Publications (74)
Measurement of the transverse single-spin asymmetry in at RHIC
STAR Collaboration, L. Adamczyk, J. K. Adkins +326
We present the measurement of the transverse single-spin asymmetry of weak boson production in transversely polarized proton-proton collisions at by the…
Charged-to-neutral correlation at forward rapidity in Au+Au collisions at =200 GeV
STAR Collaboration, N. M. Abdelwahab, L. Adamczyk +345
Event-by-event fluctuations of the ratio of inclusive charged to photon multiplicities at forward rapidity in Au+Au collision at =200 GeV have been studied. Dominant…
Effect of event selection on jetlike correlation measurement in +Au collisions at GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +327
Dihadron correlations are analyzed in GeV +Au collisions classified by forward charged particle multiplicity and zero-degree neutral energy in the A…
K*0 production in Cu+Cu and Au+Au collisions at \sqrt{s_NN} = 62.4 GeV and 200 GeV
M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants +383
We report on K*0 production at mid-rapidity in Au+Au and Cu+Cu collisions at \sqrt{s_{NN}} = 62.4 and 200 GeV collected by the Solenoid Tracker at RHIC (STAR) detector. The K*0 is…
Observation of charge asymmetry dependence of pion elliptic flow and the possible chiral magnetic wave in heavy-ion collisions
STAR Collaboration, L. Adamczyk, J. K. Adkins +327
We present measurements of and elliptic flow, , at midrapidity in Au+Au collisions at 200, 62.4, 39, 27, 19.6, 11.5 and 7.7 GeV, as a fu…
An Experimental Exploration of the QCD Phase Diagram: The Search for the Critical Point and the Onset of De-confinement
STAR Collaboration, M. M. Aggarwal, Z. Ahammed +380
The QCD phase diagram lies at the heart of what the RHIC Physics Program is all about. While RHIC has been operating very successfully at or close to its maximum energy for almost…
Observation of an energy-dependent difference in elliptic flow between particles and anti-particles in relativistic heavy ion collisions
L. Adamczyk, J. K. Adkins, G. Agakishiev +362
Elliptic flow () values for identified particles at mid-rapidity in Au+Au collisions, measured by the STAR experiment in the Beam Energy Scan at RHIC at 7.7…
Higher Moments of Net-proton Multiplicity Distributions at RHIC
M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants +380
We report the first measurements of the kurtosis (κ), skewness (S) and variance (Ï^2) of net-proton multiplicity (N_p - N_pbar) distributions at midrapidity for Au+Au collisions…
Measurements of jet quenching with semi-inclusive hadron+jet distributions in Au+Au collisions at = 200 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +341
The STAR Collaboration reports the measurement of semi-inclusive distributions of charged-particle jets recoiling from a high transverse momentum hadron trigger, in central and per…
production at low transverse momentum in p+p and d+Au collisions at = 200 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +328
We report on the measurement of production in the dielectron channel at mid-rapidity (|y|<1) in p+p and d+Au collisions at = 200 GeV from the STAR exper…
Neutral pion cross section and spin asymmetries at intermediate pseudorapidity in polarized proton collisions at sqrt{s} = 200 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +360
The differential cross section and spin asymmetries for neutral pions produced within the intermediate pseudorapidity range 0.8 < η < 2.0 in polarized proton-proton collisions at…
Directed and elliptic flow of charged particles in Cu+Cu collisions at 22.4 GeV
G. Agakishiev, M. M. Aggarwal, Z. Ahammed +366
This paper reports results for directed flow and elliptic flow of charged particles in Cu+Cu collisions at 22.4 GeV at the Relativistic Heavy Ion C…
