M. Inaba

$I ¨ $ meson production in $d$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV

PHENIX Collaboration, A. Adare, C. Aidala +482

The PHENIX experiment has measured $I ¨ $ meson production in $d$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV using the dimuon and dielectron decay channels. The $I ¨ $ meson is meas…

Nonperturbative transverse-momentum-dependent effects in dihadron and direct photon-hadron angular correlations in $p + p$ collisions at $s = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +291

Dihadron and isolated direct photon-hadron angular correlations are measured in $p$ $+$ $p$ collisions at $s = 200$ GeV. The correlations are sensitive to nonperturbative initia…

hep-ex2019

Nuclear dependence of the transverse single-spin asymmetry in the production of charged hadrons at forward rapidity in polarized $p + p$ , $p +$ Al, and $p +$ Au collisions at $s_{_{N N}} = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +300

We report on the nuclear dependence of transverse single-spin asymmetries (TSSAs) in the production of positively-charged hadrons in polarized $p^{↑} + p$ , $p^{↑} +$ Al a…

Cold-nuclear-matter effcts on heavy-quark production in d+Au collisions at sqrt(s_NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala +379

The PHENIX experiment has measured electrons and positrons at midrapidity from the decays of hadrons containing charm and bottom quarks produced in d+Au and p+p collisions at sqrt(…

Elliptic and hexadecapole flow of charged hadrons in Au+Au collisions at sqrt(s_NN) = 200 GeV

A. Adare, S. Afanasiev, C. Aidala +380

Differential measurements of the elliptic (v_2) and hexadecapole (v_4) Fourier flow coefficients are reported for charged hadrons as a function of transverse momentum (p_T) and col…

Cross section and longitudinal single-spin asymmetry $A_{L}$ for forward $W^{\pm} \to I^¼^{\pm} I^½$ production in polarized $p$ $+$ $p$ collisions at $s = 510$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +426

We have measured the cross section and single spin asymmetries from forward $W^{\pm} \to I^¼^{\pm} I^½$ production in longitudinally polarized $p$ $+$ $p$ collisions at $\sqrt{s}=…

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 $R_{out}$ , $R_{side}$ , and $R_{long}$ , of the pion emission sources produced in Cu $+$ Cu and…

nucl-ex2024

Measurement of elliptic flow of J $/ I ¨ $ in $s_{_{N N}} = 200$ GeV Au $+$ Au collisions at forward rapidity

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +365

We report the first measurement of the azimuthal anisotropy of J $/ I ¨ $ at forward rapidity ( $1.2 < ∣ I^\cdot ∣ < 2.2$ ) in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV at the Relativistic H…

Cold Nuclear Matter Effects on J/psi Yields as a Function of Rapidity and Nuclear Geometry in Deuteron-Gold Collisions at sqrt(s_NN) = 200 GeV

A. Adare, S. Afanasiev, C. Aidala +445

We present measurements of J/psi yields in d+Au collisions at sqrt(s_NN) = 200 GeV recorded by the PHENIX experiment and compare with yields in p+p collisions at the same energy pe…

Medium modification of jet fragmentation in Au+Au collisions at sqrt(s_NN)=200 GeV measured in direct photon-hadron correlations

A. Adare, S. Afanasiev, C. Aidala +559

The jet fragmentation function is measured with direct photon-hadron correlations in p+p and Au+Au collisions at sqrt(s_NN)=200 GeV. The p_T of the photon is an excellent approxima…

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…

nucl-ex2023

Measurements of second-harmonic Fourier coefficients from azimuthal anisotropies in $p$ $+$ $p$ , $p$ $+$ Au, $d$ $+$ Au, and $^{3}$ He $+$ Au collisions at $s_{_{N N}} = 200$ GeV

N. J. Abdulameer, U. Acharya, A. Adare +389

Recently, the PHENIX Collaboration has published second- and third-harmonic Fourier coefficients $v_{2}$ and $v_{3}$ for midrapidity ( $∣ I^\cdot ∣ < 0.35$ ) charged hadrons in 0\%--5\% central $…

nucl-ex2014

Azimuthal-angle dependence of charged-pion-interferometry measurements with respect to 2 $^{nd}$ - and $3^{rd}$ -order event planes in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV

