Publications (70)
Measurement of long-range angular correlation and quadrupole anisotropy of pions and (anti)protons in central Au collisions at =200 GeV
A. Adare, C. Aidala, N. N. Ajitanand +421
We present azimuthal angular correlations between charged hadrons and energy deposited in calorimeter towers in central Au and minimum bias collisions at $\sqrt{s_{…
meson production in Au collisions at GeV
PHENIX Collaboration, A. Adare, C. Aidala +482
The PHENIX experiment has measured meson production in Au collisions at GeV using the dimuon and dielectron decay channels. The meson is meas…
J/psi suppression at forward rapidity in Au+Au collisions at sqrt(s_NN)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +381
Heavy quarkonia are observed to be suppressed in relativistic heavy ion collisions relative to their production in p+p collisions scaled by the number of binary collisions. In orde…
Systematic study of nuclear effects in Al, Au, Au, and HeAu collisions at GeV using production
U. A. Acharya, A. Adare, C. Aidala +550
The PHENIX collaboration presents a systematic study of production from , Al, Au, Au, and HeAu collisions at GeV.…
Cold-nuclear-matter effcts on heavy-quark production in d+Au collisions at sqrt(s_NN)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +379
The PHENIX experiment has measured electrons and positrons at midrapidity from the decays of hadrons containing charm and bottom quarks produced in d+Au and p+p collisions at sqrt(…
Elliptic and hexadecapole flow of charged hadrons in Au+Au collisions at sqrt(s_NN) = 200 GeV
A. Adare, S. Afanasiev, C. Aidala +380
Differential measurements of the elliptic (v_2) and hexadecapole (v_4) Fourier flow coefficients are reported for charged hadrons as a function of transverse momentum (p_T) and col…
Beam-energy and system-size dependence of the space-time extent of the pion emission source produced in heavy ion collisions
A. Adare, S. Afanasiev, C. Aidala +619
Two-pion interferometry measurements are used to extract the Gaussian radii , , and , of the pion emission sources produced in CuCu and…
Measurements of Higher-Order Flow Harmonics in Au+Au Collisions at sqrt(s_NN) = 200 GeV
A. Adare, S. Afanasiev, C. Aidala +381
Flow coefficients v_n for n = 2, 3, 4, characterizing the anisotropic collective flow in Au+Au collisions at sqrt(s_NN) = 200 GeV, are measured relative to event planes Ψ_n determ…
Measurement of Transverse Single-Spin Asymmetries for J/psi Production in Polarized p+p Collisions at sqrt(s) = 200 GeV
A. Adare, S. Afanasiev, C. Aidala +444
We report the first measurement of transverse single-spin asymmetries in production from transversely polarized collisions at GeV with data taken by t…
Azimuthally anisotropic emission of low-momentum direct photons in AuAu collisions at GeV
A. Adare, S. Afanasiev, C. Aidala +549
The PHENIX experiment at the Relativistic Heavy Ion Collider has measured 2nd and 3rd order Fourier coefficients of the azimuthal distributions of direct photons emitted at midrapi…
Cold Nuclear Matter Effects on J/psi Yields as a Function of Rapidity and Nuclear Geometry in Deuteron-Gold Collisions at sqrt(s_NN) = 200 GeV
A. Adare, S. Afanasiev, C. Aidala +445
We present measurements of J/psi yields in d+Au collisions at sqrt(s_NN) = 200 GeV recorded by the PHENIX experiment and compare with yields in p+p collisions at the same energy pe…
Medium modification of jet fragmentation in Au+Au collisions at sqrt(s_NN)=200 GeV measured in direct photon-hadron correlations
A. Adare, S. Afanasiev, C. Aidala +559
The jet fragmentation function is measured with direct photon-hadron correlations in p+p and Au+Au collisions at sqrt(s_NN)=200 GeV. The p_T of the photon is an excellent approxima…
Azimuthal-angle dependence of charged-pion-interferometry measurements with respect to 2- and -order event planes in AuAu collisions at GeV
A. Adare, S. Afanasiev, C. Aidala +383
Charged-pion-interferometry measurements were made with respect to the 2- and 3-order event plane for AuAu collisions at GeV. A stro…
Measurements of elliptic and triangular flow in high-multiplicity HeAu collisions at GeV
A. Adare, S. Afanasiev, C. Aidala +627
We present the first measurement of elliptic () and triangular () flow in high-multiplicity HeAu collisions at GeV. Two-particle correlati…
