wovepaper — the arXiv observatory

papers

Publications (24)

nucl-ex2017

Deep sub-threshold Ï 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 Ï mesons in Au(1.23A GeV)+Au collisions. It is the first simultaneous measurement of K and Ï mesons in central heavy-ion collisions bel…

nucl-ex2023

Inclusive e $^{+}$ e $^{-}$ 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 e $^{+}$ e $^{-}$ production has been studied with HADES in $I ¨ ^{-}$ + p, $I ¨ ^{-}$ + C and $I ¨ ^{-} + CH_{2}$ reactions, using the GSI pion beam at $s_{I ¨ p}$ = 1.49 GeV.…

nucl-ex2018

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…

nucl-ex2017

$I^$ (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 $I^$ (1232) production and decay in proton-proton collisions at a kinetic energy of 1.25 GeV measured with HADES. Exclusive dilepton decay channels…

nucl-ex2026

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…

nucl-ex2020

Charged pion production in $Au + Au$ collisions at $s_{NN}$ = 2.4 $GeV$

J. Adamczewski-Musch, O. Arnold, C. Behnke +125

We present high-statistic data on charged pion emission from Au+Au collisions at $s_{NN}$ = 2.4 GeV (corresponding to $E_{b e am}$ = 1.23 A GeV) in four centrality classe…

nucl-ex2018

Sub-threshold production of K^{0}_{s} mesons and Î 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 Î hyperons in Au+Au collisions at $s_{N N}$ = 2.4 GeV. We observe an universal <Apart> scaling of hadron…

nucl-ex2017

$I^£^{0}$ production in proton nucleus collisions near threshold

J. Adamczewski-Musch, G. Agakishiev, O. Arnold +100

The production of $I^£^{0}$ baryons in the nuclear reaction p (3.5 GeV) + Nb (corresponding to $s_{N N} = 3.18$ GeV) is studied with the detector set-up HADES at GSI, Darmstadt.…

nucl-ex2020

Directed, elliptic and higher order flow harmonics of protons, deuterons and tritons in Au+Au collisions at $s_{N N} = 2.4$ GeV

HADES collaboration, J. Adamczewski-Musch, O. Arnold +123

Flow coefficients $v_{n}$ of the orders $n = 1 - 6$ are measured with the High-Acceptance DiElectron Spectrometer (HADES) at GSI for protons, deuterons and tritons as a function of…

nucl-ex2016

Inclusive Î production in proton-proton collisions at 3.5 GeV

J. Adamczewski-Musch, G. Agakishiev, O. Arnold +106

The inclusive production of Î hyperons in proton-proton collisions at $s$ = 3.18 GeV was measured with HADES at the GSI Helmholtzzentrum fÃ¼r Schwerionenforschung in Darmst…

nucl-ex2016

The $I^ p$ interaction studied via femtoscopy in p + Nb reactions at $s_{NN} = 3.18 GeV$

J. Adamczewski-Musch, G. Agakishiev, O. Arnold +103

We report on the first measurement of $p I^$ and $pp$ correlations via the femtoscopy method in p+Nb reactions at $s_{NN} = 3.18 GeV$ , studied with the High…

nucl-ex2024

Proton, deuteron and triton flow measurements in Au+Au collisions at $s_{N N} = 2.4$ GeV

HADES collaboration, J. Adamczewski-Musch, O. Arnold +102

High precision measurements of flow coefficients $v_{n}$ ( $n = 1 - 4$ ) for protons, deuterons and tritons relative to the first-order spectator plane have been performed in Au+Au c…

nucl-ex2017

Analysis of the exclusive final state npe $^{+}$ e $^{-}$ 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…

nucl-ex2020

Two-Pion production in the second resonance region in $I ¨ ^{-} p$ 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…

nucl-ex2020

Identical pion intensity interferometry at sqrt(s_{NN})=2.4 GeV

J. Adamczewski-Musch, O. Arnold, C. Behnke +116

High-statistics $I ¨ ^{-} I ¨ ^{-}$ and $I ¨ ^{+} I ¨ ^{+}$ femtoscopy data are presented for Au+Au collisions at $s_{NN} = 2.4$ GeV, measured with HADES at SIS18/GSI. The experimental c…

nucl-ex2018

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…

nucl-ex2013

An upper limit on hypertriton production in collisions of Ar(1.76 AGeV)+KCl

HADES Collaboration, G. Agakishiev, D. Belver +95

A high-statistic data sample of Ar(1.76 AGeV)+KCl events recorded with HADES is used to search for a hypertriton signal. An upper production limit per centrality-triggered event of…

nucl-ex2020

Proton number fluctuations in $s_{N N}$ = 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 $s_{N N}$ = 2.4 GeV Au+Au collisions measured with the High-Acceptance DiElectron Spectrometer (HADES) at GSI. With th…

nucl-ex2015

Statistical model analysis of hadron yields in proton-nucleus and heavy-ion collisions at SIS 18 energies