A. Adare, S. Afanasiev, C. Aidala +383

Charged-pion-interferometry measurements were made with respect to the 2 $^{nd}$ - and 3 $^{rd}$ -order event plane for Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV. A stro…

Transverse single-spin asymmetry of midrapidity $I ¨ ^{0}$ and $I^\cdot$ mesons in $p$ +Au and $p$ +Al collisions at $s_{_{N N}} =$ 200 GeV

N. J. Abdulameer, U. Acharya, C. Aidala +319

Presented are the first measurements of the transverse single-spin asymmetries ( $A_{N}$ ) for neutral pions and eta mesons in $p$ +Au and $p$ +Al collisions at $s_{_{N N}} = 200$ Ge…

Polarization and cross section of midrapidity J/ $I ¨ $ production in proton-proton collisions at $s = 510$ GeV

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

The PHENIX experiment has measured the spin alignment for inclusive $J / I ¨ \to e^{+} e^{-}$ decays in $p$ + $p$ collisions at $s = 510$ GeV at midrapidity. The angular dist…

Nuclear-modification factor of charged hadrons at forward and backward rapidity in $p$ $+$ Al and $p$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +300

The PHENIX experiment has studied nuclear effects in $p$ $+$ Al and $p$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV on charged hadron production at forward rapidity ( $1.4 < I^\cdot < 2.4$ ,…

physics.ins-det2024

Design,fabrication and characterization of 8x9 n-type silicon pad array for sampling calorimetry

Sawan, G. Tambave, J. L. Bouly +13

This paper reports the development and testing of n-type silicon pad array detectors targeted for the Forward Calorimeter (FoCal) detector, which is an upgrade of the ALICE detecto…

physics.ins-det2024

Design of the ECCE Detector for the Electron Ion Collider

J. K. Adkins, Y. Akiba, A. Albataineh +274

The EIC Comprehensive Chromodynamics Experiment (ECCE) detector has been designed to address the full scope of the proposed Electron Ion Collider (EIC) physics program as presented…

nucl-ex2014

Comparison of the space-time extent of the emission source in $d$ $+$ Au and Au $+$ Au collisions at $s_{N N} = 200$ GeV

A. Adare, S. Afanasiev, C. Aidala +519

Two-pion interferometry measurements in $d$ $+$ Au and Au $+$ Au collisions at $s_{N N} = 200$ GeV are used to extract and compare the Gaussian source radii R $_{out}$ , R$_{\rm…

Cross section and transverse single-spin asymmetry of muons from open heavy-flavor decays in polarized $p$ + $p$ collisions at $s = 200$ GeV

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

The cross section and transverse single-spin asymmetries of $I^¼^{-}$ and $I^¼^{+}$ from open heavy-flavor decays in polarized $p$ + $p$ collisions at $s = 200$ GeV were measured…

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…

Nuclear modification factors of phi mesons in d+Au, Cu+Cu and Au+Au collisions at sqrt(S_NN)=200 GeV

PHENIX Collaboration, A. Adare, S. Afanasiev +529

The PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) has performed systematic measurements of phi meson production in the K+K- decay channel at midrapidity in p+p, d…

hep-ex2022

Transverse-single-spin asymmetries of charged pions at midrapidity in transversely polarized $p + p$ collisions at $s = 200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +307

In 2015, the PHENIX collaboration has measured single-spin asymmetries for charged pions in transversely polarized proton-proton collisions at the center of mass energy of $\sqrt{s…

hep-ex2019

Measurement of two-particle correlations with respect to second- and third-order event planes in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV

A. Adare, S. Afanasiev, C. Aidala +453

We present measurements of azimuthal correlations of charged hadron pairs in $s_{_{N N}} = 200$ GeV Au $+$ Au collisions for the trigger and associated particle transverse-moment…

