N. Kulathunga

Longitudinal Double-Spin Asymmetries for Dijet Production at Intermediate Pseudorapidity in Polarized $pp$ Collisions at $s$ = 200 GeV

J. Adam, L. Adamczyk, J. R. Adams +340

We present the first measurements of the longitudinal double-spin asymmetry $A_{LL}$ for dijets with at least one jet reconstructed within the pseudorapidity range $0.8 < I^\cdot < 1.8$ .…

hep-ex2017

Measurement of the cross section and longitudinal double-spin asymmetry for di-jet production in polarized $pp$ collisions at $s$ = 200 GeV

STAR Collaboration, L. Adamczyk, J. K. Adkins +341

We report the first measurement of the longitudinal double-spin asymmetry $A_{LL}$ for mid-rapidity di-jet production in polarized $pp$ collisions at a center-of-mass energy of $\s…

Transverse spin-dependent azimuthal correlations of charged pion pairs measured in p $^{↑}$ +p collisions at $s$ = 500 GeV

STAR Collaboration, L. Adamczyk, J. R. Adams +344

The transversity distribution, which describes transversely polarized quarks in transversely polarized nucleons, is a fundamental component of the spin structure of the nucleon, an…

Improved measurement of the longitudinal spin transfer to $I^$ and $I^ˉ $ hyperons in polarized proton-proton collisions at $s$ = 200 GeV

J. Adam, L. Adamczyk, J. R. Adams +346

The longitudinal spin transfer $D_{LL}$ to $I^$ and $I^ˉ $ hyperons produced in high-energy polarized proton--proton collisions is expected to be sensitive to the helicity distri…

Measurements of Dielectron Production in Au $+$ Au Collisions at $s_{N N}$ = 27, 39, and 62.4 GeV from the STAR Experiment

STAR Collaboration, J. Adam, L. Adamczyk +350

We report systematic measurements of dielectron ( $e^{\pm} e^{\pm}$ ) invariant-mass $M_{ee}$ spectra at mid-rapidity in Au+Au collisions at $s_{N N}$ = 27, 39, and 62.4 GeV tak…

Collision Energy Dependence of Moments of Net-Kaon Multiplicity Distributions at RHIC

STAR Collaboration, L. Adamczyk, J. R. Adams +343

Fluctuations of conserved quantities such as baryon number, charge, and strangeness are sensitive to the correlation length of the hot and dense matter created in relativistic heav…

Azimuthal anisotropy in Cu+Au collisions at $s_{_{N N}}$ = 200 GeV

STAR Collaboration, L. Adamczyk, J. R. Adams +345

The azimuthal anisotropic flow of identified and unidentified charged particles has been systematically studied in Cu+Au collisions at $s_{_{N N}}$ = 200 GeV for harmonics $n…

Beam-Energy Dependence of Directed Flow of $I^$ , $I^ˉ $ , $K^{\pm}$ , $K_{s}^{0}$ and $I ¨ $ in Au+Au Collisions

STAR Collaboration, L. Adamczyk, J. R. Adams +342

Rapidity-odd directed flow measurements at midrapidity are presented for $I^$ , $I^ˉ $ , $K^{\pm}$ , $K_{s}^{0}$ and $I ¨ $ at $s_{N N} =$ 7.7, 11.5, 14.5, 19.6, 27, 39, 62.4 and 200…

Low- $p_{T}$ $e^{+} e^{-}$ pair production in Au $+$ Au collisions at $s_{N N}$ = 200 GeV and U $+$ U collisions at $s_{N N}$ = 193 GeV at STAR

J. Adam, L. Adamczyk, J. R. Adams +341

We report first measurements of $e^{+} e^{-}$ pair production in the mass region 0.4 $< M_{ee} <$ 2.6 GeV/ $c^{2}$ at low transverse momentum ( $p_{T} <$ 0.15 GeV/ $c$ ) in non-central Au $+$ …

Beam energy dependence of rapidity-even dipolar flow in Au+Au collisions

STAR Collaboration, J. Adam, L. Adamczyk +341

New measurements of directed flow for charged hadrons, characterized by the Fourier coefficient \vone, are presented for transverse momenta $p_{T}$ , and centrality intervals…

Measurement of $D^{0}$ 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 ( $v_{2}$ ) of the charm meson $D^{0}$ at mid-rapidity ( $∣ y ∣$ \, $<$ \,1) in Au+Au collisions at \sNN = 200\,GeV. The measurement…

