219 citations · 3.2k across the 121 of their papers we have counts for
30 papers · 1 filter
-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…
Studies of CPT symmetry in positronium decays with 192 plastic strip J-PET detector
N. Chug, S. D. Bass, E. Y. Beyene +40
A direct test of the CPT symmetry is performed for the electromagnetic decays of ortho-positronium using the J-PET tomograph. We present the precise measurement of the CPT-sensitiv…
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…
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…
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…
Production of hydrogen isotopes and charged pions in p (3.5 GeV) + Nb reactions
R. Abou Yassine, O. Arnold, M. Becker +85
The double differential production cross sections, , for hydrogen isotopes and charged pions in the reaction of p + Nb at 3.5 GeV proton beam energy have been measured b…
Proton, deuteron and triton flow measurements in Au+Au collisions at GeV
HADES collaboration, J. Adamczewski-Musch, O. Arnold +102
High precision measurements of flow coefficients () for protons, deuterons and tritons relative to the first-order spectator plane have been performed in Au+Au c…
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…
Impact of the Coulomb field on charged-pion spectra in few-GeV heavy-ion collisions
J. Adamczewski-Musch, O. Arnold, C. Behnke +124
In nuclear collisions the incident protons generate a Coulomb field which acts on produced charged particles. The impact of these interactions on charged pion transverse-mass and r…
Testing CPT symmetry in ortho-positronium decays with positronium annihilation tomography
Paweł Moskal, Aleksander Gajos, Muhsin Mohammed +35
Charged lepton system symmetry under combined charge, parity, and time-reversal transformation (CPT) remains scarcely tested. Despite stringent quantum-electrodynamic limits, discr…
Correlated pion-proton pair emission off hot and dense QCD matter
J. Adamczewski-Musch, O. Arnold, C. Behnke +119
In this letter we report the first multi-differential measurement of correlated pion-proton pairs from 2 billion Au+Au collisions at \sqrt{s_{NN}} = 2.42 GeV collected with HADES.…
Directed, elliptic and higher order flow harmonics of protons, deuterons and tritons in Au+Au collisions at GeV
HADES collaboration, J. Adamczewski-Musch, O. Arnold +123
Flow coefficients of the orders are measured with the High-Acceptance DiElectron Spectrometer (HADES) at GSI for protons, deuterons and tritons as a function of…
Two-Pion production in the second resonance region in collisions with HADES
J. Adamczewski-Musch, O. Arnold, E. T. Atomssa +117
Pion induced reactions provide unique opportunities for an unambiguous description of baryonic resonances and their coupling channels by means of a partial wave analysis. Using the…
Proton number fluctuations in = 2.4 GeV Au+Au collisions studied with HADES
J. Adamczewski-Musch, O. Arnold, C. Behnke +117
We present an analysis of proton number fluctuations in = 2.4 GeV Au+Au collisions measured with the High-Acceptance DiElectron Spectrometer (HADES) at GSI. With th…
Identical pion intensity interferometry at sqrt(s_{NN})=2.4 GeV
J. Adamczewski-Musch, O. Arnold, C. Behnke +116
High-statistics and femtoscopy data are presented for Au+Au collisions at GeV, measured with HADES at SIS18/GSI. The experimental corre…
Sub-threshold production of K^{0}_{s} mesons and Λ hyperons in Au(1.23A GeV)+Au
HADES collaboration, J. Adamczewski-Musch, O. Arnold +113
We present first data on sub-threshold production of K0 s mesons and Λ hyperons in Au+Au collisions at = 2.4 GeV. We observe an universal <Apart> scaling of hadrons…
Strong absorption of hadrons with hidden and open strangeness in nuclear matter
J. Adamczewski-Musch, O. Arnold, E. T. Atomssa +115
We present the first observation of K- and ϕabsorption within nuclear matter by means of π- -induced reactions on C and W targets at an incident beam momentum of 1.7 GeV/c studied…
Identical pion intensity interferometry in central Au+Au collisions at 1.23A GeV
J. Adamczewski-Musch, O. Arnold, C. Behnke +114
We investigate identical pion HBT intensity interferometry for central Au+Au collisions at 1.23A GeV. High-statistics and data are measured with HADES at SIS18/GS…
Centrality determination of Au+Au collisions at 1.23A GeV with HADES
HADES collaboration, J. Adamczewski-Musch, O. Arnold +106
The centrality determination for Au+Au collisions at 1.23A GeV, as measured with HADES at the GSI-SIS18, is described. In order to extract collision geometry related quantities, su…
production in proton nucleus collisions near threshold
J. Adamczewski-Musch, G. Agakishiev, O. Arnold +100
The production of baryons in the nuclear reaction p (3.5 GeV) + Nb (corresponding to GeV) is studied with the detector set-up HADES at GSI, Darmstadt.…
Analysis of the exclusive final state npee in quasi-free np reaction
J. Adamczewski-Musch, O. Arnold, E. T. Atomssa +114
We report on the investigation of dielectron production in tagged quasi-free neutron-proton collisions by using a deuteron beam of kinetic energy 1.25 GeV/u inpinging on a liquid h…
(1232) Dalitz decay in proton-proton collisions at T=1.25 GeV measured with HADES
J. Adamczewski-Musch, O. Arnold, E. T. Atomssa +114
We report on the investigation of (1232) production and decay in proton-proton collisions at a kinetic energy of 1.25 GeV measured with HADES. Exclusive dilepton decay channels…
Deep sub-threshold ϕ production and implications for the K+/K- freeze-out in Au+Au collisions
J. Adamczewski-Musch, O. Arnold, C. Behnke +110
We present data on charged kaons (K+-) and ϕ mesons in Au(1.23A GeV)+Au collisions. It is the first simultaneous measurement of K and ϕ mesons in central heavy-ion collisions below…
Feasibility study for the measurement of TDAs at PANDA in
PANDA Collaboration, B. Singh, W. Erni +508
The exclusive charmonium production process in annihilation with an associated meson is studied in the framework of QCD collinear factorizatio…