Comparison of the space-time extent of the emission source in Au and AuAu collisions at GeV
A. Adare, S. Afanasiev, C. Aidala +519
Two-pion interferometry measurements in Au and AuAu collisions at GeV are used to extract and compare the Gaussian source radii R, R$_{\rm…
Azimuthal correlations of electrons from heavy-flavor decay with hadrons in p+p and Au+Au collisions at sqrt(s_NN)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +425
Measurements of electrons from the decay of open-heavy-flavor mesons have shown that the yields are suppressed in Au+Au collisions compared to expectations from binary scaled p+p c…
Nuclear modification factors of phi mesons in d+Au, Cu+Cu and Au+Au collisions at sqrt(S_NN)=200 GeV
PHENIX Collaboration, A. Adare, S. Afanasiev +529
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…
Neutral pion production with respect to centrality and reaction plane in Au+Au collisions at sqrt(s_NN)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +380
The PHENIX experiment has measured the production of neutral pions in Au+Au collisions at sqrt(s_NN)=200 GeV. The new data offer a fourfold increase in recorded luminosity, providi…
Measurement of two-particle correlations with respect to second- and third-order event planes in AuAu collisions at GeV
A. Adare, S. Afanasiev, C. Aidala +453
We present measurements of azimuthal correlations of charged hadron pairs in GeV AuAu collisions for the trigger and associated particle transverse-moment…
Direct-Photon Production in p+p Collisions at sqrt(s)=200 GeV at Midrapidity
A. Adare, S. Afanasiev, C. Aidala +379
The differential cross section for the production of direct photons in p+p collisions at sqrt(s)=200 GeV at midrapidity was measured in the PHENIX detector at the Relativistic Heav…
Spectra and ratios of identified particles in Au+Au and d+Au collisions at sqrt(s_NN)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +413
The transverse momentum (p_T) spectra and ratios of identified charged hadrons (Ï^+/-, K^+/-, p, p^bar) produced in sqrt(s_NN)=200 GeV Au+Au and d+Au collisions are reported in fi…
Jet modification via -hadron correlations in AuAu collisions at GeV
PHENIX Collaboration, N. J. Abdulameer, U. Acharya +532
High-momentum two-particle correlations are a useful tool for studying jet-quenching effects in the quark-gluon plasma. Angular correlations between neutral-pion triggers and charg…
Heavy-flavor electron-muon correlations in and +Au collisions at = 200 GeV
A. Adare, S. Afanasiev, C. Aidala +446
We report pair yield from charm decay measured between midrapidity electrons ( and GeV/) and forward rapidity muons ( and $p_T>1.…
Inclusive cross section and single-transverse-spin asymmetry for very forward neutron production in polarized p+p collisions at sqrt(s)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +379
The energy dependence of the single-transverse-spin asymmetry, A_N, and the cross section for neutron production at very forward angles were measured in the PHENIX experiment at RH…
Suppression of back-to-back hadron pairs at forward rapidity in d+Au Collisions at sqrt(s_NN)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +377
Back-to-back hadron pair yields in d+Au and p+p collisions at sqrt(s_NN)=200 GeV were measured with the PHENIX detector at the Relativistic Heavy Ion Collider. Rapidity separated h…
Centrality-dependent modification of jet-production rates in deuteron-gold collisions at =200 GeV
A. Adare, C. Aidala, N. N. Ajitanand +481
Jet production rates are measured in and Au collisions at =200 GeV recorded in 2008 with the PHENIX detector at the Relativistic Heavy Ion Collider.…
Cross sections and double-helicity asymmetries of midrapidity inclusive charged hadrons in p+p collisions at sqrt(s)=62.4 GeV
A. Adare, S. Afanasiev, C. Aidala +382
Unpolarized cross sections and double-helicity asymmetries of single-inclusive positive and negative charged hadrons at midrapidity from p+p collisions at sqrt(s)=62.4 GeV are pres…
Transverse-Momentum Dependence of the J/psi Nuclear Modification in d+Au Collisions at sqrt(s_NN)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +379
We present measured J/psi production rates in d+Au collisions at sqrt(s_NN) = 200 GeV over a broad range of transverse momentum (p_T=0-14 GeV/c) and rapidity (-2.2<y<2.2). We const…
