M. Simko

Measurement of transverse single-spin asymmetries of $I ¨ ^{0}$ and electromagnetic jets at forward rapidity in 200 and 500 GeV transversely polarized proton-proton collisions

STAR Collaboration, J. Adam, L. Adamczyk +359

The STAR Collaboration reports measurements of the transverse single-spin asymmetry (TSSA) of inclusive $I ¨ ^{0}$ at center-of-mass energies ( $s$ ) of 200 GeV and 500 GeV in tran…

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…

Cumulants and Correlation Functions of Net-proton, Proton and Antiproton Multiplicity Distributions in Au+Au Collisions at energies available at the BNL Relativistic Heavy Ion Collider

STAR Collaboration, M. S. Abdallah, J. Adam +379

We report a systematic measurement of cumulants, $C_{n}$ , for net-proton, proton and antiproton multiplicity distributions, and correlation functions, $I^º_{n}$ , for proton and antipr…

Search for the Chiral Magnetic Effect with Isobar Collisions at $s_{N N}$ = 200 GeV by the STAR Collaboration at RHIC

STAR Collaboration, M. S. Abdallah, B. E. Aboona +383

The chiral magnetic effect (CME) is predicted to occur as a consequence of a local violation of $P$ and $C P$ symmetries of the strong interaction amidst a strong electro-…

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…

Centrality and transverse momentum dependence of elliptic flow of multi-strange hadrons and $I ¨ $ meson in Au+Au collisions at $s_{N N}$ = 200 GeV

STAR Collaboration, L. Adamczyk, J. K. Adkins +327

We present high precision measurements of elliptic flow near midrapidity ( $∣ y ∣ < 1.0$ ) for multi-strange hadrons and $I ¨ $ meson as a function of centrality and transverse momentum in…

Probing Parton Dynamics of QCD Matter with $I^c ◯$ and $I ¨ $ Production

STAR Collaboration, L. Adamczyk, J. K. Adkins +326

We present measurements of $I^c ◯$ and $I ¨ $ production at mid-rapidity from Au+Au collisions at nucleon-nucleon center-of-mass energies $s_{N N}$ = 7.7, 11.5, 19.6, 27 and 39 Ge…

Comparison of transverse single-spin asymmetries for forward $I ¨ ^{0}$ production in polarized $pp$ , $p Al$ and $p Au$ collisions at nucleon pair c.m. energy $s_{NN} = 200$ GeV

STAR Collaboration, J. Adam, L. Adamczyk +358

The STAR Collaboration reports a measurement of the transverse single-spin asymmetries, $A_{N}$ , for neutral pions produced in polarized proton collisions with protons ( $pp$ ), with…

First measurement of $I^_{c}$ baryon production in Au+Au collisions at $s_{NN}$ = 200 GeV

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

We report on the first measurement of the charmed baryon $I^_{c}^{\pm}$ production at midrapidity ( $∣ y ∣$ $<$ 1) in Au+Au collisions at $s_{N N}$ = 200 GeV collected by the STAR…

Measurement of D $^{0}$ -meson + hadron two-dimensional angular correlations in Au+Au collisions at $s_{NN} =$ 200 GeV

STAR Collaboration, J. Adam, L. Adamczyk +347

Open heavy flavor hadrons provide unique probes of the medium produced in ultra-relativistic heavy-ion collisions. Due to their increased mass relative to light-flavor hadrons, lon…

Differential measurements of jet substructure and partonic energy loss in Au $+$ Au collisions at $s_{NN} = 200$ GeV

STAR Collaboration, M. S. Abdallah, B. E. Aboona +382

The STAR collaboration presents jet substructure measurements related to both the momentum fraction and the opening angle within jets in \pp and \AuAu collisions at \sqrtsn $= 200$ …

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…

Investigation of the linear and mode-coupled flow harmonics in Au+Au collisions at $s_{N N}$ = 200 GeV

STAR Collaboration, J. Adam, L. Adamczyk +352

Flow harmonics ( $v_{n}$ ) of the Fourier expansion for the azimuthal distributions of hadrons are commonly employed to quantify the azimuthal anisotropy of particle product…

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

hep-ex2016

Energy dependence of $J / I ¨ $ production in Au+Au collisions at $s_{N N} =$ 39, 62.4 and 200 GeV

