open heavy flavor measurements with the PHENIX experiment at RHIC
• Charm and leptons
• What are we learning from RHIC?
• Open Charm Production at STAR
• Heavy quark and J/psi production at RHIC/PHENIX
• How hadron collider experiments contributed to the development of QCD: from hard-scattering to the perfect liquid
• A fundamental test of the Higgs Yukawa coupling at RHIC in A+A collisions
• Proposal for a High Energy Nuclear Database
• Open and Hidden Charm Production in d$A$ Collisions at RHIC and LHC