Beam-energy and centrality dependence of direct-photon emission from ultra-relativistic heavy-ion collisions
A. Adare, S. Afanasiev, C. Aidala +669
The PHENIX collaboration presents first measurements of low-momentum ( GeV/) direct-photon yields from AuAu collisions at =39 and 62.4 GeV. For b…
Observation of direct-photon collective flow in sqrt(s_NN)=200 GeV Au+Au collisions
A. Adare, S. Afanasiev, C. Aidala +380
The second Fourier component v_2 of the azimuthal anisotropy with respect to the reaction plane was measured for direct photons at midrapidity and transverse momentum (p_T) of 1--1…
Transverse energy production and charged-particle multiplicity at midrapidity in various systems from to 200 GeV
A. Adare, S. Afanasiev, C. Aidala +702
Measurements of midrapidity charged particle multiplicity distributions, , and midrapidity transverse-energy distributions, , are presented for a variety…
Inclusive double-helicity asymmetries in neutral pion and eta meson production in collisions at GeV
A. Adare, C. Aidala, N. N. Ajitanand +377
Results are presented from data recorded in 2009 by the PHENIX experiment at the Relativistic Heavy Ion Collider for the double-longitudinal spin asymmetry, , for an…
Quadrupole Anisotropy in Dihadron Azimuthal Correlations in Central Au Collisions at =200 GeV
A. Adare, C. Aidala, N. N. Ajitanand +373
The PHENIX collaboration at the Relativistic Heavy Ion Collider (RHIC) reports measurements of azimuthal dihadron correlations near midrapidity in Au collisions at $\sqrt{s_{…
Erratum: Measurement of transverse single-spin asymmetries for J/psi production in polarized p+p collisions at sqrt(s)=200 GeV [Phys. Rev. D 82, 112008 (2010)]
A. Adare, S. Afanasiev, C. Aidala +444
We previously reported [Phys. Rev. D 82, 112008 (2010)] measurements of transverse single-spin asymmetries, A_N, in J/psi production from transversely polarized p+p collisions at s…
Measurement of and in , Au, and CuCu collisions at GeV
A. Adare, S. Afanasiev, C. Aidala +587
The PHENIX experiment at the Relativistic Heavy Ion Collider has performed a systematic study of and meson production at midrapidity in , Au, and Cu…
Trends in Yield and Azimuthal Shape Modification in Dihadron Correlations in Relativistic Heavy Ion Collisions
A. Adare, S. Afanasiev, C. Aidala +424
Fast parton probes produced by hard scattering and embedded within collisions of large nuclei have shown that partons suffer large energy loss and that the produced medium may resp…
Scaling properties of fractional momentum loss of high-pT hadrons in nucleus-nucleus collisions at from 62.4 GeV to 2.76 TeV
A. Adare, S. Afanasiev, C. Aidala +627
Measurements of the fractional momentum loss () of high-transverse-momentum-identified hadrons in heavy ion collisions are presented. Using in A…
Measurement of transverse-single-spin asymmetries for midrapidity and forward-rapidity production of hadrons in polarized p+p collisions at 200 and 62.4 GeV
A. Adare, S. Afanasiev, C. Aidala +448
Measurements of transverse-single-spin asymmetries () in collisions at 62.4 and 200 GeV with the PHENIX detector at RHIC are presented. At midrapidity,…
Measurement of jet-medium interactions via direct photon-hadron correlations in AuAu and Au collisions at GeV
U. Acharya, A. Adare, S. Afanasiev +574
We present direct photon-hadron correlations in 200 GeV/A AuAu, Au and collisions, for direct photon from 5--12 GeV/, collected by the PHENIX Collaborat…
Suppression of away-side jet fragments with respect to the reaction plane in Au+Au collisions at sqrt(s_NN) = 200 GeV
A. Adare, S. Afanasiev, C. Aidala +424
Pair correlations between large transverse momentum neutral pion triggers (p_T=4--7 GeV/c) and charged hadron partners (p_T=3--7 GeV/c) in central (0--20%) and midcentral (20--60%)…
Systematic study of charged-pion and kaon femtoscopy in AuAu collisions at =200 GeV
A. Adare, S. Afanasiev, C. Aidala +496
We present a systematic study of charged pion and kaon interferometry in AuAu collisions at =200 GeV. The kaon mean source radii are found to be larger than pi…
Centrality dependence of low-momentum direct-photon production in AuAu collisions at GeV
A. Adare, S. Afanasiev, C. Aidala +477
The PHENIX experiment at RHIC has measured the centrality dependence of the direct photon yield from AuAu collisions at GeV down to GeV/. Pho…
