D. Richford

activity

20162026

most citedCreating small circular, elliptical, and triangular droplets of quark-gluon plasma

317 citations · 1.1k across the 62 of their papers we have counts for

collaborators

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27 papers · 1 filter

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 +379

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-ex2026

Measurement of isolated prompt photon production in $p$ + $p$ collisions at $s = 200$ GeV with the sPHENIX detector

sPHENIX Collaboration, M. I. Abdulhamid, U. Acharya +217

The differential cross section of isolated prompt photon production is measured as a function of photon transverse energy ( $E_{T}^{γ}$ ) in proton--proton ( $p$ + $p$ ) collision…

nucl-ex2026

Measurement of dijet transverse momentum imbalance and azimuthal acoplanarity in $p$ + $p$ collisions at $s = 200$ GeV with the sPHENIX detector

sPHENIX Collaboration, M. I. Abdulhamid, U. Acharya +326

This Letter reports on measurements of dijet transverse momentum ( $p_{T}$ ) imbalance and azimuthal acoplanarity in proton-proton collisions at $s = 200$ ~GeV, using da…

nucl-ex2025

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 ( $ω + ρ$ and $ϕ$ ) production through the dimuon decay channel at forward rapidity $(1.…

nucl-ex2025

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…

nucl-ex2025★ 2 cited

Measurement of the transverse energy density in Au+Au collisions at $s_{N N} = 200$ GeV with the sPHENIX detector

sPHENIX Collaboration, M. I. Abdulhamid, U. Acharya +302

This paper reports measurements of the transverse energy per unit pseudorapidity ( $d E_{T} / d η$ ) produced in Au+Au collisions at $s_{N N} = 200$ GeV, performed with the sPHENIX…

nucl-ex2025★ 3 cited

Measurement of charged hadron multiplicity in Au+Au collisions at $s_{NN} = 200$ GeV with the sPHENIX detector

sPHENIX Collaboration, M. I. Abdulhamid, U. Acharya +302

The pseudorapidity distribution of charged hadrons produced in Au+Au collisions at a center-of-mass energy of $s_{NN} = 200$ GeV is measured using data collected by t…

nucl-ex2024

Measurement of elliptic flow of J $/ ψ$ 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 $/ ψ$ at forward rapidity ( $1.2 < ∣ η ∣ < 2.2$ ) in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV at the Relativistic Hea…

nucl-ex2024★ 7 cited

Centrality dependence of Lévy-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…

nucl-ex2024★ 5 cited

Jet modification via $π^{0}$ -hadron correlations in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +532

High-momentum two-particle correlations are a useful tool for studying jet-quenching effects in the quark-gluon plasma. Angular correlations between neutral-pion triggers and charg…

nucl-ex2023★ 8 cited

Identified charged-hadron production in $p$ $+$ Al, $^{3}$ He $+$ Au, and Cu $+$ Au collisions at $s_{_{N N}} = 200$ GeV and in U $+$ U collisions at $s_{_{N N}} = 193$ GeV

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

The PHENIX experiment has performed a systematic study of identified charged-hadron ( $π^{\pm}$ , $K^{\pm}$ , $p$ , $p ˉ$ ) production at midrapidity in $p$ $+$ Al, $^{3}$ He $+$ Au, Cu $+$ Au c…

nucl-ex2023★ 13 cited

Disentangling centrality bias and final-state effects in the production of high- $p_{T}$ $π^{0}$ using direct $γ$ 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 $γ$ and $π^{0}$ in $d$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV over a $p_{T}$ range of 7.5 to 18 GeV/ $c$ fo…

nucl-ex2022★ 13 cited

Measurement of $ϕ$ -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 $ϕ$ -meson production in asymmetric Cu $+$ Au collisions at $s_{_{N N}}$ =200 GeV…

nucl-ex2022★ 20 cited

Nonprompt direct-photon production in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV

U. A. Acharya, A. Adare, C. Aidala +332

The measurement of the direct-photon spectrum from Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV is presented by the PHENIX collaboration using the external-photon-conversion te…

nucl-ex2022★ 3 cited

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…

nucl-ex2022

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…

nucl-ex2022

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 ( $∣ η ∣ < 0.35$ ) charged hadrons in 0\%--5\% central $p…

nucl-ex2022★ 11 cited

Study of $ϕ$ -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…

nucl-ex2022★ 2 cited

Measurement of $ψ (2 S)$ nuclear modification at backward and forward rapidity in $p$ $+$ $p$ , $p$ $+$ Al, and $p$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +313

Suppression of the $J / ψ$ nuclear-modification factor has been seen as a trademark signature of final-state effects in large collision systems for decades. In small systems, the nuc…

nucl-ex2018★ 317 cited

Creating small circular, elliptical, and triangular droplets of quark-gluon plasma

C. Aidala, Y. Akiba, M. Alfred +316

The experimental study of the collisions of heavy nuclei at relativistic energies has established the properties of the quark-gluon plasma (QGP), a state of hot, dense nuclear matt…

nucl-ex2018★ 15 cited

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 $1 < ∣ η ∣ < 3$ in Au $+$ Au collisions at $s_{_{N N}} = 200$ …

nucl-ex2017★ 35 cited

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 ( $∣ η ∣ < 0.35$ ), in 0%--5% central $p$ $+$ Au…

nucl-ex2017★ 53 cited

Lévy-stable two-pion Bose-Einstein correlations in $s_{_{N N}} = 200$ GeV Au $+$ Au collisions