Single electron yields from semileptonic charm and bottom hadron decays in Au $+$ Au collisions at $s_{N N} = 200$ 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 Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV via the y…

hep-ex2012

Direct-Photon Production in p+p Collisions at sqrt(s)=200 GeV at Midrapidity

A. Adare, S. Afanasiev, C. Aidala +379

The differential cross section for the production of direct photons in p+p collisions at sqrt(s)=200 GeV at midrapidity was measured in the PHENIX detector at the Relativistic Heav…

nucl-ex2022

Study of $I ¨ $ -meson production in $p$ $+$ Al, $p$ $+$ Au, $d$ $+$ Au, and $^{3}$ He $+$ Au collisions at $s_{_{N N}} = 200$ GeV

U. Acharya, A. Adare, C. Aidala +367

Small nuclear collisions are mainly sensitive to cold-nuclear-matter effects; however, the collective behavior observed in these collisions shows a hint of hot-nuclear-matter effec…

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…

hep-ex2021

Probing gluon spin-momentum correlations in transversely polarized protons through midrapidity isolated direct photons in $p^{↑} + p$ collisions at $s = 200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +308

Studying spin-momentum correlations in hadronic collisions offers a glimpse into a three-dimensional picture of proton structure. The transverse single-spin asymmetry for midrapidi…

Measurements at forward rapidity of elliptic flow of charged hadrons and open-heavy-flavor muons in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +365

We present the first forward-rapidity measurements of elliptic anisotropy of open-heavy-flavor muons at the BNL Relativistic Heavy Ion Collider. The measurements are based on data…

nucl-ex2024

Charm- and Bottom-Quark Production in Au $+$ Au Collisions at $s_{_{N N}}$ = 200 GeV

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

The invariant yield of electrons from open-heavy-flavor decays for $1 < p_{T} < 8$ GeV/ $c$ at midrapidity $∣ y ∣ < 0.35$ in Au $+$ Au collisions at $s_{_{N N}}$ = 200 GeV has been measur…

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…

Transverse energy production and charged-particle multiplicity at midrapidity in various systems from $s_{N N} = 7.7$ to 200 GeV

A. Adare, S. Afanasiev, C. Aidala +702

Measurements of midrapidity charged particle multiplicity distributions, $d N_{ch} / d I^\cdot$ , and midrapidity transverse-energy distributions, $d E_{T} / d I^\cdot$ , are presented for a variety…

Measurement of $J / I ¨ $ at forward and backward rapidity in $p$ + $p$ , $p$ $+ A$ l, $p$ $+ A$ u, and $^{3}$ He+Au collisions at $s_{_{N N}} = 200 GeV$

U. A. Acharya, A. Adare, C. Aidala +358

Charmonium is a valuable probe in heavy-ion collisions to study the properties of the quark gluon plasma, and is also an interesting probe in small collision systems to study cold…

nucl-ex2024

Centrality dependence of LÃ©vy-stable two-pion Bose-Einstein correlations in $s_{_{N N}} = 200$ GeV Au $+$ Au collisions

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

The PHENIX experiment measured the centrality dependence of two-pion Bose-Einstein correlation functions in $s_{_{N N}} = 200$ ~GeV Au $+$ Au collisions at the Relativistic Heavy…

hep-ex2021

Transverse momentum dependent forward neutron single spin asymmetries in transversely polarized $p$ $+$ $p$ collisions at $s = 200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +311

In 2015, the PHENIX collaboration has measured very forward ( $I^\cdot > 6.8$ ) single-spin asymmetries of inclusive neutrons in transversely polarized proton-proton and proton-nucleus coll…

Systematic Study of Azimuthal Anisotropy in Cu $+$ Cu and Au $+$ Au Collisions at $s_{_{N N}} = 62.4$ and 200 GeV

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

We have studied the dependence of azimuthal anisotropy $v_{2}$ for inclusive and identified charged hadrons in Au $+$ Au and Cu $+$ Cu collisions on collision energy, species, and centra…

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-ex2024

Multiplicity dependent $J / I ¨ $ and $I ¨ (2 S)$ production at forward and backward rapidity in $p$ $+$ $p$ collisions at $s = 200$ GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +298