Measurement of the higher-order anisotropic flow coefficients for identified hadrons in AuAu collisions at = 200 GeV
A. Adare, S. Afanasiev, C. Aidala +384
New PHENIX measurements of the anisotropic flow coefficients , , and for identified particles (, , and $p+\…
Search for dark photons from neutral meson decays in and Au collisions at =200 GeV
A. Adare, S. Afanasiev, C. Aidala +577
The standard model (SM) of particle physics is spectacularly successful, yet the measured value of the muon anomalous magnetic moment deviates from SM calculations by 3.…
Upsilon (1S+2S+3S) production in d+Au and p+p collisions at sqrt(s_NN)=200 GeV and cold-nuclear matter effects
A. Adare, S. Afanasiev, C. Aidala +491
The three Upsilon states, Upsilon(1S+2S+3S), are measured in d+Au and p+p collisions at sqrt(s_NN)=200 GeV and rapidities 1.2<|y|<2.2 by the PHENIX experiment at the Relativistic H…
Centrality categorization for R_{p(d)+A} in high-energy collisions
A. Adare, C. Aidala, N. N. Ajitanand +374
High-energy proton- and deuteron-nucleus collisions provide an excellent tool for studying a wide array of physics effects, including modifications of parton distribution functions…
High p_T Direct Photon and pi^0 Triggered Azimuthal Jet Correlations in sqrt(s)=200 GeV p+p Collisions
A. Adare, S. Afanasiev, C. Aidala +428
Correlations of charged hadrons of 1 < pT < 10 GeV/c with high pT direct photons and pi^ 0 mesons in the range 5 <pT < 15 GeV/c are used to study jet fragmentation in the photon+je…
Cross Section and Parity Violating Spin Asymmetries of W^+/- Boson Production in Polarized p+p Collisions at sqrt(s)=500 GeV
A. Adare, S. Afanasiev, C. Aidala +371
Large parity violating longitudinal single spin asymmetries A^{e^-}_L= -0.86^{+0.14}_{-0.30} and A^{e^+}_L= 0.88^{+0.12}_{-0.71} are observed for inclusive high transverse momentum…
Cross section and double helicity asymmetry for eta mesons and their comparison to neutral pion production in p+p collisions at sqrt(s)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +429
Measurements of double-helicity asymmetries for inclusive hadron production in polarized p+p collisions are sensitive to helicity--dependent parton distribution functions, in parti…
Production of omega mesons in p+p, d+Au, Cu+Cu, and Au+Au collisions at sqrt(s_NN)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +538
The PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) has measured omega meson production via leptonic and hadronic decay channels in p+p, d+Au, Cu+Cu, and Au+Au coll…
Deviation from quark-number scaling of the anisotropy parameter v_2 of pions, kaons, and protons in Au+Au collisions at sqrt(s_NN) = 200 GeV
A. Adare, S. Afanasiev, C. Aidala +381
Measurements of the anisotropy parameter v_2 of identified hadrons (pions, kaons, and protons) as a function of centrality, transverse momentum p_T, and transverse kinetic energy K…
Cross section for production via dielectrons in dAu collisions at GeV
A. Adare, C. Aidala, N. N. Ajitanand +372
We report a measurement of pairs from semileptonic heavy-flavor decays in Au collisions at GeV. Exploring the mass and transverse-momentum dep…
Measurement of emission angle anisotropy via long-range angular correlations with high hadrons in Au and collisions at GeV
A. Adare, C. Aidala, N. N. Ajitanand +470
We present measurements of two-particle angular correlations between high-transverse-momentum ( GeV/) observed at midrapidity () and particles produc…
Double Spin Asymmetry of Electrons from Heavy Flavor Decays in p+p Collisions at sqrt(s)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +381
We report on the first measurement of double-spin asymmetry, A_LL, of electrons from the decays of hadrons containing heavy flavor in longitudinally polarized p+p collisions at sqr…
Inclusive cross sections, charge ratio and double-helicity asymmetries for and production in collisions at =200 GeV
A. Adare, C. Aidala, N. N. Ajitanand +378
We present the midrapidity charged pion invariant cross sections and the ratio of -to- production ( GeV/), together with the double-helicity asymmetries ($…
Measurement of neutral mesons in p+p collisions at sqrt(s) = 200 GeV and scaling properties of hadron production
A. Adare, S. Afanasiev, C. Aidala +428
