papers

Publications (276)

physics.ins-det2015

A Study of a Mini-drift GEM Tracking Detector

B. Azmoun, B. DiRuzza, A. Franz +5

A GEM tracking detector with an extended drift region has been studied as part of an effort to develop new tracking detectors for future experiments at RHIC and for the Electron Io…

nucl-ex2018

Azimuthal anisotropy in Cu+Au collisions at = 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 = 200 GeV for harmonics $n…

nucl-ex2001

Baryon Rapidity Loss in Relativistic Au+Au Collisions

E917 Collaboration, B. B. Back, R. R. Betts +37

An excitation function of proton rapidity distributions for different centralities is reported from AGS Experiment E917 for Au+Au collisions at 6, 8, and 10.8 GeV/nucleon. The rapi…

hep-ex2021

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

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

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

nucl-ex2014

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…

nucl-ex2011

A Reaction Plane Detector for PHENIX at RHIC

E. Richardson, Y. Akiba, N. Anderson +25

A plastic scintillator paddle detector with embedded fiber light guides and photomultiplier tube readout, referred to as the Reaction Plane Detector (RXNP), was designed and instal…

hep-ex2020

Polarization and cross section of midrapidity J/ production in proton-proton collisions at GeV

U. Acharya, A. Adare, C. Aidala +347

The PHENIX experiment has measured the spin alignment for inclusive decays in + collisions at GeV at midrapidity. The angular dist…

hep-ex2018

Transverse spin transfer to and hyperons in polarized proton-proton collisions at

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

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

hep-ex2018

production cross section and its dependence on charged-particle multiplicity in collisions at = 200 GeV

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

We present a measurement of inclusive production at mid-rapidity () in collisions at a center-of-mass energy of = 200 GeV with the STAR experiment at…

hep-ex2017

Cross section and transverse single-spin asymmetry of muons from open heavy-flavor decays in polarized + collisions at GeV

C. Aidala, N. N. Ajitanand, Y. Akiba +433

The cross section and transverse single-spin asymmetries of and from open heavy-flavor decays in polarized + collisions at GeV were measured…

nucl-ex2012

J/psi suppression at forward rapidity in Au+Au collisions at sqrt(s_NN)=39 and 62.4 GeV

A. Adare, C. Aidala, N. N. Ajitanand +361

We present measurements of the J/psi invariant yields in sqrt(s_NN)=39 and 62.4 GeV Au+Au collisions at forward rapidity (1.2<|y|<2.2). Invariant yields are presented as a function…

nucl-ex2016

Single electron yields from semileptonic charm and bottom hadron decays in AuAu collisions at GeV

A. Adare, C. Aidala, N. N. Ajitanand +429

The PHENIX Collaboration at the Relativistic Heavy Ion Collider has measured open heavy-flavor production in minimum bias AuAu collisions at GeV via the y…

nucl-ex2016

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…

nucl-ex2023

Azimuthal anisotropy measurement of (multi-)strange hadrons in Au+Au collisions at = 54.4 GeV

STAR Collaboration, M. S. Abdallah, B. E. Aboona +356

Azimuthal anisotropy of produced particles is one of the most important observables used to access the collective properties of the expanding medium created in relativistic heavy-i…

nucl-ex2020

Strange hadron production in Au+Au collisions at = 7.7, 11.5, 19.6, 27, and 39 GeV

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

We present STAR measurements of strange hadron (, , , , , , , and ) production at mid-rap…

nucl-ex2011

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…

nucl-ex2024

Charm- and Bottom-Quark Production in AuAu Collisions at = 200 GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +342

The invariant yield of electrons from open-heavy-flavor decays for GeV/ at midrapidity in AuAu collisions at = 200 GeV has been measur…

nucl-ex2023

Pion, kaon, and (anti-)proton production in U+U Collisions at = 193 GeV measured with the STAR detector

STAR Collaboration, M. S. Abdallah, B. E. Aboona +339

We present the first measurements of transverse momentum spectra of , , at midrapidity () in U+U collisions at = 193 GeV…

hep-ex2018

Low- pair production in AuAu collisions at = 200 GeV and UU collisions at = 193 GeV at STAR

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

We report first measurements of pair production in the mass region 0.4 2.6 GeV/ at low transverse momentum ( 0.15 GeV/) in non-central Au

hep-ex2020

Measurement of the central exclusive production of charged particle pairs in proton-proton collisions at 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 () with the STAR detector at RHIC in proton-proton collisions…

nucl-ex2011

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…

nucl-ex2007

System Size, Energy and Centrality Dependence of Pseudorapidity Distributions of Charged Particles in Relativistic Heavy Ion Collisions