G. Agakishiev, O. Arnold, A. Balanda +107

The HADES data from p+Nb collisions at center of mass energy of $s_{N N}$ = 3.2 GeV are analyzed by employing a statistical model. Accounting for the identified hadrons $I ¨ ^{0}$ …

nucl-ex2019

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 $I ¨ ^{-} I ¨ ^{-}$ and $I ¨ ^{+} I ¨ ^{+}$ data are measured with HADES at SIS1…

nucl-ex2023

Hadron Production and Propagation in Pion-Induced Reactions on Nuclei

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

Hadron production ( $I ¨ ^{\pm}$ , proton, $I^$ , $K_{S}^{0}$ , $K^{\pm}$ ) in $I ¨ ^{-} + C$ and $I ¨ ^{-} + W$ collisions is investigated at an incident pion beam momentum of $1.7~\ma…

nucl-ex2020

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.…

hep-ex2013

Searching a Dark Photon with HADES

HADES Collaboration, G. Agakishiev, A. Balanda +98

We present a search for the e+e- decay of a hypothetical dark photon, also names U vector boson, in inclusive dielectron spectra measured by HADES in the p (3.5 GeV) + p, Nb reacti…

nucl-ex2022

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…

Publications (24)

Deep sub-threshold Ï production and implications for the K+/K- freeze-out in Au+Au collisions

Inclusive e+e− production in collisions of pions with protons and nuclei in the second resonance region of baryons

Centrality determination of Au+Au collisions at 1.23A GeV with HADES

I^(1232) Dalitz decay in proton-proton collisions at T=1.25 GeV measured with HADES

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

Charged pion production in Au+Au collisions at sNN​​ = 2.4GeV

Sub-threshold production of K^{0}_{s} mesons and Î hyperons in Au(1.23A GeV)+Au

I^£0 production in proton nucleus collisions near threshold

Directed, elliptic and higher order flow harmonics of protons, deuterons and tritons in Au+Au collisions at sNN​​=2.4 GeV

Inclusive Î production in proton-proton collisions at 3.5 GeV

The I^p interaction studied via femtoscopy in p + Nb reactions at sNN​​=3.18 GeV

Proton, deuteron and triton flow measurements in Au+Au collisions at sNN​​=2.4 GeV

Analysis of the exclusive final state npe+e− in quasi-free np reaction

Two-Pion production in the second resonance region in I¨−p collisions with HADES

Identical pion intensity interferometry at sqrt(s_{NN})=2.4 GeV

Strong absorption of hadrons with hidden and open strangeness in nuclear matter

An upper limit on hypertriton production in collisions of Ar(1.76 AGeV)+KCl

Proton number fluctuations in sNN​​ = 2.4 GeV Au+Au collisions studied with HADES

Statistical model analysis of hadron yields in proton-nucleus and heavy-ion collisions at SIS 18 energies

Identical pion intensity interferometry in central Au+Au collisions at 1.23A GeV

Hadron Production and Propagation in Pion-Induced Reactions on Nuclei

Correlated pion-proton pair emission off hot and dense QCD matter

Searching a Dark Photon with HADES

Impact of the Coulomb field on charged-pion spectra in few-GeV heavy-ion collisions

Deep sub-threshold Ï production and implications for the K+/K- freeze-out in Au+Au collisions

Inclusive e $^{+}$ e $^{-}$ production in collisions of pions with protons and nuclei in the second resonance region of baryons

$I^$ (1232) Dalitz decay in proton-proton collisions at T=1.25 GeV measured with HADES

Charged pion production in $Au + Au$ collisions at $s_{NN}$ = 2.4 $GeV$

Sub-threshold production of K^{0}_{s} mesons and Î hyperons in Au(1.23A GeV)+Au

$I^£^{0}$ production in proton nucleus collisions near threshold

Directed, elliptic and higher order flow harmonics of protons, deuterons and tritons in Au+Au collisions at $s_{N N} = 2.4$ GeV

Inclusive Î production in proton-proton collisions at 3.5 GeV

The $I^ p$ interaction studied via femtoscopy in p + Nb reactions at $s_{NN} = 3.18 GeV$

Proton, deuteron and triton flow measurements in Au+Au collisions at $s_{N N} = 2.4$ GeV

Analysis of the exclusive final state npe $^{+}$ e $^{-}$ in quasi-free np reaction

Two-Pion production in the second resonance region in $I ¨ ^{-} p$ collisions with HADES

Proton number fluctuations in $s_{N N}$ = 2.4 GeV Au+Au collisions studied with HADES