The $J / I ¨ $ and $I ¨ (2 S)$ charmonium states, composed of $c c ˉ$ quark pairs and known since the 1970s, are widely believed to serve as ideal probes to test quantum chromodynamics…

Scaling properties of fractional momentum loss of high-pT hadrons in nucleus-nucleus collisions at $s_{_{N N}}$ from 62.4 GeV to 2.76 TeV

A. Adare, S. Afanasiev, C. Aidala +627

Measurements of the fractional momentum loss ( $S_{loss} \equiv I^´ p_{T} / p_{T}$ ) of high-transverse-momentum-identified hadrons in heavy ion collisions are presented. Using $I ¨ ^{0}$ in A…

Measurement of jet-medium interactions via direct photon-hadron correlations in Au $+$ Au and $d$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV

U. Acharya, A. Adare, S. Afanasiev +574

We present direct photon-hadron correlations in 200 GeV/A Au $+$ Au, $d$ $+$ Au and $p$ $+$ $p$ collisions, for direct photon $p_{T}$ from 5--12 GeV/ $c$ , collected by the PHENIX Collaborat…

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%)…

astro-ph.HE2010

IceCube Collaboration Contributions to the 2009 International Cosmic Ray Conference

R. Abbasi, Y. Abdou, T. Abu-Zayyad +256

IceCube Collaboration Contributions to the 2009 International Cosmic Ray Conference

Low-mass vector-meson production at forward rapidity in $p$ $+$ $p$ and Au $+$ Au collisions at $s_{_{N N}} = 200$ ~GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +352

The PHENIX experiment at the Relativistic Heavy Ion Collider has measured low-mass vector-meson ( $I ¨ + I ¨ $ and $I ¨ $ ) production through the dimuon decay channel at forward rapidity $…

hep-ex2015

Inclusive cross section and double-helicity asymmetry for $I ¨ ^{0}$ production at midrapidity in $p$ $+$ $p$ collisions at $s = 510$ GeV

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

PHENIX measurements are presented for the cross section and double-helicity asymmetry ( $A_{LL}$ ) in inclusive $I ¨ ^{0}$ production at midrapidity from $p$ $+$ $p$ collisions at $\sqrt{s…

sPHENIX: An Upgrade Concept from the PHENIX Collaboration

A. Adare, C. Aidala, N. N. Ajitanand +423

The PHENIX collaboration presents a concept for a major upgrade to the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). This upgrade, referred to as sPHENIX, brings e…

Angular decay coefficients of $J / I ¨ $ mesons at forward rapidity from $p + p$ collisions at $s = 510$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +387

We report the first measurement of the full angular distribution for inclusive $J / I ¨ \to I^¼^{+} I^¼^{-}$ decays in $p$ $+$ $p$ collisions at $s = 510$ GeV. The measurements…

Systematic study of charged-pion and kaon femtoscopy in Au $+$ Au collisions at $s_{_{N N}}$ =200 GeV

A. Adare, S. Afanasiev, C. Aidala +496

We present a systematic study of charged pion and kaon interferometry in Au $+$ Au collisions at $s_{_{N N}}$ =200 GeV. The kaon mean source radii are found to be larger than pi…

Improving constraints on gluon spin-momentum correlations in transversely polarized protons via midrapidity open-heavy-flavor electrons in $p^{↑} + p$ collisions at $s = 200$ GeV

N. J. Abdulameer, U. Acharya, C. Aidala +321

Polarized proton-proton collisions provide leading-order access to gluons, presenting an opportunity to constrain gluon spin-momentum correlations within transversely polarized pro…

Transverse single-spin asymmetry of charged hadrons at forward and backward rapidity in polarized $p$ + $p$ , $p$ +Al, and $p$ +Au collisions at $s_{N N} = 200$ GeV}

N. J. Abdulameer, U. Acharya, C. Aidala +319

Reported here are transverse single-spin asymmetries ( $A_{N}$ ) in the production of charged hadrons as a function of transverse momentum ( $p_{T}$ ) and Feynman- $x$ ( $x_{F}$ ) in polarize…

Measurements of directed, elliptic, and triangular flow in Cu $+$ Au collisions at $s_{_{N N}} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +401