B. Alver, B. B. Back, M. D. Baker +55

We present the first measurements of the pseudorapidity distribution of primary charged particles in Cu+Cu collisions as a function of collision centrality and energy, \sqrtsnn = 2…

hep-ex2017

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}}…

nucl-ex2017

Beam Energy Dependence of Jet-Quenching Effects in Au+Au Collisions at = 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, , for charged hadrons as well as identified , , and for Au+Au co…

hep-ex2023

Longitudinal and transverse spin transfer to and hyperons in polarized + collisions at GeV

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +364

The longitudinal and transverse spin transfers to () hyperons in polarized proton-proton collisions are expected to be sensitive to the helicity and transversity…

hep-ex2020

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

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

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

nucl-ex2024

Centrality dependence of Lévy-stable two-pion Bose-Einstein correlations in GeV AuAu collisions

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +394

The PHENIX experiment measured the centrality dependence of two-pion Bose-Einstein correlation functions in ~GeV AuAu collisions at the Relativistic Heavy…

nucl-ex2015

Systematic Study of Azimuthal Anisotropy in CuCu and AuAu Collisions at and 200 GeV

A. Adare, S. Afanasiev, C. Aidala +421

We have studied the dependence of azimuthal anisotropy for inclusive and identified charged hadrons in AuAu and CuCu collisions on collision energy, species, and centra…

nucl-ex2010

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…

hep-ph2023

Pattern of Global Spin Alignment of and mesons in Heavy-Ion Collisions

STAR Collaboration, M. S. Abdallah, B. E. Aboona +379

Notwithstanding decades of progress since Yukawa first developed a description of the force between nucleons in terms of meson exchange, a full understanding of the strong interact…

nucl-ex2022

Measurement of inclusive electrons from open heavy-flavor hadron decays in + collisions at 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 () at mid-r…

nucl-ex2023

Event-by-event correlations between () hyperon global polarization and handedness with charged hadron azimuthal separation in Au+Au collisions at from STAR

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +342

Global polarizations () of () hyperons have been observed in non-central heavy-ion collisions. The strong magnetic field primarily created by the spectator protons…

hep-ex2020

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…

nucl-ex2010

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%)…

hep-ex2015

Inclusive cross section and double-helicity asymmetry for production at midrapidity in collisions at GeV

A. Adare, C. Aidala, N. N. Ajitanand +410

PHENIX measurements are presented for the cross section and double-helicity asymmetry () in inclusive production at midrapidity from collisions at $\sqrt{s…

nucl-ex2008

Scaling properties in bulk and p-dependent particle production near midrapidity in relativistic heavy ion collisions

PHOBOS Collaboration, B. Alver, B. B. Back +56

The centrality dependence of the midrapidity charged-particle multiplicity density (1) is presented for Au+Au and Cu+Cu collisions at RHIC over a broad range of collision…

nucl-ex2015

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…

nucl-ex2006

Identified hadron transverse momentum spectra in Au+Au collisions at sqrt(s_(NN))=62.4 GeV

PHOBOS Collaboration, B. B. Back, M. D. Baker +56

Transverse momentum spectra of pions, kaons, protons and antiprotons from Au+Au collisions at sqrt(s_(NN)) = 62.4 GeV have been measured by the PHOBOS experiment at the Relativisti…

nucl-ex2018

Pseudorapidity dependence of particle production and elliptic flow in asymmetric nuclear collisions of Al, Au, Au, and HeAu at GeV

A. Adare, C. Aidala, N. N. Ajitanand +364

Asymmetric nuclear collisions of Al, Au, Au, and HeAu at GeV provide an excellent laboratory for understanding particle production…

nucl-ex2021

Measurement of the Sixth-Order Cumulant of Net-Proton Multiplicity Distributions in Au+Au Collisions at 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 . In this…

nucl-ex2024

Upper Limit on the Chiral Magnetic Effect in Isobar Collisions at the Relativistic Heavy-Ion Collider

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +342

The chiral magnetic effect (CME) is a phenomenon that arises from the QCD anomaly in the presence of an external magnetic field. The experimental search for its evidence has been o…

nucl-ex2023

Beam energy dependence of the linear and mode-coupled flow harmonics in Au+Au collisions

STAR Collaboration, B. E. Aboona, J. Adam +341

The linear and mode-coupled contributions to higher-order anisotropic flow are presented for Au+Au collisions at = 27, 39, 54.4, and 200 GeV and compared t…

nucl-ex2022

Two-particle correlations on transverse rapidity in Au+Au collisions at GeV at STAR

STAR Collaboration, M. S. Abdallah, B. E. Aboona +381

Two-particle correlation measurements projected onto two-dimensional, transverse rapidity coordinates (), allow access to dynamical properties of the QCD medium prod…

hep-ex2015

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.…

hep-ex2017

Measurements of at forward rapidity in collisions at GeV

C. Aidala, N. N. Ajitanand, Y. Akiba +427

We report the first measurement of the fraction of mesons coming from -meson decay () in + collisions at 510 GeV. The measuremen…

nucl-ex2013

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…

hep-ex2025

Transverse single-spin asymmetry of forward mesons in collisions at GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +380