Dielectron Mass Spectra from Au+Au Collisions at = 200 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +350
We report the STAR measurements of dielectron () production at midrapidity (1) in Au+Au collisions at = 200\,GeV. The measurements are evalua…
Upsilon production in U+U collisions at 193 GeV with the STAR experiment
STAR Collaboration, L. Adamczyk, J. K. Adkins +335
We present a measurement of the inclusive production of Upsilon mesons in U+U collisions at 193 GeV at mid-rapidity (|y| < 1). Previous studies in central Au+Au collisions at 200 G…
Upsilon cross section in p+p collisions at sqrt(s) = 200 GeV
STAR Collaboration, B. I. Abelev, M. M. Aggarwal +381
We report on a measurement of the Upsilon(1S+2S+3S) -> e+e- cross section at midrapidity in p+p collisions at sqrt(s)=200 GeV. We find the cross section to be 114 +/- 38 (stat.) +2…
Longitudinal and transverse spin asymmetries for inclusive jet production at mid-rapidity in polarized p+p collisions at sqrt{s}=200 GeV
The STAR Collaboration, L. Adamczyk, G. Agakishiev +369
We report STAR measurements of the longitudinal double-spin asymmetry A_LL, the transverse single-spin asymmetry A_N, and the transverse double-spin asymmetries A_Sigma and A_TT fo…
Studies of di-jet survival and surface emission bias in Au+Au collisions via angular correlations with respect to back-to-back leading hadrons
H. Agakishiev, M. M. Aggarwal, Z. Ahammed +373
We report first results from an analysis based on a new multi-hadron correlation technique, exploring jet-medium interactions and di-jet surface emission bias at RHIC. Pairs of bac…
Double Spin Asymmetries A_NN and A_SS at sqrt{s}=200 GeV in Polarized Proton-Proton Elastic Scattering at RHIC
pp2pp Collaboration, S. Bultmann, I. H. Chiang +34
We present the first measurements of the double spin asymmetries A_NN and A_SS at sqrt{s}=200 GeV, obtained by the pp2pp experiment using polarized proton beams at the Relativistic…
polarization in p+p collisions at = 200 GeV in STAR
STAR Collaboration, L. Adamczyk, J. K. Adkins +353
We report on a polarization measurement of inclusive mesons in the di-electron decay channel at mid-rapidity at 2 6 GeV/ in collisions at = 200…
Isolation of Flow and Nonflow Correlations by Two- and Four-Particle Cumulant Measurements of Azimuthal Harmonics in 200 GeV Au+Au Collisions
N. M. Abdelwahab, L. Adamczyk, J. K. Adkins +344
A data-driven method was applied to measurements of Au+Au collisions at 200 GeV made with the STAR detector at RHIC to isolate pseudorapidity distance $ÎÎ…
Charge-dependent directed flow in Cu+Au collisions at = 200 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +337
We present the first measurement of charge-dependent directed flow in Cu+Au collisions at = 200 GeV. The results are presented as a function of the particle tran…
Measurement of azimuthal anisotropy at mid-rapidity in Au+Au collisions at \sNN = 200\,GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +340
We report the first measurement of the elliptic anisotropy () of the charm meson at mid-rapidity (\,\,1) in Au+Au collisions at \sNN = 200\,GeV. The measurement…
Energy Dependence of , , and Fluctuations in Au+Au Collisions from = 7.7 to 200 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +329
A search for the quantum chromodynamics (QCD) critical point was performed by the STAR experiment at the Relativistic Heavy Ion Collider, using dynamical fluctuations of unlike par…
Di-electron spectrum at mid-rapidity in collisions at GeV
L. Adamczyk, G. Agakishiev, M. M. Aggarwal +368
We report on mid-rapidity mass spectrum of di-electrons and cross sections of pseudoscalar and vector mesons via decays, from GeV collisions, me…
Fluctuations of charge separation perpendicular to the event plane and local parity violation in sqrt(sNN)=200 GeV Au+Au collisions at RHIC
STAR Collaboration, L. Adamczyk, J. K. Adkins +363