Measurements of anisotropic flow Fourier coefficients ( $v_{n}$ ) for inclusive charged particles and identified hadrons $I ¨ ^{\pm}$ , $K^{\pm}$ , $p$ , and $p ˉ$ produced at midrapidi…

Centrality dependence of low-momentum direct-photon production in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV

A. Adare, S. Afanasiev, C. Aidala +477

The PHENIX experiment at RHIC has measured the centrality dependence of the direct photon yield from Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV down to $p_{T} = 0.4$ GeV/ $c$ . Pho…

Measurement of Direct-Photon Cross Section and Double-Helicity Asymmetry at $s = 510$ GeV in $p + p$ Collisions

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +358

We present measurements of the cross section and double-helicity asymmetry $A_{LL}$ of direct-photon production in $p + p$ collisions at $s = 510$ GeV. The measureme…

nucl-ex2018

Pseudorapidity dependence of particle production and elliptic flow in asymmetric nuclear collisions of $p$ $+$ Al, $p$ $+$ Au, $d$ $+$ Au, and $^{3}$ He $+$ Au at $s_{_{N N}} = 200$ GeV

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

Asymmetric nuclear collisions of $p$ $+$ Al, $p$ $+$ Au, $d$ $+$ Au, and $^{3}$ He $+$ Au at $s_{_{N N}} = 200$ GeV provide an excellent laboratory for understanding particle production…

hep-ex2022

ECCE Sensitivity Studies for Single Hadron Transverse Single Spin Asymmetry Measurements

R. Seidl, A. Vladimirov, D. Pitonyak +275

We performed feasibility studies for various single transverse spin measurements that are related to the Sivers effect, transversity and the tensor charge, and the Collins fragment…

Measurements of $B \to J / I ¨ $ at forward rapidity in $p$ $+$ $p$ collisions at $s = 510$ GeV

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

We report the first measurement of the fraction of $J / I ¨ $ mesons coming from $B$ -meson decay ( $F_{B \to J / I ¨ }$ ) in $p$ + $p$ collisions at $s =$ 510 GeV. The measuremen…

Upsilon (1S+2S+3S) production in d+Au and p+p collisions at sqrt(s_NN)=200 GeV and cold-nuclear matter effects

A. Adare, S. Afanasiev, C. Aidala +491

The three Upsilon states, Upsilon(1S+2S+3S), are measured in d+Au and p+p collisions at sqrt(s_NN)=200 GeV and rapidities 1.2<|y|<2.2 by the PHENIX experiment at the Relativistic H…

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…

physics.ins-det2023

Detector Requirements and Simulation Results for the EIC Exclusive, Diffractive and Tagging Physics Program using the ECCE Detector Concept

A. Bylinkin, C. T. Dean, S. Fegan +272

This article presents a collection of simulation studies using the ECCE detector concept in the context of the EIC's exclusive, diffractive, and tagging physics program, which aims…

nucl-ex2022

Exclusive J/ $I ¨ $ Detection and Physics with ECCE

X. Li, J. K. Adkins, Y. Akiba +276

Exclusive heavy quarkonium photoproduction is one of the most popular processes in EIC, which has a large cross section and a simple final state. Due to the gluonic nature of the e…

hep-ex2025

Transverse single-spin asymmetry of forward $I^\cdot$ mesons in $p^{↑} + p$ collisions at $s = 200$ 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 $I^\cdot$ -meson transverse single-spin asym…

hep-ex2012

Inclusive J/psi production in pp collisions at sqrt(s) = 2.76 TeV

ALICE Collaboration, B. Abelev, J. Adam +966

The ALICE Collaboration has measured inclusive J/psi production in pp collisions at a center of mass energy sqrt(s)=2.76 TeV at the LHC. The results presented in this Letter refer…

nucl-ex2018

Measurements of multiparticle correlations in $d$ $+$ Au collisions at 200, 62.4, 39, and 19.6 GeV and $p$ $+$ Au collisions at 200 GeV and implications for collective behavior