Utilizing the 2012 transversely polarized proton data from the Relativistic Heavy Ion Collider at Brookhaven National Laboratory, the forward -meson transverse single-spin asym…

nucl-ex2015

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…

nucl-ex2020

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, , of deuterons from Au+Au collisions at = 7.7, 11.5, 14.5, 19.6, 27, and 39 GeV recorded w…

hep-ex2020

Measurement of charged pion double spin asymmetries at midrapidity in longitudinally polarized collisions at GeV

U. A. Acharya, A. Adare, C. Aidala +357

The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the longitudinal double spin asymmetries, , for charged pions at midrapidity () in long…

nucl-ex2022

Disappearance of partonic collectivity in = 3 GeV Au+Au collisions at RHIC

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

We report on the measurements of directed flow and elliptic flow for hadrons (, , , , , and ) from Au+Au collisions at $…

nucl-ex2011

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…

hep-ex2016

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…

nucl-ex2019

Multi-particle azimuthal correlations for extracting event-by-event elliptic and triangular flow in AuAu collisions at GeV

A. Adare, C. Aidala, N. N. Ajitanand +319

We present measurements of elliptic and triangular azimuthal anisotropy of charged particles detected at forward rapidity in AuAu collisions at

hep-ex2018

Measurement of -meson production at forward rapidity in collisions at =510 GeV and energy dependence of from =200 GeV to 7 TeV

A. Adare, C. Aidala, N. N. Ajitanand +355

The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the differential cross section of (1020)-meson production at forward rapidity in collisions…

nucl-ex2015

Dielectron production in AuAu collisions at =200 GeV

A. Adare, C. Aidala, N. N. Ajitanand +444

We present measurements of production at midrapidity in AuAu collisions at = 200 GeV. The invariant yield is studied within the PHENIX detector accep…

nucl-ex2026

Elliptic flow of mesons in CuAu collisions at GeV and UU at GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +386

The second-order azimuthal anisotropy coefficients () of neutral mesons () have been measured as a function of the transverse momentum () and centrality of Cu

nucl-ex2023

Energy Dependence of Intermittency for Charged Hadrons in Au+Au Collisions at RHIC

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +364

Density fluctuations near the QCD critical point can be probed via an intermittency analysis in relativistic heavy-ion collisions. We report the first measurement of intermittency…

nucl-ex2023

Low- direct-photon production in AuAu collisions at and 62.4 GeV

N. J. Abdulameer, U. Acharya, A. Adare +431

The measurement of direct photons from AuAu collisions at and 62.4 GeV in the transverse-momentum range Gev/ is presented by the PHENIX coll…

hep-ex2022

Kinematic dependence of azimuthal anisotropies in Au, Au, He+Au at = 200 GeV

U. A. Acharya, A. Adare, C. Aidala +378

There is strong evidence for the formation of small droplets of quark-gluon plasma in He+Au collisions at the Relativistic Heavy Ion Collider (RHIC) and in +/Pb col…

nucl-ex2022

Measurement of and binding energy in Au+Au collisions at = 3 GeV

STAR Collaboration, M. S. Abdallah, B. E. Aboona +357

Measurements of mass and binding energy of and in Au+Au collisions at GeV are presented, with an aim to address the charge…

nucl-ex2021

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, , for net-proton, proton and antiproton multiplicity distributions, and correlation functions, , for proton and antipr…

nucl-ex2021

Comparison of transverse single-spin asymmetries for forward production in polarized , and collisions at nucleon pair c.m. energy GeV

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

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

hep-ex2025

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…

nucl-ex2020

Evolution of pi^0 suppression in Au+Au collisions from sqrt(s_NN) = 39 to 200 GeV

A. Adare, S. Afanasiev, C. Aidala +367

Neutral-pion, pi^0, spectra were measured at midrapidity (|y|<0.35) in Au+Au collisions at sqrt(s_NN) = 39 and 62.4 GeV and compared to earlier measurements at 200 GeV in the 1<p_T…

nucl-ex2020

Measurement of D-meson + hadron two-dimensional angular correlations in Au+Au collisions at 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…

hep-ex2020

Production of at forward rapidity in + collisions at GeV

U. Acharya, A. Adare, C. Aidala +347

The cross section of bottom quark-antiquark () production in + collisions at GeV is measured with the PHENIX detector at the Relativistic Heavy Ion C…

nucl-ex2016

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 $\…

hep-ex2011

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…

nucl-ex2018

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 $\la \cos (mϕ_a + nϕ_b - (m+n) ϕ_c)\ra$ for harmonics for charged particles in 200 GeV Au+Au coll…

hep-ex2021

Invariant Jet Mass Measurements in Collisions at 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 GeV at STAR. The measurements are fully corrected f…

nucl-ex2018

Measurements of mass-dependent azimuthal anisotropy in central Au, Au, and HeAu collisions at GeV