Previous experimental results based on data (15 million events) collected by the STAR detector at RHIC suggest event-by-event charge separation fluctuations perpendicular to the ev…
Harmonic decomposition of three-particle azimuthal correlations at RHIC
STAR Collaboration, L. Adamczyk, J. K. Adkins +340
We present measurements of three-particle correlations for various harmonics in Au+Au collisions at energies ranging from to 200 GeV using the STAR detector…
Energy and system-size dependence of two- and four-particle measurements in heavy-ion collisions at RHIC and their implications on flow fluctuations and nonflow
The STAR Collaboration, G. Agakishiev, M. M. Aggarwal +344
We present STAR measurements of azimuthal anisotropy by means of the two- and four-particle cumulants ( and ) for Au+Au and Cu+Cu collisions at center of…
Elliptic flow of electrons from heavy-flavor hadron decays in Au+Au collisions at 200, 62.4, and 39 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +342
We present measurements of elliptic flow () of electrons from the decays of heavy-flavor hadrons () by the STAR experiment. For Au+Au collisions at $\sqrt{s_{\rm NN}}…
Energy dependence of acceptance-corrected dielectron excess mass spectrum at mid-rapidity in Au+Au collisions at and 200 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +331
The acceptance-corrected dielectron excess mass spectra, where the known hadronic sources have been subtracted from the inclusive dielectron mass spectra, are reported for the firs…
Energy Dependence of Moments of Net-proton Multiplicity Distributions at RHIC
STAR Collaboration, L. Adamczyk, J. K. Adkins +352
We report the beam energy (\sqrt s_{NN} = 7.7 - 200 GeV) and collision centrality dependence of the mean (M), standard deviation (Ï), skewness (S), and kurtosis (κ) of the net-pr…
Measurement of the and $Z/γ^* \to e^+e^-$ Production Cross Sections at Mid-rapidity in Proton-Proton Collisions at = 500 GeV
STAR Collaboration, G. Agakishiev, M. M. Aggarwal +346
We report measurements of the charge-separated and $Z/γ^* \to e^+e^-$ production cross sections at mid-rapidity in proton-proton collision…
Near-side azimuthal and pseudorapidity correlations using neutral strange baryons and mesons in d+Au, Cu+Cu and Au+Au collisions at = 200 GeV
STAR Collaboration, B. Abelev, L. Adamczyk +333
We present measurements of the near-side of triggered di-hadron correlations using neutral strange baryons (, ) and mesons () at intermediate transverse momentum…
Suppression of Upsilon Production in d+Au and Au+Au Collisions at sqrt(s_NN) = 200 GeV
L. Adamczyk, J. K. Adkins, G. Agakishiev +354
We report measurements of Upsilon meson production in p+p, d+Au, and Au+Au collisions using the STAR detector at RHIC. We compare the Upsilon yield to the measured cross section in…
System size dependence of transverse momentum correlations at 62.4 and 200 GeV at the BNL Relativistic Heavy Ion Collider
STAR Collaboration, L. Adamczyk, J. K. Adkins +363
We present a study of the average transverse momentum () fluctuations and correlations for charged particles produced in Cu+Cu collisions at midrapidity for $\sqrt{s_{NN…
Beam energy dependent two-pion interferometry and the freeze-out eccentricity of pions in heavy ion collisions at STAR
STAR Collaboration, L. Adamczyk, J. K. Adkins +353
We present results of analyses of two-pion interferometry in Au+Au collisions at = 7.7, 11.5, 19.6, 27, 39, 62.4 and 200 GeV measured in the STAR detector as part o…
System size and energy dependence of near-side di-hadron correlations
STAR Collaboration, G. Agakishiev, M. M. Aggarwal +353
Two-particle azimuthal () and pseudorapidity () correlations using a trigger particle with large transverse momentum () in +Au, Cu+Cu and Au+Au collisions at $\…