L. Adamczyk, J. K. Adkins, G. Agakishiev +329

The inclusive $J / I ¨ $ transverse momentum ( $p_{T}$ ) spectra and nuclear modification factors are reported at midrapidity ( $∣ y ∣ < 1.0$ ) in Au+Au collisions at $s_{N N} =$ 39, 62.4…

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…

Measurement of the transverse single-spin asymmetry in $p^{↑} + p \to W^{\pm} / Z^{0}$ 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 $s = 500 GeV$ by the…

nucl-ex2014

Charged-to-neutral correlation at forward rapidity in Au+Au collisions at $s_{N N}$ =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 $s_{N N}$ =200 GeV have been studied. Dominant…

hep-ex2019

Measurements of the transverse-momentum-dependent cross sections of $J / I ¨ $ production at mid-rapidity in proton+proton collisions at $s =$ 510 and 500 GeV with the STAR detector

STAR Collaboration, J. Adam, L. Adamczyk +343

We present measurements of the differential cross sections of inclusive $J / I ¨ $ meson production as a function of transverse momentum ( $p_{T}^{J / I ¨ }$ ) using the $I^¼^{+} I^¼^{-}$ and $…

Effect of event selection on jetlike correlation measurement in $d$ +Au collisions at $s_{NN} = 200$ GeV

STAR Collaboration, L. Adamczyk, J. K. Adkins +327

Dihadron correlations are analyzed in $s_{_{NN}} = 200$ GeV $d$ +Au collisions classified by forward charged particle multiplicity and zero-degree neutral energy in the A…

Invariant Jet Mass Measurements in $pp$ Collisions at $s = 200$ GeV at RHIC

STAR Collaboration, M. S. Abdallah, J. Adam +377

We present the first inclusive measurements of the invariant and SoftDrop jet mass in proton-proton collisions at $s = 200$ GeV at STAR. The measurements are fully corrected f…

Underlying event measurements in $p$ + $p$ collisions at $s = 200$ GeV at RHIC

STAR Collaboration, J. Adam, L. Adamczyk +347

Particle production sensitive to non-factorizable and non-perturbative processes that contribute to the underlying event associated with a high transverse momentum ( $p_{T}$ ) jet in…

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 $0.8 < I^\cdot < 1.8$ .…

Global $I^$ -hyperon polarization in Au+Au collisions at $s_{NN} = 3$ GeV

M. S. Abdallah, B. E. Aboona, J. Adam +383

Global hyperon polarization, $P_{H}$ , in Au+Au collisions over a large range of collision energy, $s_{NN}$ , was recently measured and successfully r…

Results on Total and Elastic Cross Sections in Proton-Proton Collisions at $s = 200$ GeV

STAR Collaboration, J. Adam, L. Adamczyk +352

We report results on the total and elastic cross sections in proton-proton collisions at $s = 200$ GeV obtained with the Roman Pot setup of the STAR experiment at the Relativi…

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 $I ¨ ^{-}$ and $I ¨ ^{+}$ elliptic flow, $v_{2}$ , at midrapidity in Au+Au collisions at $s_{_{NN}} =$ 200, 62.4, 39, 27, 19.6, 11.5 and 7.7 GeV, as a fu…

Beam energy dependence of net- $I^$ fluctuations measured by the STAR experiment at RHIC

STAR Collaboration, J. Adam, L. Adamczyk +347

The measurements of particle multiplicity distributions have generated considerable interest in understanding the fluctuations of conserved quantum numbers in the Quantum Chromodyn…

Measurement of cold nuclear matter effects for inclusive $J / I ¨ $ in $p$ +Au collisions at $s_{_{NN}}$ = 200 GeV

STAR Collaboration, M. S. Abdallah, B. E. Aboona +383

Measurement by the STAR experiment at RHIC of the cold nuclear matter (CNM) effects experienced by inclusive $J / I ¨ $ at mid-rapidity in 0-100\% $p$ +Au collisions at $\sqrt{s_{_{\mat…

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…

Non-monotonic energy dependence of net-proton number fluctuations

STAR Collaboration, J. Adam, L. Adamczyk +347

Non-monotonic variation with collision energy ( $s_{NN}$ ) of the moments of the net-baryon number distribution in heavy-ion collisions, related to the correlation length…

Longitudinal double-spin asymmetry for inclusive jet and dijet production in polarized proton collisions at $s = 200$ GeV