C. Aidala, Y. Akiba, M. Alfred +314

Recently, multiparticle-correlation measurements of relativistic $p / d /^{3}$ He $+$ Au, $p$ $+$ Pb, and even $p$ $+$ $p$ collisions have shown surprising collective signatures. Here we prese…

Measurement of charged pion double spin asymmetries at midrapidity in longitudinally polarized $p$ $+$ $p$ collisions at $s = 510$ 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, $A_{LL}$ , for charged pions at midrapidity ( $∣ I^\cdot ∣ < 0.35$ ) in long…

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…

nucl-ex2019

Multi-particle azimuthal correlations for extracting event-by-event elliptic and triangular flow in Au $+$ Au collisions at $s_{_{N N}} = 200$ 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 $1 < ∣ I^\cdot ∣ < 3$ in Au $+$ Au collisions at $s_{_{N N}} = 200$ …

Measurement of $I ¨ $ -meson production at forward rapidity in $p$ $+$ $p$ collisions at $s$ =510 GeV and energy dependence of $I ¨ _{I ¨} $ from $s$ =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 $I ¨ $ (1020)-meson production at forward rapidity in $p$ $+$ $p$ collisions…

Dielectron production in Au $+$ Au collisions at $s_{N N}$ =200 GeV

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

We present measurements of $e^{+} e^{-}$ production at midrapidity in Au $+$ Au collisions at $s_{_{N N}}$ = 200 GeV. The invariant yield is studied within the PHENIX detector accep…

nucl-ex2026

Elliptic flow of $π^{0}$ mesons in Cu $+$ Au collisions at $s_{_{N N}} = 200$ GeV and U $+$ U at $s_{_{N N}} = 193$ GeV

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

The second-order azimuthal anisotropy coefficients ( $v_{2}$ ) of neutral $π$ mesons ( $π^{0}$ ) have been measured as a function of the transverse momentum ( $p_{T}$ ) and centrality of Cu $+$ …

nucl-ex2017

Measurement of long-range angular correlations and azimuthal anisotropies in high-multiplicity $p$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +270

We present the first measurements of long-range angular correlations and the transverse momentum dependence of elliptic flow $v_{2}$ in high-multiplicity $p$ $+$ Au collisions at $\sqr…

Measurement of emission angle anisotropy via long-range angular correlations with high $p_{T}$ hadrons in $d$ $+$ Au and $p$ $+$ $p$ collisions at $s_{_{N N}} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +470

We present measurements of two-particle angular correlations between high-transverse-momentum ( $2 < p_{T} < 11$ GeV/ $c$ ) $I ¨ ^{0}$ observed at midrapidity ( $∣ I^\cdot ∣ < 0.35$ ) and particles produc…

physics.ins-det2022

Design and Simulated Performance of Calorimetry Systems for the ECCE Detector at the Electron Ion Collider

F. Bock, N. Schmidt, P. K. Wang +276

We describe the design and performance the calorimeter systems used in the ECCE detector design to achieve the overall performance specifications cost-effectively with careful cons…

nucl-ex2023

Low- $p_{T}$ direct-photon production in Au $+$ Au collisions at $s_{_{N N}} = 39$ and 62.4 GeV

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

The measurement of direct photons from Au $+$ Au collisions at $s_{_{N N}} = 39$ and 62.4 GeV in the transverse-momentum range $0.4 < p_{T} < 3$ Gev/ $c$ is presented by the PHENIX coll…

hep-ex2022

Kinematic dependence of azimuthal anisotropies in $p$ $+$ Au, $d$ $+$ Au, $^{3}$ He+Au at $s_{_{N N}}$ = 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 $p / d /^{3}$ He+Au collisions at the Relativistic Heavy Ion Collider (RHIC) and in $p$ + $p$ /Pb col…

nucl-ex2013

Cold-nuclear-matter effects on heavy-quark production at forward and backward rapidity in d+Au collisions at sqrt(s_NN)=200 GeV

A. Adare, C. Aidala, N. N. Ajitanand +421

The PHENIX experiment has measured open heavy-flavor production via semileptonic decay muons over the transverse momentum range 1 < pT < 6 GeV/c at forward and backward rapidity (1…