Elliptic flow of identified hadrons in Au+Au collisions at 7.7--62.4 GeV
L. Adamczyk, J. K. Adkins, G. Agakishiev +362
Measurements of the elliptic flow, , of identified hadrons (, , , , , , , , , , , $\bar…
Third Harmonic Flow of Charged Particles in Au+Au Collisions at sqrtsNN = 200 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +359
We report measurements of the third harmonic coefficient of the azimuthal anisotropy, v_3, known as triangular flow. The analysis is for charged particles in Au+Au collisions at sq…
Measurement of elliptic flow of light nuclei at = 200, 62.4, 39, 27, 19.6, 11.5, and 7.7 GeV at RHIC
STAR Collaboration, L. Adamczyk, J. K. Adkins +329
We present measurements of 2 order azimuthal anisotropy () at mid-rapidity for light nuclei d, t, He (for = 200, 62.4, 39, 27, 19.6,…
Weak decays of 4He-Lambda
J. D. Parker, M. J. Athanas, P. D. Barnes +16
We measured the lifetime and the mesonic and non-mesonic decay rates of the 4He-Lambda hypernucleus. The hypernuclei were created using a 750 MeV/c momentum K- beam on a liquid 4He…
Beam Energy Dependence of the Third Harmonic of Azimuthal Correlations in Au+Au Collisions at RHIC
STAR Collaboration, L. Adamczyk, J. K. Adkins +328
We present results from a harmonic decomposition of two-particle azimuthal correlations measured with the STAR detector in Au+Au collisions for energies ranging from $\sqrt{s_{NN}}…
Jet-Hadron Correlations in sqrt{s_{NN}} = 200 GeV p+p and Central Au+Au Collisions
STAR Collaboration, L. Adamczyk, J. K. Adkins +351
Azimuthal angular correlations of charged hadrons with respect to the axis of a reconstructed (trigger) jet in Au+Au and p+p collisions at i…
Measurements of Dihadron Correlations Relative to the Event Plane in Au+Au Collisions at GeV
H. Agakishiev, M. M. Aggarwal, Z. Ahammed +366
Dihadron azimuthal correlations containing a high transverse momentum () trigger particle are sensitive to the properties of the nuclear medium created at RHIC through the str…
Observation of Transverse Spin-Dependent Azimuthal Correlations of Charged Pion Pairs in at GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +325
We report the observation of transverse polarization-dependent azimuthal correlations in charged pion pair production with the STAR experiment in collisions at RHIC.…
Measurement of longitudinal spin asymmetries for weak boson production in polarized proton-proton collisions at RHIC
STAR Collaboration, L. Adamczyk, J. K. Adkins +355
We report measurements of single- and double- spin asymmetries for and $Z/γ^*$ boson production in longitudinally polarized collisions at GeV by t…
Long-range pseudorapidity dihadron correlations in +Au collisions at GeV
L. Adamczyk, J. K. Adkins, G. Agakishiev +329
Dihadron angular correlations in +Au collisions at GeV are reported as a function of the measured zero-degree calorimeter neutral energy and the forward…
Strangeness Enhancement in Cu+Cu and Au+Au Collisions at \sqrt{s_{NN}} = 200 GeV
STAR Collaboration, H. Agakishiev, M. M. Aggarwal +369
We report new STAR measurements of mid-rapidity yields for the , , , , , , particles in Cu+Cu collisions at \sNN{200…
Azimuthal anisotropy in U+U and Au+Au collisions at RHIC
STAR Collaboration, L. Adamczyk, J. K. Adkins +325
Collisions between prolate uranium nuclei are used to study how particle production and azimuthal anisotropies depend on initial geometry in heavy-ion collisions. We report the two…
Beam-Energy Dependence of Directed Flow of Protons, Antiprotons and Pions in Au+Au Collisions
STAR Collaboration, L. Adamczyk, J. K. Adkins +351
Rapidity-odd directed flow() measurements for charged pions, protons and antiprotons near mid-rapidity () are reported in 7.7, 11.5, 19.6, 27, 39, 62.4…
Freeze-out Dynamics via Charged Kaon Femtoscopy in sqrt(sNN)=200 GeV Central Au+Au Collisions
STAR Collaboration, L. Adamczyk, J. K. Adkins +363
