activity
20142026
most citedGlobal hyperon polarization in nuclear collisions: evidence for the most vortical fluid

920 citations · 5.5k across the 114 of their papers we have counts for

collaborators

115 papers

nucl-ex2026

ePIC Early Science Report

D. Abbott, N. Abdelrahman, S. Abhijit +781

This Early Science Report from the ePIC Collaboration outlines the compelling physics program achievable during the first years of operation of the Electron-Ion Collider (EIC), pri…

nucl-ex2026

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

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +379

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

nucl-ex2026

Measurement of isolated prompt photon production in + collisions at 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 () in proton--proton (+) collision…

nucl-ex2026

Measurement of dijet transverse momentum imbalance and azimuthal acoplanarity in + collisions at GeV with the sPHENIX detector

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

This Letter reports on measurements of dijet transverse momentum () imbalance and azimuthal acoplanarity in proton-proton collisions at ~GeV, using da…

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 asymm…

nucl-ex2025

Azimuthal anisotropy of direct photons in AuAu collisions at GeV

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

The PHENIX experiment at the Relativistic Heavy Ion Collider measured the second Fourier component of the direct-photon azimuthal anisotropy at midrapidity in AuAu collisi…

nucl-ex2025★ 2 cited

Measurement of the transverse energy density in Au+Au collisions at GeV with the sPHENIX detector

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

This paper reports measurements of the transverse energy per unit pseudorapidity () produced in Au+Au collisions at GeV, performed with the sPHENIX…

nucl-ex2025★ 3 cited

Measurement of charged hadron multiplicity in Au+Au collisions at 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 GeV is measured using data collected by t…

hep-ph2024

Jet substructure of light and heavy flavor jets at RHIC

Zhuoheng Yang, Oleh Fedkevych, Roli Esha

Jet substructure studies at the Large Hadron Collider have been used to constrain parton distribution functions, test perturbative QCD, measure the strong-coupling constant, and pr…

nucl-ex2024

Measurement of elliptic flow of J in GeV AuAu collisions at forward rapidity

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

We report the first measurement of the azimuthal anisotropy of J at forward rapidity () in AuAu collisions at GeV at the Relativistic Hea…

hep-ex2024

Multiplicity dependent and production at forward and backward rapidity in collisions at GeV

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

The and charmonium states, composed of quark pairs and known since the 1970s, are widely believed to serve as ideal probes to test quantum chromodynamics i…

nucl-ex2024★ 7 cited

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-ex2024★ 5 cited

Jet modification via -hadron correlations in AuAu collisions at 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-th2024

Methodology for Analyzing Proton Multiplicity Fluctuations with Azimuthal Partitions in Heavy-Ion Collisions

Dylan Neff, Zhongling Ji, Roli Esha +2

A primary objective in high-energy heavy-ion collisions is to investigate the phase transition between confined and deconfined color matter. Complementary to the cumulants of conse…

nucl-ex2023

Thermal photon measurements at PHENIX

Roli Esha

Photons are emitted at all stages of relativistic heavy-ion collisions and do not interact with the medium strongly. With access to the versatility of RHIC, measurements of low mom…

hep-ex2023★ 4 cited

Transverse single-spin asymmetry of charged hadrons at forward and backward rapidity in polarized +, +Al, and +Au collisions at GeV}

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

Reported here are transverse single-spin asymmetries () in the production of charged hadrons as a function of transverse momentum () and Feynman- () in polarize…

hep-ex2023

Transverse single-spin asymmetry of midrapidity and mesons in +Au and +Al collisions at 200 GeV

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

Presented are the first measurements of the transverse single-spin asymmetries () for neutral pions and eta mesons in +Au and +Al collisions at Ge…

nucl-ex2022

Low direct photon production at RHIC measured with PHENIX

Roli Esha

PHENIX has used the versatility of RHIC to map out low direct photon production as function of collision system size and beam energy. For systems with a size corresponding…

physics.ins-det2022

ATHENA Detector Proposal -- A Totally Hermetic Electron Nucleus Apparatus proposed for IP6 at the Electron-Ion Collider

ATHENA Collaboration, J. Adam, L. Adamczyk +433

ATHENA has been designed as a general purpose detector capable of delivering the full scientific scope of the Electron-Ion Collider. Careful technology choices provide fine trackin…

nucl-ex2022★ 13 cited

Measurement of -meson production in CuAu at GeV and UU at GeV

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

The PHENIX experiment reports systematic measurements at the Relativistic Heavy Ion Collider of -meson production in asymmetric CuAu collisions at =200 GeV…

hep-ex2022

Improving constraints on gluon spin-momentum correlations in transversely polarized protons via midrapidity open-heavy-flavor electrons in collisions at 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…

nucl-ex2022★ 20 cited

Nonprompt direct-photon production in AuAu collisions at GeV

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

The measurement of the direct-photon spectrum from AuAu collisions at GeV is presented by the PHENIX collaboration using the external-photon-conversion te…

nucl-ex2022★ 3 cited

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-ex2022

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…