A. Adare, C. Aidala, N. N. Ajitanand +349

We present measurements of the transverse-momentum dependence of elliptic flow for identified pions and (anti)protons at midrapidity (), in 0%--5% central Au…

nucl-ex2022

Global -hyperon polarization in Au+Au collisions at GeV

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

Global hyperon polarization, , in Au+Au collisions over a large range of collision energy, , was recently measured and successfully r…

nucl-ex2015

Heavy-quark production and elliptic flow in AuAu collisions at GeV

A. Adare, C. Aidala, N. N. Ajitanand +366

We present measurements of electrons and positrons from the semileptonic decays of heavy-flavor hadrons at midrapidity ( 0.35) in AuAu collisions at $\sqrt{s_{_{NN}}}=62.4…

nucl-ex2015

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…

nucl-ex2022

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.…

hep-ex2020

Production of and mesons in UU collisions at GeV

U. Acharya, C. Aidala, N. N. Ajitanand +399

The PHENIX experiment at the Relativistic Heavy Ion Collider measured and mesons at midrapidity in UU collisions at GeV in a wide transverse m…

nucl-ex2021

Non-monotonic energy dependence of net-proton number fluctuations

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

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

hep-ex2018

Low-momentum direct photon measurement in CuCu collisions at GeV

A. Adare, S. Afanasiev, C. Aidala +447

We have measured direct photons for GeV/ in minimum bias and 0\%--40\% most central events at midrapidity for CuCu collisions at GeV. The $e^{+…

nucl-ex2021

Measurement of inclusive charged-particle jet production in Au+Au collisions at =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-ex2021

Measurement of Groomed Jet Substructure Observables in \pp Collisions at GeV with STAR

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

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

nucl-ex2023

production in Au+Au collisions at = 7.7, 11.5, 14.5, 19.6, 27 and 39 GeV from RHIC beam energy scan

STAR Collaboration, M. S. Abdallah, B. E. Aboona +359

We report the measurement of meson at midrapidity ( 1.0) in Au+Au collisions at ~=~7.7, 11.5, 14.5, 19.6, 27 and 39 GeV collected by the STAR expe…

nucl-ex2017

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…

nucl-ex2024

Identified charged-hadron production in Al, HeAu, and CuAu collisions at GeV and in UU collisions at GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +477

The PHENIX experiment has performed a systematic study of identified charged-hadron (, , , ) production at midrapidity in Al, HeAu, CuAu…

nucl-ex2023

Higher-Order Cumulants and Correlation Functions of Proton Multiplicity Distributions in = 3 GeV Au+Au Collisions at the RHIC STAR Experiment

STAR Collaboration, M. S. Abdallah, B. E. Aboona +358

We report a measurement of cumulants and correlation functions of event-by-event proton multiplicity distributions from fixed-target Au+Au collisions at = 3 GeV…

nucl-ex2010

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…

hep-ex2020

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…

hep-ex2018

Production of and mesons in CuAu collisions at =200 GeV

C. Aidala, N. N. Ajitanand, Y. Akiba +401

Production of and mesons has been measured at midrapidity in CuAu collisions at =200 GeV. Measurements were performed in

nucl-ex2013

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 (π^+/-, K^+/-, p, p^bar) produced in sqrt(s_NN)=200 GeV Au+Au and d+Au collisions are reported in fi…

nucl-ex2013

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.…

hep-ex2018

Improved measurement of the longitudinal spin transfer to and hyperons in polarized proton-proton collisions at = 200 GeV

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

The longitudinal spin transfer to and hyperons produced in high-energy polarized proton--proton collisions is expected to be sensitive to the helicity distri…

nucl-ex2018

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…

nucl-ex2021

Measurement of 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…

nucl-ex2016

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.…

nucl-ex2012

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…

nucl-ex2017

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…

hep-ex2019

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…

nucl-ex2023

Beam Energy Dependence of Fifth and Sixth-Order Net-proton Number Fluctuations in Au+Au Collisions at RHIC

STAR Collaboration, B. E. Aboona, J. Adam +357

We report the beam energy and collision centrality dependence of fifth and sixth order cumulants (, ) and factorial cumulants (, ) of net-proton and p…

hep-ex2024

Results on Elastic Cross Sections in Proton-Proton Collisions at GeV with the STAR Detector at RHIC

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +351

We report results on an elastic cross section measurement in proton-proton collisions at a center-of-mass energy GeV, obtained with the Roman Pot setup of the STAR e…

hep-ex2019

Measurements of the transverse-momentum-dependent cross sections of production at mid-rapidity in proton+proton collisions at 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 meson production as a function of transverse momentum () using the and $…