We present measurements of three-dimensional correlation functions of like-sign low transverse momentum kaon pairs from sqrt(sNN)=200 GeV Au+Au collisions. A Cartesian surface-sphe…
Di-Jet Imbalance Measurements at GeV at STAR
STAR Collaboration, L. Adamczyk, J. K. Adkins +334
We report the first di-jet transverse momentum asymmetry measurements from Au+Au and p+p collisions at RHIC. The two highest-energy back-to-back jets reconstructed from fragments w…
A Storage Ring Experiment to Detect a Proton Electric Dipole Moment
V. Anastassopoulos, S. Andrianov, R. Baartman +88
A new experiment is described to detect a permanent electric dipole moment of the proton with a sensitivity of cm by using polarized "magic" momentum ~GeV/c pr…
Measurement of the cross section and longitudinal double-spin asymmetry for di-jet production in polarized collisions at = 200 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +341
We report the first measurement of the longitudinal double-spin asymmetry for mid-rapidity di-jet production in polarized collisions at a center-of-mass energy of $\s…
The meson decay measured with the STAR experiment in Au+Au collisions at = 200 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +328
We report the measurement of the leptonic () decay channel of the (1020) meson in Au+Au collisions at = 200 GeV by the STAR experiment. The trans…
Measurements of and Production in + Collisions at = 200 GeV
STAR Collaboration, L. Adamczyk, G. Agakishiev +368
We report measurements of charmed-hadron (, ) production cross sections at mid-rapidity in + collisions at a center-of-mass energy of 200 GeV by the STAR expe…
Measurement of Charge Multiplicity Asymmetry Correlations in High Energy Nucleus-Nucleus Collisions at 200 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +360
A study is reported of the same- and opposite-sign charge-dependent azimuthal correlations with respect to the event plane in Au+Au collisions at 200 GeV. The charge multiplicity a…
Di-Hadron Correlations with Identified Leading Hadrons in 200 GeV Au+Au and d+Au Collisions at STAR
STAR Collaboration, L. Adamczyk, J. K. Adkins +326
The STAR collaboration presents for the first time two-dimensional di-hadron correlations with identified leading hadrons in 200 GeV central Au+Au and minimum-bias d+Au collisions…
Pion femtoscopy in p+p collisions at sqrt(s)=200 GeV
M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants +380
The STAR Collaboration at RHIC has measured two-pion correlation functions from p+p collisions at sqrt(s)=200 GeV. Spatial scales are extracted via a femtoscopic analysis of the co…
Measurements of Dielectron Production in AuAu Collisions at = 200 GeV from the STAR Experiment
STAR Collaboration, L. Adamczyk, J. K. Adkins +325
We report on measurements of dielectron () production in AuAu collisions at a center-of-mass energy of 200 GeV per nucleon-nucleon pair using the STAR detector at RHIC.…
Anomalous centrality evolution of two-particle angular correlations from Au-Au collisions at = 62 and 200 GeV
STAR Collaboration, G. Agakishiev, M. M. Aggarwal +350
We present two-dimensional (2D) two-particle angular correlations on relative pseudorapidity and azimuth for charged particles from Au-Au collisions at $\sqrt{s_{\rm NN}}…
Single Spin Asymmetry in Polarized Proton-Proton Elastic Scattering at GeV
STAR Collaboration, L. Adamczyk, G. Agakishiev +365
We report a high precision measurement of the transverse single spin asymmetry at the center of mass energy GeV in elastic proton-proton scattering by the STAR…
Transverse Single-Spin Asymmetry and Cross-Section for pi0 and eta Mesons at Large Feynman-x in Polarized p+p Collisions at sqrt(s)=200 GeV
The STAR Collaboration, L. Adamczyk, G. Agakishiev +361