The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the invariant differential cross section for production of K^0_S , Ï, ηprime, and Ïmesons in p + p coll…
Cold-nuclear-matter effects on heavy-quark production at forward and backward rapidity in d+Au collisions at sqrt(s_NN)=200 GeV
A. Adare, C. Aidala, N. N. Ajitanand +421
The PHENIX experiment has measured open heavy-flavor production via semileptonic decay muons over the transverse momentum range 1 < pT < 6 GeV/c at forward and backward rapidity (1…
Identified charged hadron production in p+p collisions at sqrt(s)=200 and 62.4 GeV
A. Adare, S. Afanasiev, C. Aidala +428
Transverse momentum distributions and yields for , , and in collisions at =200 and 62.4 GeV at midrapidity are measured by the PHEN…
Nuclear modification of psi^prime, chi_c and J/psi production in d+Au collisions at sqrt(s_NN) = 200 GeV
A. Adare, C. Aidala, N. N. Ajitanand +373
We present results for three charmonia states (psi^prime, chi_c and J/psi) in d+Au collisions at |y|<0.35 and sqrt(s_NN)=200 GeV. We find that the modification of the psi^prime yie…
Measurement of higher cumulants of net-charge multiplicity distributions in AuAu collisions at GeV
A. Adare, S. Afanasiev, C. Aidala +509
We report the measurement of cumulants () of the net-charge distributions measured within pseudorapidity () in AuAu collisions at $\sqrt{s_{_{NN}}}=7…
Direct photon production in d+Au collisions at sqrt(s_NN)=200 GeV
A. Adare, S. S. Adler, S. Afanasiev +543
Direct photons have been measured in sqrt(s_NN)=200 GeV d+Au collisions at midrapidity. A wide p_T range is covered by measurements of nearly-real virtual photons (1<p_T<6 GeV/c) a…
Cross sections of mesons in collisions at forward rapidity at GeV and central rapidity at GeV
PHENIX Collaboration, N. J. Abdulameer, U. Acharya +497
We present the first measurements of the forward and midrapidity -meson cross sections from collisions at and ~GeV, respectively. We also report t…
Measurements of pairs from open heavy flavor in + and + collisions at GeV
A. Adare, S. Afanasiev, C. Aidala +505
We report a measurement of pairs from semileptonic heavy-flavor decays in + collisions at ~GeV. The pair yield from and $c\bar…
Cross Section and Transverse Single-Spin Asymmetry of Mesons in Collisions at GeV at Forward Rapidity
A. Adare, C. Aidala, N. N. Ajitanand +482
We present a measurement of the cross section and transverse single-spin asymmetry () for mesons at large pseudorapidity from ~GeV collisio…
Low-mass vector-meson production at forward rapidity in collisions at GeV
A. Adare, C. Aidala, N. N. Ajitanand +467
The PHENIX experiment at the Relativistic Heavy Ion Collider has measured low mass vector meson, , , and , production through the dimuon decay channel at forward rapidi…
meson production in the forward/backward rapidity region in CuAu collisions at GeV
A. Adare, C. Aidala, N. N. Ajitanand +509
The PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) has measured meson production and its nuclear modification in asymmetric CuAu heavy-ion collisions at $\…
Measurement of (1S+2S+3S) production in and AuAu collisions at GeV
A. Adare, S. Afanasiev, C. Aidala +503
Measurements of bottomonium production in heavy ion and collisions at the Relativistic Heavy Ion Collider (RHIC) are presented. The inclusive yield of the three stat…
Transverse momentum dependence of eta meson suppression in Au+Au collisions at sqrt(s_NN) = 200 GeV
A. Adare, S. Afanasiev, C. Aidala +424
New measurements by the PHENIX experiment at RHIC for eta production at midrapidity as a function of transverse momentum (p_T) and collision centrality in sqrt(s_NN) = 200 GeV Au+A…
Azimuthal anisotropy of pi^0 and eta mesons in Au+Au collisions at sqrt(s_NN)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +381
The azimuthal anisotropy coefficients v_2 and v_4 of pi^0 and eta mesons are measured in Au+Au collisions at sqrt(s_NN)=200 GeV, as a function of transverse momentum p_T (1-14 GeV/…
Ground and excited charmonium state production in p+p collisions at sqrt(s)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +444
We report on charmonium measurements [J/psi(1S), psi'(2S), and chi_c(1P)] in p+p collisions at sqrt(s)=200 GeV. We find that the fraction of J/psi coming from the feed-down decay o…