STAR Collaboration, M. S. Abdallah, J. Adam +378

We report high-precision measurements of the longitudinal double-spin asymmetry, $A_{LL}$ , for midrapidity inclusive jet and dijet production in polarized $pp$ collisions at a cent…

Measurement of inclusive charged-particle jet production in Au+Au collisions at $s_{N N}$ =200 GeV

STAR Collaboration, J. Adam, L. Adamczyk +352

The STAR Collaboration at the Relativistic Heavy Ion Collider reports the first measurement of inclusive jet production in peripheral and central Au+Au collisions at $\sqrt{s_{NN}}…

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…

Measurement of Groomed Jet Substructure Observables in \pp Collisions at $s = 200$ GeV with STAR

STAR Collaboration, J. Adam, L. Adamczyk +348

In this letter, measurements of the shared momentum fraction ( $z_{g}$ ) and the groomed jet radius ( $R_{g}$ ), as defined in the SoftDrop algorihm, are reported in \pp coll…

Azimuthal harmonics in small and large collision systems at RHIC top energies

STAR Collaboration, J. Adam, L. Adamczyk +334

The first ( $v_{1}^{even}$ ), second ( $v_{2}$ ) and third ( $v_{3}$ ) harmonic coefficients of the azimuthal particle distribution at mid-rapidity, are extracted for charged hadrons an…

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…

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…

$J / I ¨ $ production at low transverse momentum in p+p and d+Au collisions at $s_{N N}$ = 200 GeV

STAR Collaboration, L. Adamczyk, J. K. Adkins +328

We report on the measurement of $J / I ¨ $ production in the dielectron channel at mid-rapidity (|y|<1) in p+p and d+Au collisions at $s_{N N}$ = 200 GeV from the STAR exper…

$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…

Methods for a blind analysis of isobar data collected by the STAR collaboration

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

In 2018, the STAR collaboration collected data from $_{44}^{96} R u +_{44}^{96} R u$ and $_{40}^{96} Z r +_{40}^{96} Z r$ at $s_{N N} = 200$ GeV to search for the presence of the chiral…

Measurement of the mass difference and the binding energy of the hypertriton and antihypertriton

STAR Collaboration, J. Adam, L. Adamczyk +340

According to the CPT theorem, which states that the combined operation of charge conjugation, parity transformation and time reversal must be conserved, particles and their antipar…

Probing the gluonic structure of the deuteron with $J / I ¨ $ photoproduction in d+Au ultra-peripheral collisions

STAR Collaboration, M. S. Abdallah, B. E. Aboona +388

Understanding gluon density distributions and how they are modified in nuclei are among the most important goals in nuclear physics. In recent years, diffractive vector meson produ…

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…

Strange hadron production in Au+Au collisions at $s_{_{NN}}$ = 7.7, 11.5, 19.6, 27, and 39 GeV

STAR Collaboration, J. Adam, L. Adamczyk +343

We present STAR measurements of strange hadron ( $K_{S}^{0}$ , $I^$ , $I^$ , $I^^{-}$ , $I^^{+}$ , $I^c ◯^{-}$ , $I^c ◯^{+}$ , and $I ¨ $ ) production at mid-rap…

Beam energy dependence of (anti-)deuteron production in Au+Au collisions at RHIC

J. Adam, L. Adamczyk, J. R. Adams +338

We report the energy dependence of mid-rapidity (anti-)deuteron production in Au+Au collisions at $s_{NN} =$ 7.7, 11.5, 14.5, 19.6, 27, 39, 62.4, and 200 GeV, measured…

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…

nucl-ex2014

Isolation of Flow and Nonflow Correlations by Two- and Four-Particle Cumulant Measurements of Azimuthal Harmonics in $s_{_{NN}} =$ 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 $s_{_{NN}} =$ 200 GeV made with the STAR detector at RHIC to isolate pseudorapidity distance $ÎÎ…

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…

Measurement of $e^{+} e^{-}$ Momentum and Angular Distributions from Linearly Polarized Photon Collisions

STAR Collaboration, M. S. Abdallah, B. E. Aboona +383

The Breit-Wheeler process which produces matter and anti-matter from photon collisions is investigated experimentally through the observation of 6085 exclusive electron-positron pa…

Charge-dependent directed flow in Cu+Au collisions at $s_{_{N N}}$ = 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 $s_{_{N N}}$ = 200 GeV. The results are presented as a function of the particle tran…