Direct photon production in d+Au collisions at sqrt(s_NN)=200 GeV

A. Adare, S. S. Adler, S. Afanasiev +543

Direct photons have been measured in sqrt(s_NN)=200 GeV d+Au collisions at midrapidity. A wide p_T range is covered by measurements of nearly-real virtual photons (1<p_T<6 GeV/c) a…

hep-ex2025

Cross sections of $I^\cdot$ mesons in $p$ $+$ $p$ collisions at forward rapidity at $s = 500$ GeV and central rapidity at $s = 510$ GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +497

We present the first measurements of the forward and midrapidity $I^\cdot$ -meson cross sections from $p$ $+$ $p$ collisions at $s = 500$ and $510$ ~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-ex2017

Measurements of $e^{+} e^{-}$ pairs from open heavy flavor in $p$ + $p$ and $d$ + $A$ collisions at $s_{N N} = 200$ GeV

A. Adare, S. Afanasiev, C. Aidala +505

We report a measurement of $e^{+} e^{-}$ pairs from semileptonic heavy-flavor decays in $p$ + $p$ collisions at $s_{N N} = 200$ ~GeV. The $e^{+} e^{-}$ pair yield from $b b ˉ$ and $c\bar…

Production of $b b ˉ$ at forward rapidity in $p$ + $p$ collisions at $s = 510$ GeV

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

The cross section of bottom quark-antiquark ( $b b ˉ$ ) production in $p$ + $p$ collisions at $s = 510$ GeV is measured with the PHENIX detector at the Relativistic Heavy Ion C…

nucl-ex2017

Measurement of the relative yields of $I ¨ (2 S)$ to $I ¨ (1 S)$ mesons produced at forward and backward rapidity in $p$ $+$ $p$ , $p$ $+$ Al, $p$ $+$ Au, and $^{3}$ He $+$ Au collisions at $s_{_{N N}} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +358

The PHENIX Collaboration has measured the ratio of the yields of $I ¨ (2 S)$ to $I ¨ (1 S)$ mesons produced in $p$ $+$ $p$ , $p$ $+$ Al, $p$ $+$ Au, and $^{3}$ He $+$ Au collisions at $\sqrt{s_{_{…

$I ¨ $ meson production in the forward/backward rapidity region in Cu $+$ Au collisions at $s_{N N} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +509

The PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) has measured $I ¨ $ meson production and its nuclear modification in asymmetric Cu $+$ Au heavy-ion collisions at $\…

Nuclear-Modification Factor for Open-Heavy-Flavor Production at Forward Rapidity in Cu+Cu Collisions at sqrt(s_NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala +373

Background: Heavy-flavor production in p+p collisions tests perturbative-quantum-chromodynamics (pQCD) calculations. Modification of heavy-flavor production in heavy-ion collisions…

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…

cond-mat1996

M. Inaba, H. Matsukawa, M. Saitoh +1

The NÃ©el and the singlet RVB orders of the {\it t-J} model in a 2D square lattice are studied in the slave-boson mean-field approximation. It is shown that the NÃ©el order paramet…

nucl-ex2023

Measurement of $I ¨ $ -meson production in Cu $+$ Au at $s_{_{N N}} = 200$ GeV and U $+$ U at $s_{_{N N}} = 193$ GeV

N. J. Abdulameer, U. Acharya, C. Aidala +408

The PHENIX experiment reports systematic measurements at the Relativistic Heavy Ion Collider of $I ¨ $ -meson production in asymmetric Cu $+$ Au collisions at $s_{_{N N}}$ =200 GeV…

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

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +322

The PHENIX experiment at the Relativistic Heavy Ion Collider measured the second Fourier component $v_{2}$ of the direct-photon azimuthal anisotropy at midrapidity in Au $+$ Au collisi…

hep-ex2019

Nonperturbative transverse momentum broadening in dihadron angular correlations in $s_{N N} = 200$ GeV proton-nucleus collisions

C. Aidala, Y. Akiba, M. Alfred +296

The PHENIX collaboration has measured high- $p_{T}$ dihadron correlations in $p$ $+$ $p$ , $p$ $+$ Al, and $p$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV. The correlations arise from in…