Global polarization of $I^$ hyperons in Au+Au collisions at $s_{_{N N}}$ = 200 GeV

J. Adam, L. Adamczyk, J. R. Adams +340

Global polarization of $I^$ hyperons has been measured to be of the order of a few tenths of a percent in Au+Au collisions at $s_{_{N N}}$ = 200 GeV, with no significant diff…

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 $s_{NN} = 7.7$ to 200 GeV using the STAR detector…

Erratum: Observation of $D^{0}$ meson nuclear modifications in Au+Au collisions at $s_{_{NN}}$ = 200 GeV

STAR Collaboration, J. Adam, L. Adamczyk +346

In this erratum we report changes on the $D^{0}$ $p_{T}$ spectra and nuclear modification factor ( $R_{AA}$ ) in Au+Au collisions at $s_{_{NN}}$ = 200 GeV by fixing the e…

hep-ex2017

Azimuthal transverse single-spin asymmetries of inclusive jets and charged pions within jets from polarized-proton collisions at $s = 500$ GeV

STAR Collaboration, L. Adamczyk, J. R. Adams +342

We report the first measurements of transverse single-spin asymmetries for inclusive jet and jet + $I ¨ ^{\pm}$ production at midrapidity from transversely polarized proton-proton co…

Measurements of jet quenching with semi-inclusive hadron+jet distributions in Au+Au collisions at $s_{N N}$ = 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…

hep-ex2017

Elliptic flow of electrons from heavy-flavor hadron decays in Au+Au collisions at $s_{NN} =$ 200, 62.4, and 39 GeV

STAR Collaboration, L. Adamczyk, J. K. Adkins +342

We present measurements of elliptic flow ( $v_{2}$ ) of electrons from the decays of heavy-flavor hadrons ( $e_{H F}$ ) by the STAR experiment. For Au+Au collisions at $\sqrt{s_{\rm NN}}…

Transverse spin transfer to $I^$ and $I^ˉ $ hyperons in polarized proton-proton collisions at $s = 200 GeV$

STAR Collaboration, J. Adam, L. Adamczyk +345

The transverse spin transfer from polarized protons to $I^$ and $I^ˉ $ hyperons is expected to provide sensitivity to the transversity distribution of the nucleon and to the tran…

Correlation Measurements Between Flow Harmonics in Au+Au Collisions at RHIC

STAR Collaboration, J. Adam, L. Adamczyk +341

Flow harmonics ( $v_{n}$ ) in the Fourier expansion of the azimuthal distribution of particles are widely used to quantify the anisotropy in particle emission in high-energy heavy-ion…

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 $s_{N N} =$ 7.7, 11.5, 19.6, 27, and 39 GeV using identified hadrons ( $I ¨ ^{\pm}$ , $K^\pm…

Beam Energy Dependence of Jet-Quenching Effects in Au+Au Collisions at $s_{_{NN}}$ = 7.7, 11.5, 14.5, 19.6, 27, 39, and 62.4 GeV

STAR Collaboration, L. Adamczyk, J. R. Adams +338

We report measurements of the nuclear modification factor, $R_{CP}$ , for charged hadrons as well as identified $I ¨ ^{+ (-)}$ , $K^{+ (-)}$ , and $p (p)$ for Au+Au co…

$J / I ¨ $ production cross section and its dependence on charged-particle multiplicity in $p + p$ collisions at $s$ = 200 GeV

STAR Collaboration, J. Adam, L. Adamczyk +341

We present a measurement of inclusive $J / I ¨ $ production at mid-rapidity ( $∣ y ∣ < 1$ ) in $p + p$ collisions at a center-of-mass energy of $s$ = 200 GeV with the STAR experiment at…

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 $m, n = 1 - 3$ for charged particles in $s_{N N} =$ 200 GeV Au+Au coll…

Coherent diffractive photoproduction of $I ¨ ^{0}$ mesons on gold nuclei at RHIC

STAR Collaboration, L. Adamczyk, J. K. Adkins +342

The STAR Collaboration reports on the photoproduction of $I ¨ ^{+} I ¨ ^{-}$ pairs in gold-gold collisions at a center-of-mass energy of 200 GeV/nucleon-pair. These pion pairs are produced…