Azimuthal anisotropy measurements of strange and multistrange hadrons in U+U collisions at $s_{N N} = 193$ GeV at the BNL Relativistic Heavy Ion Collider

STAR Collaboration, M. S. Abdallah, J. Adam +381

We present systematic measurements of azimuthal anisotropy for strange and multistrange hadrons ( $K_{s}^{0}$ , $I^$ , $I^$ , and $I^c ◯$ ) and $I ¨ $ mesons at midrapidity ( $∣ y ∣ <$ 1.0) in…

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 $+$ …

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…

Measurement of the central exclusive production of charged particle pairs in proton-proton collisions at $s = 200$ GeV with the STAR detector at RHIC

STAR Collaboration, J. Adam, L. Adamczyk +352

We report on the measurement of the Central Exclusive Production of charged particle pairs $h^{+} h^{-}$ ( $h = I ¨ , K, p$ ) with the STAR detector at RHIC in proton-proton collisions…

Polarization of $I^$ ( $I^ˉ $ ) hyperons along the beam direction in Au+Au collisions at $s_{_{N N}}$ = 200 GeV

STAR Collaboration, J. Adam, L. Adamczyk +343

The $I^$ ( $I^ˉ $ ) hyperon polarization along the beam direction has been measured for the first time in Au+Au collisions at $s_{_{N N}}$ = 200 GeV. The polarization depende…

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…

Energy Dependence of $K I ¨ $ , $p I ¨ $ , and $K p$ Fluctuations in Au+Au Collisions from $s_{NN}$ = 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…

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…

Probing Strangeness Canonical Ensemble with $K^{-}$ , $I ¨ (1020)$ and $I^^{-}$ Production in Au+Au Collisions at $s_{NN} = 3 GeV$

STAR Collaboration, M. S. Abdallah, B. E. Aboona +385

We report the first multi-differential measurements of strange hadrons of $K^{-}$ , $I ¨ $ and $I^^{-}$ yields as well as the ratios of $I ¨ / K^{-}$ and $I ¨ / I^^{-}$ in Au+Au collisions at $…

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}}…

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…

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…

Longitudinal Double-Spin Asymmetries for $I ¨ ^{0}$ s in the Forward Direction for 510 GeV Polarized $pp$ Collisions

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

The STAR Collaboration reports measurements of the longitudinal double-spin asymmetry, $A_{LL}$ , for neutral pions produced at forward directions in polarized proton-proton collisi…

hep-ex2015

Energy dependence of acceptance-corrected dielectron excess mass spectrum at mid-rapidity in Au+Au collisions at $s_{N N} = 19.6$ 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…

Measurement of inclusive J/ $I ¨ $ polarization in p+p collisions at $s$ = 200 GeV by the STAR experiment

STAR Collaboration, J. Adam, L. Adamczyk +352

We report on new measurements of inclusive J/ $I ¨ $ polarization at mid-rapidity in p+p collisions at $s$ = 200 GeV by the STAR experiment at RHIC. The polarization parameters…

hep-ex2019

Measurement of the longitudinal spin asymmetries for weak boson production in proton-proton collisions at $s$ = 510 GeV

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

We report new STAR measurements of the single-spin asymmetries $A_{L}$ for $W^{+}$ and $W^{-}$ bosons produced in polarized proton--proton collisions at $s$ = 510 GeV as a functio…

Measurement of inclusive $J / I ¨ $ suppression in Au+Au collisions at $s_{N N}$ = 200 GeV through the dimuon channel at STAR

STAR Collaboration, J. Adam, L. Adamczyk +343

$J / I ¨ $ suppression has long been considered a sensitive signature of the formation of the Quark-Gluon Plasma (QGP) in relativistic heavy-ion collisions. In this letter, we present…

Near-side azimuthal and pseudorapidity correlations using neutral strange baryons and mesons in d+Au, Cu+Cu and Au+Au collisions at $s_{N N}$ = 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 ( $I^$ , $I^ˉ $ ) and mesons ( $K_{S}^{0}$ ) at intermediate transverse momentum…

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

STAR Collaboration, J. Adam, L. Adamczyk +357

Global polarization of $I^$ and $I^c ◯$ hyperons has been measured for the first time in Au+Au collisions at $s_{_{N N}}$ = 200 GeV. The measurements of the $I^^{-}$ and $\barÎ^+…

