papers

Publications (41)

hep-ph2022

Search for Charged Lepton Flavor Violation at the EIC with the ECCE Detector

J. -L. Zhang, S. Mantry, J. K. Adkins +276

The recently approved Electron-Ion Collider (EIC) will provide a unique new opportunity for searches of charged lepton flavor violation (CLFV) and other new physics scenarios. In c…

nucl-ex2024

Reaction plane correlated triangular flow in Au+Au collisions at GeV

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +349

We measure triangular flow relative to the reaction plane at 3 GeV center-of-mass energy in Au+Au collisions at the BNL Relativistic Heavy Ion Collider. A significant signal…

nucl-ex2023

Measurement of electrons from open heavy-flavor hadron decays in Au+Au collisions at GeV with the STAR detector

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +359

We report a new measurement of the production of electrons from open heavy-flavor hadron decays (HFEs) at mid-rapidity ( 0.7) in Au+Au collisions at G…

nucl-ex2023

Search for the Chiral Magnetic Effect in Au+Au collisions at GeV with the STAR forward Event Plane Detectors

STAR Collaboration, B. E. Aboona, J. Adam +355

A decisive experimental test of the Chiral Magnetic Effect (CME) is considered one of the major scientific goals at the Relativistic Heavy-Ion Collider (RHIC) towards understanding…

nucl-ex2023

Observation of Directed Flow of Hypernuclei H and H in = 3 GeV Au+Au Collisions at RHIC

STAR Collaboration, B. E. Aboona, J. Adam +338

We report here the first observation of directed flow () of the hypernuclei H and H in mid-central Au+Au collisions at = 3 GeV at RHIC. These…

nucl-ex2024

Observation of the Antimatter Hypernucleus

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +350

At the origin of the Universe, asymmetry between the amount of created matter and antimatter led to the matter-dominated Universe as we know today. The origins of this asymmetry re…

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…

physics.ins-det2022

Scientific Computing Plan for the ECCE Detector at the Electron Ion Collider

J. C. Bernauer, C. T. Dean, C. Fanelli +271

The Electron Ion Collider (EIC) is the next generation of precision QCD facility to be built at Brookhaven National Laboratory in conjunction with Thomas Jefferson National Laborat…

nucl-ex2023

Evidence of Mass Ordering of Charm and Bottom Quark Energy Loss in Au+Au Collisions at RHIC

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

Partons traversing the strongly interacting medium produced in heavy-ion collisions are expected to lose energy depending on their color charge and mass. We measure the nuclear mod…

physics.ins-det2024

The sPHENIX Micromegas Outer Tracker

S. Aune, B. Azmoun, A. Bonenfant +37

The sPHENIX Time Projection Chamber Outer Tracker (TPOT) is a Micromegas based detector. It is a part of the sPHENIX experiment that aims to facilitate the calibration of the Time…

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-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…

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…

physics.ins-det2022

AI-assisted Optimization of the ECCE Tracking System at the Electron Ion Collider

C. Fanelli, Z. Papandreou, K. Suresh +272

The Electron-Ion Collider (EIC) is a cutting-edge accelerator facility that will study the nature of the "glue" that binds the building blocks of the visible matter in the universe…

nucl-ex2023

Elliptic Flow of Heavy-Flavor Decay Electrons in Au+Au Collisions at = 27 and 54.4 GeV at RHIC

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +359

We report on new measurements of elliptic flow () of electrons from heavy-flavor hadron decays at mid-rapidity () in Au+Au collisions at = 27 a…

hep-ex2022

ECCE unpolarized TMD measurements

R. Seidl, A. Vladimirov, J. K. Adkins +273

We performed feasibility studies for various measurements that are related to unpolarized TMD distribution and fragmentation functions. The processes studied include semi-inclusive…

nucl-ex2023

Measurement of sequential suppression in Au+Au collisions at = 200 GeV with the STAR experiment

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

We report on measurements of sequential suppression in Au+Au collisions at = 200 GeV with the STAR detector at the Relativistic Heavy Ion Collider (R…

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…

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/ 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…

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…

physics.ins-det2022

Open Heavy Flavor Studies for the ECCE Detector at the Electron Ion Collider

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

The ECCE detector has been recommended as the selected reference detector for the future Electron-Ion Collider (EIC). A series of simulation studies have been carried out to valida…

nucl-ex2025

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…

nucl-ex2024

Jet-hadron correlations with respect to the event plane in = 200 GeV Au+Au collisions in STAR

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +348

Angular distributions of charged particles relative to jet axes are studied in = 200 GeV Au+Au collisions as a function of the jet orientation with respect…

nucl-ex2023

Beam Energy Dependence of Triton Production and Yield Ratio () in Au+Au Collisions at RHIC

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

We report the triton () production in mid-rapidity ( 0.5) Au+Au collisions at = 7.7--200 GeV measured by the STAR experiment from the first phase of…

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…

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-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-ex2024

Observation of the electromagnetic field effect via charge-dependent directed flow in heavy-ion collisions at the Relativistic Heavy Ion Collider

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +339

The deconfined quark-gluon plasma (QGP) created in relativistic heavy-ion collisions enables the exploration of the fundamental properties of matter under extreme conditions. Non-c…

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 (+) collisio…

nucl-ex2024

Measurements of charged-particle multiplicity dependence of higher-order net-proton cumulants in + collisions at 200 GeV from STAR at RHIC

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +346

We report on the charged-particle multiplicity dependence of net-proton cumulant ratios up to sixth order from GeV + collisions at the Relativistic Heavy Ion C…

nucl-ex2023

Measurements of the elliptic and triangular azimuthal anisotropies in central He+Au, +Au and +Au collisions at $\mbox{$\sqrt{s_{\mathrm{NN}}}$}$ = 200 GeV

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +343

The elliptic () and triangular () azimuthal anisotropy coefficients in central He+Au, +Au, and +Au collisions at $\mbox{$\sqrt{s_{\mathrm{NN}}}$}$ = 200 GeV a…

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…

nucl-ex2024

Collision-energy Dependence of Deuteron Cumulants and Proton-deuteron Correlations in Au+Au collisions at RHIC

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

We report the first measurements of cumulants, up to order, of deuteron number distributions and proton-deuteron correlations in Au+Au collisions recorded by the STAR expe…

nucl-ex2025

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 sPHENI…

nucl-ex2024

Estimate of Background Baseline and Upper Limit on the Chiral Magnetic Effect in Isobar Collisions at GeV at the Relativistic Heavy-Ion Collider

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

For the search of the chiral magnetic effect (CME), STAR previously presented the results from isobar collisions (, ${^{96}_{40}\text{Z…

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-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…

nucl-ex2023

Hyperon polarization along the beam direction relative to the second and third harmonic event planes in isobar collisions at = 200 GeV

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +345

The polarization of and hyperons along the beam direction has been measured relative to the second and third harmonic event planes in isobar Ru+Ru and Zr+Zr collision…