Measurement of long-range angular correlation and quadrupole anisotropy of pions and (anti)protons in central $d$ $+$ Au collisions at $s_{_{N N}}$ =200 GeV

A. Adare, C. Aidala, N. N. Ajitanand +421

We present azimuthal angular correlations between charged hadrons and energy deposited in calorimeter towers in central $d$ $+$ Au and minimum bias $p$ $+$ $p$ collisions at $\sqrt{s_{…

nucl-ex2018

Measurements of mass-dependent azimuthal anisotropy in central $p$ $+$ Au, $d$ $+$ Au, and $^{3}$ He $+$ Au collisions at $s_{_{N N}} = 200$ GeV

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

We present measurements of the transverse-momentum dependence of elliptic flow $v_{2}$ for identified pions and (anti)protons at midrapidity ( $∣ I^\cdot ∣ < 0.35$ ), in 0%--5% central $p$ $+$ Au…

Disentangling centrality bias and final-state effects in the production of high- $p_{T}$ $I ¨ ^{0}$ using direct $I^^{3}$ in $d$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV

N. J. Abdulameer, U. Acharya, C. Aidala +275

PHENIX presents a simultaneous measurement of the production of direct $I^^{3}$ and $I ¨ ^{0}$ in $d$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV over a $p_{T}$ range of 7.5 to 18 GeV/ $c$ …

physics.ins-det2024

A Large-Scale Pad-Sensor Based Prototype of the Silicon Tungsten Electromagnetic Calorimeter for the Forward Direction in ALICE at LHC

R. G. E. Barthel, T. Chujo, T. Hachiya +21

We constructed a large-scale electromagnetic calorimeter prototype as a part of the Forward Calorimeter upgrade project (FoCal) for the ALICE experiment at the Large Hadron Collide…

Heavy-quark production and elliptic flow in Au $+$ Au collisions at $s_{_{N N}} = 62.4$ 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 ( $∣ y ∣ <$ 0.35) in Au $+$ Au collisions at $\sqrt{s_{_{NN}}}=62.4…

J/psi suppression at forward rapidity in Au+Au collisions at sqrt(s_NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala +381

Heavy quarkonia are observed to be suppressed in relativistic heavy ion collisions relative to their production in p+p collisions scaled by the number of binary collisions. In orde…

An Upgrade Proposal from the PHENIX Collaboration

A. Adare, S. Afanasiev, C. Aidala +473

In this document the PHENIX collaboration proposes a major upgrade to the PHENIX detector at the Relativistic Heavy Ion Collider. This upgrade, sPHENIX, enables an extremely rich j…

Nuclear dependence of the transverse-single-spin asymmetry for forward neutron production in polarized $p$ $+$ $A$ collisions at $s_{_{N N}} = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +312

During 2015 the Relativistic Heavy Ion Collider (RHIC) provided collisions of transversely polarized protons with Au and Al nuclei for the first time, enabling the exploration of t…

Single-spin asymmetry of $J / I ¨ $ production in $p$ $+$ $p$ , $p$ $+$ Al, and $p$ $+$ Au collisions with transversely polarized proton beams at $s_{_{N N}} = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +289

We report the transverse single-spin asymmetries of $J / I ¨ $ production at forward and backward rapidity, $1.2 < ∣ y ∣ < 2.2$ , as a function of $J / I ¨ $ transverse momentum ( $p_{T}$ ) and Feynm…

nucl-ex2022

Systematic study of nuclear effects in $p$ $+$ Al, $p$ $+$ Au, $d$ $+$ Au, and $^{3}$ He $+$ Au collisions at $s_{_{N N}} = 200$ GeV using $I ¨ ^{0}$ production

U. A. Acharya, A. Adare, C. Aidala +550

The PHENIX collaboration presents a systematic study of $I ¨ ^{0}$ production from $p$ $+$ $p$ , $p$ $+$ Al, $p$ $+$ Au, $d$ $+$ Au, and $^{3}$ He $+$ Au collisions at $s_{_{N N}} = 200$ GeV.…