Measurement of inclusive electrons from open heavy-flavor hadron decays in $p$ + $p$ collisions at $s = 200$ GeV with the STAR detector

STAR Collaboration, M. S. Abdallah, B. E. Aboona +383

We report a new measurement of the production cross section for inclusive electrons from open heavy-flavor hadron decays as a function of transverse momentum ( $p_{T}$ ) at mid-r…

Measurements of $W$ and $Z/Î³^*$ cross sections and their ratios in $p + p$ collisions at RHIC

STAR Collaboration, J. Adam, L. Adamczyk +356

We report on the $W$ and $Z/Î³^*$ differential and total cross sections as well as the $W^{+}$ / $W^{-}$ and $(W^{+} + W^{-})$ /$(Z/Î³^*)$ cross-section ratios measured by the STAR experiment…

Measurement of elliptic flow of light nuclei at $s_{N N}$ = 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 $^{n d}$ order azimuthal anisotropy ( $v_{2}$ ) at mid-rapidity $(∣ y ∣ < 1.0)$ for light nuclei d, t, $^{3}$ He (for $s_{N N}$ = 200, 62.4, 39, 27, 19.6,…

Collision-System and Beam-Energy Dependence of Anisotropic Flow Fluctuations

STAR Collaboration, M. S. Abdallah, J. Adam +381

Elliptic flow measurements from two-, four- and six-particle correlations are used to investigate flow fluctuations in collisions of U+U at $s_{NN}$ = 193 GeV, Cu+Au at $…

Search for the chiral magnetic effect via charge-dependent azimuthal correlations relative to spectator and participant planes in Au+Au collisions at $s_{N N}$ = 200 GeV

STAR Collaboration, M. S. Abdallah, J. Adam +376

The chiral magnetic effect (CME) refers to charge separation along a strong magnetic field due to imbalanced chirality of quarks in local parity and charge-parity violating domains…

Bulk Properties of the System Formed in Au+Au Collisions at $s_{NN}$ = 14.5 GeV

STAR Collaboration, J. Adam, L. Adamczyk +339

We report systematic measurements of bulk properties of the system created in Au+Au collisions at $s_{NN}$ = 14.5 GeV recorded by the STAR detector at the Relativis…

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}}…

Collision Energy Dependence of $p_{t}$ Correlations in Au+Au Collisions at RHIC

STAR Collaboration, J. Adam, L. Adamczyk +333

We present two-particle $p_{t}$ correlations as a function of event centrality for Au+Au collisions at $s_{NN}$ = 7.7, 11.5, 14.5, 19.6, 27, 39, 62.4, and 200 GeV at…

hep-ex2019

Longitudinal double-spin asymmetry for inclusive jet and dijet production in $pp$ collisions at $s = 510$ GeV

STAR Collaboration, J. Adam, L. Adamczyk +343

We report the first measurement of the inclusive jet and the dijet longitudinal double-spin asymmetries, $A_{LL}$ , at midrapidity in polarized $pp$ collisions at a center-of-mass e…

Measurements of $_{I^}^{3} H$ and $_{I^}^{4} H$ Lifetimes and Yields in Au+Au Collisions in the High Baryon Density Region

STAR Collaboration, M. S. Abdallah, B. E. Aboona +388

We report precision measurements of hypernuclei $_{I^}^{3} H$ and $_{I^}^{4} H$ lifetimes obtained from Au+Au collisions at \snn = 3.0\,GeV and 7.2\,GeV collected by the STAR e…

Measurement of the Sixth-Order Cumulant of Net-Proton Multiplicity Distributions in Au+Au Collisions at $s_{NN} =$ 27, 54.4, and 200 GeV at RHIC

STAR Collaboration, M. S. Abdallah, J. Adam +380

According to first principle Lattice QCD calculations, the transition from quark-gluon plasma to hadronic matter is a smooth crossover in the region $I^¼_{B} \leq T_{c}$ . In this…

Centrality and transverse momentum dependence of $D^{0}$ -meson production at mid-rapidity in Au+Au collisions at $s_{NN} = 200 GeV$

STAR Collaboration, J. Adam, L. Adamczyk +347

We report a new measurement of $D^{0}$ -meson production at mid-rapidity ( $∣ y ∣$ \, $<$ \,1) in Au+Au collisions at $s_{NN} = 200 GeV$ utilizing the Heavy Flavor Tracke…