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

We present a detailed measurement of charged two-pion correlation functions in 0%-30% centrality $s_{_{N N}} = 200$ GeV Au $+$ Au collisions by the PHENIX experiment at the Relat…

nucl-ex2017★ 50 cited

Measurements of azimuthal anisotropy and charged-particle multiplicity in $d$ $+$ Au collisions at $s_{_{N N}} =$ 200, 62.4, 39, and 19.6 GeV

C. Aidala, Y. Akiba, M. Alfred +243

We present measurements of the elliptic flow, $v_{2}$ , as a function of transverse momentum ( $p_{T}$ ), pseudorapidity ( $η$ ), and centrality in $d$ $+$ Au collisions at $\sqrt{s_{_{NN}}}=…

Elliptic flow of π0 mesons in Cu+Au collisions at sNN​​​=200 GeV and U+U at sNN​​​=193 GeV

Measurement of isolated prompt photon production in p+p collisions at s​=200 GeV with the sPHENIX detector

Measurement of dijet transverse momentum imbalance and azimuthal acoplanarity in p+p collisions at s​=200 GeV with the sPHENIX detector

Low-mass vector-meson production at forward rapidity in p+p and Au+Au collisions at sNN​​​=200~GeV

Azimuthal anisotropy of direct photons in Au+Au collisions at sNN​​​=200 GeV

Measurement of the transverse energy density in Au+Au collisions at sNN​​=200 GeV with the sPHENIX detector

Measurement of charged hadron multiplicity in Au+Au collisions at sNN​​=200 GeV with the sPHENIX detector

Measurement of elliptic flow of J/ψ in sNN​​​=200 GeV Au+Au collisions at forward rapidity

Centrality dependence of Lévy-stable two-pion Bose-Einstein correlations in sNN​​​=200 GeV Au+Au collisions

Jet modification via π0-hadron correlations in Au+Au collisions at sNN​​​=200 GeV

Identified charged-hadron production in p+Al, 3He+Au, and Cu+Au collisions at sNN​​​=200 GeV and in U+U collisions at sNN​​​=193 GeV

Disentangling centrality bias and final-state effects in the production of high-pT​ π0 using direct γ in d+Au collisions at sNN​​​=200 GeV

Measurement of ϕ-meson production in Cu+Au at sNN​​​=200 GeV and U+U at sNN​​​=193 GeV

Nonprompt direct-photon production in Au+Au collisions at sNN​​​=200 GeV

Charm- and Bottom-Quark Production in Au+Au Collisions at sNN​​​ = 200 GeV

Low-pT​ direct-photon production in Au+Au collisions at sNN​​​=39 and 62.4 GeV

Measurements of second-harmonic Fourier coefficients from azimuthal anisotropies in p+p, p+Au, d+Au, and 3He+Au collisions at sNN​​​=200 GeV

Study of ϕ-meson production in p+Al, p+Au, d+Au, and 3He+Au collisions at sNN​​​=200 GeV

Measurement of ψ(2S) nuclear modification at backward and forward rapidity in p+p, p+Al, and p+Au collisions at sNN​​​=200 GeV

Creating small circular, elliptical, and triangular droplets of quark-gluon plasma

Multi-particle azimuthal correlations for extracting event-by-event elliptic and triangular flow in Au+Au collisions at sNN​​​=200 GeV

Measurements of mass-dependent azimuthal anisotropy in central p+Au, d+Au, and 3He+Au collisions at sNN​​​=200 GeV

Lévy-stable two-pion Bose-Einstein correlations in sNN​​​=200 GeV Au+Au collisions

Measurements of azimuthal anisotropy and charged-particle multiplicity in d+Au collisions at sNN​​​=200, 62.4, 39, and 19.6 GeV

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

Measurement of isolated prompt photon production in $p$ + $p$ collisions at $s = 200$ GeV with the sPHENIX detector

Measurement of dijet transverse momentum imbalance and azimuthal acoplanarity in $p$ + $p$ collisions at $s = 200$ GeV with the sPHENIX detector

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

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

Measurement of the transverse energy density in Au+Au collisions at $s_{N N} = 200$ GeV with the sPHENIX detector

Measurement of charged hadron multiplicity in Au+Au collisions at $s_{NN} = 200$ GeV with the sPHENIX detector

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

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

Jet modification via $π^{0}$ -hadron correlations in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV

Identified charged-hadron production in $p$ $+$ Al, $^{3}$ He $+$ Au, and Cu $+$ Au collisions at $s_{_{N N}} = 200$ GeV and in U $+$ U collisions at $s_{_{N N}} = 193$ GeV

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

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

Nonprompt direct-photon production in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV

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

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

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

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

Measurement of $ψ (2 S)$ nuclear modification at backward and forward rapidity in $p$ $+$ $p$ , $p$ $+$ Al, and $p$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV

Multi-particle azimuthal correlations for extracting event-by-event elliptic and triangular flow in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV

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

Lévy-stable two-pion Bose-Einstein correlations in $s_{_{N N}} = 200$ GeV Au $+$ Au collisions

Measurements of azimuthal anisotropy and charged-particle multiplicity in $d$ $+$ Au collisions at $s_{_{N N}} =$ 200, 62.4, 39, and 19.6 GeV