Publications (13)
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 Ïabsorption within nuclear matter by means of Ï- -induced reactions on C and W targets at an incident beam momentum of 1.7 GeV/c studie…
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.…
Go4 v2 Analysis Framework
J. Adamczewski, M. Al-Turany, D. Bertini +2
Go4 developed at GSI is an analysis framework with a general purpose non blocking GUI. Go4 is based on ROOT. The GUI is implemented in Qt using GSI's QtROOT interface. Analysis and…
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…
Resistive Plate Chambers for Precise Measurement of High-Momentum Protons in Short Range Correlations at RB
M. Xarepe, T. Aumann, A. Blanco +12
The Reactions with Relativistic Radioactive Beams (RB) collaboration of the Facility for Antiproton and Ion Research (FAIR) in Darmstadt, Germany, has constructed an experiment…
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~\ma…
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 hypernu…
Low Gain Avalanche Detectors for the HADES reaction time (T) detector upgrade
J. Pietraszko, T. Galatyuk, V. Kedych +15
Low Gain Avalanche Detector (LGAD) technology has been used to design and construct prototypes of time-zero detector for experiments utilizing proton and pion beams with High Accep…
Production and electromagnetic decay of hyperons: a feasibility study with HADES as a Phase-0 experiment at FAIR
J. Adamczewski-Musch, A. Belyaev, A. Blanco +127
A feasibility study has been performed in order to investigate the performance of the HADES detector to measure the electromagnetic decays of the hyperon resonances , $…
Developments in ROOT I/O and trees
R. Brun, P. Canal, M. Frank +4
For the last several months the main focus of development in the ROOT I/O package has been code consolidation and performance improvements. Access to remote files is affected both…
Measurement of global polarization of Î hyperons in few-GeV heavy-ion collisions
R. Abou Yassine, J. Adamczewski-Musch, C. Asal +105
The global polarization of Î hyperons along the total orbital angular momentum of a relativistic heavy-ion collision is presented based on the high statistics data samples collect…
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…
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…