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Simulation studies of and correlation functions in pp collisions with the PYTHIA and HERWIG models
Baidyanath Sahoo, Basanta Kumar Nandi, Prabhat Pujahari +2
We report studies of charge-independent (CI) and charge-dependent (CD) two-particle differential-number correlation functions, , and transverse momentum ($p_{\r…
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 …
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…
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…
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…
Correcting Correlation Function Measurements
Shantam Ravan, Prabhat Pujahari, Sidharth Prasad +1
Correlation functions measured as a function of have emerged as a powerful tool to study the dynamics of particle production in nuclear collisions at high energy. They are…
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…
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 (σ), skewness (S), and kurtosis (κ) of the net-prot…
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…
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…
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…
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…
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…
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…
Studies of di-jets in Au+Au collisions using angular correlations with respect to back-to-back leading hadrons
Hua Pei
Jet-medium interactions are studied via a multi-hadron correlation technique (called "2+1"), where a pair of back-to-back hadron triggers with large transverse momentum is used as…
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…
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…
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}} =…
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}, and…
-vector meson elliptic flow () in collisions at GeV in STAR at RHIC
Prabhat Pujahari
The first measurement of the - vector meson elliptic flow at mid-rapidity ( 0.5) in centrality in collisions at $\sqrt{s_{NN}} = 200…
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…
Scaling properties at freeze-out in relativistic heavy ion collisions
STAR Collaboration, M. M. Aggarwal
Identified charged pion, kaon, and proton spectra are used to explore the system size dependence of bulk freeze-out properties in Cu+Cu collisions at =200 and 62.4 G…
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…
Measurement of the Bottom contribution to non-photonic electron production in collisions at =200 GeV
STAR Collaboration, M. M. Aggarwal
The contribution of meson decays to non-photonic electrons, which are mainly produced by the semi-leptonic decays of heavy flavor mesons, in collisions at 20…