activity
20222026
most citedMeasurement of global polarization of Λ hyperons in few-GeV heavy-ion collisions

57 citations · 138 across the 19 of their papers we have counts for

collaborators

22 papers

nucl-ex2026

-QCD; Proposal for Experiments at the GSI Pion Beam Facility

HADES Collaboration, R. Abou Yassine, J. Adamczewski-Musch +127

We propose to investigate the dynamics of hadronic matter in the strong QCD regime using the pion-beam facility at GSI in conjunction with HADES. This program will study hadron phy…

hep-ex2026

Measurement of Differential Cross Sections and Integrated Luminosity using Proton-Proton Elastic Scattering with HADES at T = 4.53 GeV and T = 1.60 GeV

HADES Collaboration, R. Abou Yassine, J. Adamczewski-Musch +125

This work presents an investigation of elastic proton-proton scattering based on data collected with the recently upgraded HADES detector using beams of protons with kinetic energi…

nucl-ex2025

Formation and lifetime measurements of light hypernuclei in Ag+Ag collisions at = 2.55 GeV

R. Abou Yassine, J. Adamczewski-Musch, C. Asal +111

We present the first observation of and in Ag+Ag collisions at = 2.55 GeV, emitted around mid-rapidity. The hypernucl…

nucl-ex2025

Evidence of Spin-Interference Effects in Exclusive Photoproduction in Ultraperipheral Heavy-Ion Collisions

The STAR Collaboration

We report the first evidence of spin interference in exclusive photoproduction in ultraperipheral heavy-ion collisions at STAR at ~GeV. In Au+A…

hep-ex2025

Study of Central Exclusive Production of , and Pairs in Proton-Proton Collisions at GeV with the STAR Detector at RHIC

STAR Collaboration, B. E. Aboona, J. Adam +378

We report on the first measurement of the Central Exclusive Production process in proton-proton collisions: (where ) at the center-of-…

nucl-ex2025★ 3 cited

Observation of charmonium sequential suppression in heavy-ion collisions at the Relativistic Heavy Ion Collider

STAR Collaboration, B. E. Aboona, J. Adam +370

We report measurements of charmonium sequential suppression in Ru+Ru and Zr+Zr collisions at = 200 GeV with the STAR experiment at the Relativistic Heavy…

hep-ex2025★ 4 cited

Energy Independence of the Collins Asymmetry in Collisions

STAR Collaboration, B. E. Aboona, J. Adam +367

The STAR experiment reports new, high-precision measurements of the transverse single-spin asymmetries for within jets, namely the Collins asymmetries, from transversely…

nucl-ex2025

Measurement of inclusive production in Au+Au collisions at GeV at STAR

The STAR Collaboration

This article presents measurements of inclusive production at midrapidity ( 1.0) in Au+Au collisions at GeV with the STAR dete…

hep-ex2025★ 16 cited

Measuring spin correlation between quarks during QCD confinement

The STAR Collaboration

The vacuum is now understood to possess a rich and complex structure, characterized by fluctuating energy fields and a condensate of virtual quark-antiquark pairs. The spontaneous…

nucl-ex2025★ 13 cited

Onset of Constituent Quark Number Scaling in Heavy-Ion Collisions at RHIC

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

Partonic collectivity is one of the necessary signatures for the formation of quark-gluon plasma in high-energy nuclear collisions. Number of constituent quarks (NCQ) scaling has b…

nucl-ex2024★ 10 cited

Light Nuclei Femtoscopy and Baryon Interactions in 3 GeV Au+Au Collisions at RHIC

The STAR Collaboration

We report the measurements of proton-deuteron (-) and deuteron-deuteron (-) correlation functions in Au+Au collisions at = 3 GeV using fixed-targ…

nucl-ex2024★ 3 cited

Tracking the baryon number with nuclear collisions

STAR Collaboration

Baryon quantum number is believed to be conserved since baryogenesis in the early Universe. While fractionally charged valence quarks are understood conventionally to each carry a…

nucl-ex2024★ 7 cited

Correlations of event activity with hard and soft processes in + Au collisions at = 200 GeV at STAR

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

With the STAR experiment at the BNL Relativisic Heavy Ion Collider, we characterize = 200 GeV p+Au collisions by event activity (EA) measured within the pseu…

nucl-ex2024

Temperature Measurement of Quark-Gluon Plasma at Different Stages

STAR Collaboration

In a Quark-Gluon Plasma (QGP), the fundamental building blocks of matter, quarks and gluons, are under extreme conditions of temperature and density. A QGP could exist in the early…

nucl-ex2023★ 1 cited

Measurement of flow coefficients in high-multiplicity +Au, +Au and HeAu collisions at =200 GeV

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

Flow coefficients ( and ) are measured in high-multiplicity +Au, +Au, and HeAu collisions at a center-of-mass energy of = 200 G…

nucl-ex2023★ 19 cited

Production of Protons and Light Nuclei in Au+Au Collisions at = 3 GeV with the STAR Detector

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

We report the systematic measurement of protons and light nuclei production in Au+Au collisions at = 3 GeV by the STAR experiment at the Relativistic Heavy…

nucl-ex2023

Inclusive ee production in collisions of pions with protons and nuclei in the second resonance region of baryons

R. Abou Yassine, J. Adamczewski-Musch, O. Arnold +125

Inclusive ee production has been studied with HADES in + p, + C and reactions, using the GSI pion beam at = 1.49 GeV. Inva…

nucl-ex2023★ 1 cited

Hadron Production and Propagation in Pion-Induced Reactions on Nuclei

R. Abou Yassine, J. Adamczewski-Musch, O. Arnold +125

Hadron production (, proton, , , ) in and collisions is investigated at an incident pion beam momentum of $1.7~\mathrm…

nucl-ex2023

Investigation of the Production Mechanism in p(3.5 GeV)+p Collisions

R. Abou Yassine, O. Arnold, M. Becker +88

The production of hyperons in proton proton collisions at a beam kinetic energy of 3.5 GeV impinging on a liquid hydrogen target was investigated using data collected with th…

nucl-th2022★ 4 cited

Spheroidal expansion and freeze-out geometry of heavy-ion collisions in the few-GeV energy regime

Szymon Harabasz, Jędrzej Kołaś, Radosław Ryblewski +6

A spheroidal model of the expansion of hadronic matter produced in heavy-ion collisions in the few-GeV energy regime is proposed. It constitutes an extension of the spherically sym…

nucl-ex2022★ 57 cited

Measurement of global polarization of Λ hyperons in few-GeV heavy-ion collisions

R. Abou Yassine, J. Adamczewski-Musch, C. Asal +105

The global polarization of Λ hyperons along the total orbital angular momentum of a relativistic heavy-ion collision is presented based on the high statistics data samples collecte…

nucl-ex2022

First measurement of massive virtual photon emission from N* baryon resonances

R. Abou Yassine, J. Adamczewski-Musch, O. Arnold +127

First information on the time-like electromagnetic structure of baryons in the second resonance region has been obtained from measurements of dielectron (e+ e-) invariant-mass and…