Measurements of the differential cross-section and the transverse single-spin asymmetry, A_N, vs. x_F for pi0 and eta mesons are reported for 0.4 < x_F < 0.75 at an average pseudor…
Azimuthal di-hadron correlations in d+Au and Au+Au collisions at GeV from STAR
STAR Collaboration, M. M. Aggarwal, Z. Ahammed +384
Yields, correlation shapes, and mean transverse momenta \pt{} of charged particles associated with intermediate to high-\pt{} trigger particles ($2.5 < \pt < 10$ \GeVc) in d+Au and…
Centrality and transverse momentum dependence of elliptic flow of multi-strange hadrons and meson in Au+Au collisions at = 200 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +327
We present high precision measurements of elliptic flow near midrapidity () for multi-strange hadrons and meson as a function of centrality and transverse momentum in…
Probing Parton Dynamics of QCD Matter with and Production
STAR Collaboration, L. Adamczyk, J. K. Adkins +326
We present measurements of and production at mid-rapidity from Au+Au collisions at nucleon-nucleon center-of-mass energies = 7.7, 11.5, 19.6, 27 and 39 Ge…
production at low in Au+Au and Cu+Cu collisions at = 200 GeV at STAR
STAR Collaboration, L. Adamczyk, J. K. Adkins +352
The $\jpsi$ $\pt$ spectrum and nuclear modification factor ($\raa$) are reported for $\pt < 5 \ \gevc$ and from 0\% to 60\% central Au+Au and Cu+Cu collisions at $\snn = 20…
Beam-energy dependence of charge separation along the magnetic field in Au+Au collisions at RHIC
STAR Collaboration, L. Adamczyk, J. K. Adkins +353
Local parity-odd domains are theorized to form inside a Quark-Gluon-Plasma (QGP) which has been produced in high-energy heavy-ion collisions. The local parity-odd domains manifest…
Bulk Properties of the Medium Produced in Relativistic Heavy-Ion Collisions from the Beam Energy Scan Program
STAR Collaboration, L. Adamczyk, J. K. Adkins +340
We present measurements of bulk properties of the matter produced in Au+Au collisions at 7.7, 11.5, 19.6, 27, and 39 GeV using identified hadrons (, $K^\pm…
Precision Measurement of the Longitudinal Double-spin Asymmetry for Inclusive Jet Production in Polarized Proton Collisions at GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +355
We report a new high-precision measurement of the mid-rapidity inclusive jet longitudinal double-spin asymmetry, , in polarized collisions at center-of-mass energy $\s…
Observation of meson nuclear modifications in Au+Au collisions at = 200 GeV
L. Adamczyk, J. K. Adkins, G. Agakishiev +352
We report the first measurement of charmed-hadron () production via the hadronic decay channel () in Au+Au collisions at …
Centrality dependence of identified particle elliptic flow in relativistic heavy ion collisions at sqrt(s)= 7.7--62.4 GeV
STAR Collaboration, L. Adamczyk, J. K. Adkins +332
Elliptic flow (v_2) values for identified particles at midrapidity in Au + Au collisions measured by the STAR experiment in the Beam Energy Scan at the Relativistic Heavy Ion Colli…
Constraining the initial conditions and temperature dependent transport with three-particle correlations in Au+Au collisions
STAR Collaboration, L. Adamczyk, J. K. Adkins +340
We present three-particle mixed-harmonic correlations $\la \cos (mÏ_a + nÏ_b - (m+n) Ï_c)\ra$ for harmonics for charged particles in 200 GeV Au+Au coll…
Energy dependence of production in Au+Au collisions at 39, 62.4 and 200 GeV
L. Adamczyk, J. K. Adkins, G. Agakishiev +329
The inclusive transverse momentum () spectra and nuclear modification factors are reported at midrapidity () in Au+Au collisions at 39, 62.4…
Coherent diffractive photoproduction of mesons on gold nuclei at RHIC
STAR Collaboration, L. Adamczyk, J. K. Adkins +342
The STAR Collaboration reports on the photoproduction of pairs in gold-gold collisions at a center-of-mass energy of 200 GeV/nucleon-pair. These pion pairs are produced…