First observation of the directed flow of $D^{0}$ and $D^{0}$ in Au+Au collisions at $s_{NN}$ = 200~GeV

STAR Collaboration, J. Adam, L. Adamczyk +342

We report the first measurement of rapidity-odd directed flow ( $v_{1}$ ) for $D^{0}$ and $D^{0}$ mesons at mid-rapidity ( $∣ y ∣ < 0.8$ ) in Au+Au collisions at $\sqrt{s_{\rm…

hep-ex2015

Observation of Transverse Spin-Dependent Azimuthal Correlations of Charged Pion Pairs in $p^{↑} + p$ at $s = 200$ 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 $p^{↑} + p$ collisions at RHIC.…

Observation of $D_{s}^{\pm} / D^{0}$ enhancement in Au+Au collisions at $s_{_{NN}}$ = 200 GeV

STAR Collaboration, J. Adam, L. Adamczyk +358

We report on the first measurement of charm-strange meson $D_{s}^{\pm}$ production at midrapidity in Au+Au collisions at $s_{_{NN}}$ = 200 GeV from the STAR experiment. Th…

Long-range pseudorapidity dihadron correlations in $d$ +Au collisions at $s_{NN} = 200$ GeV

L. Adamczyk, J. K. Adkins, G. Agakishiev +329

Dihadron angular correlations in $d$ +Au collisions at $s_{NN} = 200$ GeV are reported as a function of the measured zero-degree calorimeter neutral energy and the forward…

Collision energy dependence of second-order off-diagonal and diagonal cumulants of net-charge, net-proton and net-kaon multiplicity distributions in Au+Au collisions

STAR Collaboration, J. Adam, L. Adamczyk +338

We report the first measurements of a complete second-order cumulant matrix of net-charge, net-proton, and net-kaon multiplicity distributions for the first phase of the beam energ…

Pair invariant mass to isolate background in the search for the chiral magnetic effect in Au+Au collisions at $s_{_{NN}}$ = 200 GeV

STAR Collaboration, J. Adam, L. Adamczyk +352

Quark interactions with topological gluon configurations can induce local chirality imbalance and parity violation in quantum chromodynamics, which can lead to the chiral magnetic…

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…

Di-Jet Imbalance Measurements at $s_{N N} = 200$ 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…

Beam-Energy Dependence of the Directed Flow of Deuterons in Au+Au Collisions

STAR Collaboration, J. Adam, L. Adamczyk +351

We present a measurement of the first-order azimuthal anisotropy, $v_{1} (y)$ , of deuterons from Au+Au collisions at $s_{N N}$ = 7.7, 11.5, 14.5, 19.6, 27, and 39 GeV recorded w…

Disappearance of partonic collectivity in $s_{N N}$ = 3 GeV Au+Au collisions at RHIC

STAR Collaboration, M. S. Abdallah, B. E. Aboona +384

We report on the measurements of directed flow $v_{1}$ and elliptic flow $v_{2}$ for hadrons ( $I ¨ ^{\pm}$ , $K^{\pm}$ , $K_{S}^{0}$ , $p$ , $I ¨ $ , $I^$ and $I^^{-}$ ) from Au+Au collisions at $…

Beam-energy dependence of identified two-particle angular correlations in Au+Au collisions at RHIC

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

The two-particle angular correlation functions, $R_{2}$ , of pions, kaons, and protons in Au+Au collisions at $s_{N N} =$ 7.7, 11.5, 14.5, 19.6, 27, 39, 62.4, and 200 GeV were me…

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…

hep-ex2016

The $I ¨ (1020) \to e^{+} e^{-}$ meson decay measured with the STAR experiment in Au+Au collisions at $s_{_{N N}}$ = 200 GeV

STAR Collaboration, L. Adamczyk, J. K. Adkins +328

We report the measurement of the leptonic ( $e^{+} e^{-}$ ) decay channel of the $I ¨ $ (1020) meson in Au+Au collisions at $s_{_{N N}}$ = 200 GeV by the STAR experiment. The trans…

Measurements of Proton High Order Cumulants in 3 GeV Au+Au Collisions and Implications for the QCD Critical Point

STAR Collaboration, M. S. Abdallah, B. E. Aboona +388

We report cumulants of the proton multiplicity distribution from dedicated fixed-target Au+Au collisions at 3.0 GeV, measured by the STAR experiment in the kinematic acceptance of…

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…