papers

Publications (40)

hep-ex2019

Nonperturbative transverse momentum broadening in dihadron angular correlations in GeV proton-nucleus collisions

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

The PHENIX collaboration has measured high- dihadron correlations in , Al, and Au collisions at GeV. The correlations arise from in…

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…

hep-ex2021

Transverse momentum dependent forward neutron single spin asymmetries in transversely polarized collisions at GeV

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

In 2015, the PHENIX collaboration has measured very forward () single-spin asymmetries of inclusive neutrons in transversely polarized proton-proton and proton-nucleus coll…

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…

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…

hep-ex2018

Nonperturbative transverse-momentum-dependent effects in dihadron and direct photon-hadron angular correlations in collisions at GeV

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

Dihadron and isolated direct photon-hadron angular correlations are measured in collisions at GeV. The correlations are sensitive to nonperturbative initia…

hep-ex2017

Nuclear dependence of the transverse-single-spin asymmetry for forward neutron production in polarized collisions at 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…

hep-ex2017

Nonperturbative-transverse-momentum effects and evolution in dihadron and direct photon-hadron angular correlations in collisions at =510 GeV

A. Adare, C. Aidala, N. N. Ajitanand +463

Dihadron and isolated direct photon-hadron angular correlations are measured in collisions at GeV. Correlations of charged hadrons of GeV/

hep-ex2018

Single-spin asymmetry of production in , Al, and Au collisions with transversely polarized proton beams at GeV

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

We report the transverse single-spin asymmetries of production at forward and backward rapidity, , as a function of transverse momentum () and Feynm…

nucl-ex2017

B-meson production at forward and backward rapidity in + and Cu+Au collisions at =200 GeV

C. Aidala, N. N. Ajitanand, Y. Akiba +456

The fraction of mesons which come from B-meson decay, , is measured for J/ rapidity \mbox{} and in + and Cu+A…

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-ex2019

Nuclear dependence of the transverse single-spin asymmetry in the production of charged hadrons at forward rapidity in polarized , Al, and Au collisions at 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 , Al a…

nucl-ex2025

Low-mass vector-meson production at forward rapidity in and AuAu collisions at ~GeV

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

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

hep-ex2017

Angular decay coefficients of mesons at forward rapidity from collisions at GeV

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

We report the first measurement of the full angular distribution for inclusive decays in collisions at GeV. The measurements…

nucl-ex2022

Measurement of nuclear modification at backward and forward rapidity in , Al, and Au collisions at GeV

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

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

hep-ex2023

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…

hep-ex2023

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…

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-ex2018

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-ex2023

Measurements of second-harmonic Fourier coefficients from azimuthal anisotropies in , Au, Au, and HeAu collisions at GeV

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

Recently, the PHENIX Collaboration has published second- and third-harmonic Fourier coefficients and for midrapidity () charged hadrons in 0\%--5\% central $…

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…

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…

hep-ex2020

Nuclear-modification factor of charged hadrons at forward and backward rapidity in Al and Au collisions at GeV

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

The PHENIX experiment has studied nuclear effects in Al and Au collisions at GeV on charged hadron production at forward rapidity (,…

astro-ph.IM2022

ETpathfinder: a cryogenic testbed for interferometric gravitational-wave detectors

A. Utina, A. Amato, J. Arends +112

The third-generation of gravitational wave observatories, such as the Einstein Telescope (ET) and Cosmic Explorer (CE), aim for an improvement in sensitivity of at least a factor o…

hep-ex2019

Measurement of charm and bottom production from semileptonic hadron decays in collisions at GeV

C. Aidala, Y. Akiba, M. Alfred +299

Measurements of the differential production of electrons from open-heavy-flavor hadrons with charm- and bottom-quark content in collisions at GeV are prese…

physics.ins-det2016

Performance of a Quintuple-GEM Based RICH Detector Prototype

M. Blatnik, K. Dehmelt, A. Deshpande +9

Cerenkov technology is often the optimal choice for particle identification in high energy particle collision applications. Typically, the most challenging regime is at high pseudo…

nucl-ex2018

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

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

Recently, multiparticle-correlation measurements of relativistic HeAu, Pb, and even collisions have shown surprising collective signatures. Here we prese…

hep-ex2022

Transverse-single-spin asymmetries of charged pions at midrapidity in transversely polarized collisions at 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-ex2025

Measurement of inclusive jet cross section and substructure in collisions at GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +443

The jet cross-section and jet-substructure observables in collisions at GeV were measured by the PHENIX Collaboration at the Relativistic Heavy Ion Collide…

hep-ex2018

Correlations of , , and pairs in + collisions at GeV and implications for and production mechanisms

C. Aidala, Y. Akiba, M. Alfred +290

PHENIX has measured the azimuthal correlations of muon pairs from charm and bottom semi-leptonic decays in + collisions at GeV, using a novel analysis techniqu…

nucl-ex2017

Measurement of long-range angular correlations and azimuthal anisotropies in high-multiplicity Au collisions at 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 in high-multiplicity Au collisions at $\sqr…

nucl-ex2022

Study of -meson production in Al, Au, Au, and HeAu collisions at 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…

hep-ex2019

Measurements of pairs from open heavy flavor and Drell-Yan in collisions at GeV

C. Aidala, Y. Akiba, M. Alfred +290

PHENIX reports differential cross sections of pairs from semileptonic heavy-flavor decays and the Drell-Yan production mechanism measured in collisions at $\sqrt{s…

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…

hep-ex2021

Probing gluon spin-momentum correlations in transversely polarized protons through midrapidity isolated direct photons in collisions at 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…

hep-ex2022

Transverse single spin asymmetries of forward neutrons in , Al, and Au collisions at GeV as a function of transverse and longitudinal momenta

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

In 2015 the PHENIX collaboration at the Relativistic Heavy Ion Collider recorded , Al, and Au collision data at center of mass energies of $\sqrt{s_{_{NN}}}=20…

hep-ex2021

Transverse single-spin asymmetries of midrapidity and mesons in polarized collisions at GeV

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

We present a measurement of the transverse single-spin asymmetry for and mesons in collisions in the pseudorapidity range and at a center…

nucl-ex2017

Measurement of the relative yields of to mesons produced at forward and backward rapidity in , Al, Au, and HeAu collisions at GeV

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

The PHENIX Collaboration has measured the ratio of the yields of to mesons produced in , Al, Au, and HeAu collisions at $\sqrt{s_{_{…

hep-ex2020

Measurement of at forward and backward rapidity in +, l, u, and He+Au collisions at

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…

cond-mat.mes-hall2013

Spintronic Oscillator Based on Magnetic Field Feedback

D. Dixit, K. Konishi, C. V. Tomy +2

We present a circuit design of a spintronic oscillator based on magnetic tunnel junction. In this design, a dc current is passed through a magnetic tunnel junction which is connect…