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Article ; Online: Directed, Elliptic, and Higher Order Flow Harmonics of Protons, Deuterons, and Tritons in Au+Au Collisions at sqrt[s_{NN}]=2.4 GeV.

Adamczewski-Musch, J / Arnold, O / Behnke, C / Belounnas, A / Belyaev, A / Berger-Chen, J C / Blanco, A / Blume, C / Böhmer, M / Bordalo, P / Chernenko, S / Chlad, L / Ciepal, I / Deveaux, C / Dreyer, J / Epple, E / Fabbietti, L / Fateev, O / Filip, P /

Fonte, P / Franco, C / Friese, J / Fröhlich, I / Galatyuk, T / Garzón, J A / Gernhäuser, R / Golosov, O / Golubeva, M / Greifenhagen, R / Guber, F / Gumberidze, M / Harabasz, S / Heinz, T / Hennino, T / Hlavac, S / Höhne, C / Holzmann, R / Ierusalimov, A / Ivashkin, A / Kämpfer, B / Karavicheva, T / Kardan, B / Koenig, I / Koenig, W / Kohls, M / Kolb, B W / Korcyl, G / Kornakov, G / Kornas, F / Kotte, R / Kugler, A / Kunz, T / Kurepin, A / Kurilkin, A / Kurilkin, P / Ladygin, V / Lalik, R / Lapidus, K / Lebedev, A / Lopes, L / Lorenz, M / Mahmoud, T / Maier, L / Malige, A / Mamaev, M / Mangiarotti, A / Markert, J / Matulewicz, T / Maurus, S / Metag, V / Michel, J / Mihaylov, D M / Morozov, S / Müntz, C / Münzer, R / Naumann, L / Nowakowski, K / Parpottas, Y / Pechenov, V / Pechenova, O / Petukhov, O / Piasecki, K / Pietraszko, J / Przygoda, W / Pysz, K / Ramos, S / Ramstein, B / Rathod, N / Reshetin, A / Rodriguez-Ramos, P / Rosier, P / Rost, A / Rustamov, A / Sadovsky, A / Salabura, P / Scheib, T / Schuldes, H / Schwab, E / Scozzi, F / Seck, F / Sellheim, P / Selyuzhenkov, I / Siebenson, J / Silva, L / Singh, U / Smyrski, J / Sobolev, Yu G / Spataro, S / Spies, S / Ströbele, H / Stroth, J / Sturm, C / Svoboda, O / Szala, M / Tlusty, P / Traxler, M / Tsertos, H / Usenko, E / Wagner, V / Wendisch, C / Wiebusch, M G / Wirth, J / Wójcik, D / Zanevsky, Y / Zumbruch, P

Physical review letters

2020 Volume 125, Issue 26, Page(s) 262301

Abstract: 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 centrality, transverse momentum, and rapidity in Au+Au collisions at sqrt[s_{NN}] ...

Abstract	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 centrality, transverse momentum, and rapidity in Au+Au collisions at sqrt[s_{NN}]=2.4 GeV. Combining the information from the flow coefficients of all orders allows us to construct for the first time, at collision energies of a few GeV, a multidifferential picture of the angular emission pattern of these particles. It reflects the complicated interplay between the effect of the central fireball pressure on the emission of particles and their subsequent interaction with spectator matter. The high precision information on higher order flow coefficients is a major step forward in constraining the equation of state of dense baryonic matter.
Language	English
Publishing date	2020-10-23
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.125.262301
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Article ; Online: Electromagnetic Calorimeter for HADES Experiment

Rodríguez-Ramos P. / Chlad L. / Epple E. / Fabbietti L. / Galatyuk T. / Golubeva M. / Guber F. / Hlaváč S. / Ivashkin A. / Kajetanowic M. / Kardan B. / Koenig W. / Korcyl G. / Kugler A. / Lapidus K. / Linev S. / Lisowski E. / Neiser A. / Ott O. /

Otte O. / Pethukov O. / Pietraszko J. / Reshetin A. / Rost A. / Salabura P. / Sobolev Y.G. / Svoboda O. / Thomas A. / Tlusty P. / Traxler M.

EPJ Web of Conferences, Vol 81, p

2014 Volume 06009

Abstract: Electromagnetic calorimeter (ECAL) is being developed to complement dilepton spectrometer HADES. ECAL will enable the HADES@FAIR experiment to measure data on neutral meson production in heavy ion collisions at the energy range of 2-10 AGeV on the beam ... ...

Abstract	Electromagnetic calorimeter (ECAL) is being developed to complement dilepton spectrometer HADES. ECAL will enable the HADES@FAIR experiment to measure data on neutral meson production in heavy ion collisions at the energy range of 2-10 AGeV on the beam of future accelerator SIS100@FAIR. We will report results of the last beam test with quasi-monoenergetic photons carried out in MAMI facility at Johannes Gutenberg Universität Mainz.
Keywords	Physics ; QC1-999 ; Science ; Q
Language	English
Publishing date	2014-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Electromagnetic Calorimeter for HADES Experiment

Otte O. / Pethukov O. / Pietraszko J. / Reshetin A. / Rost A. / Salabura P. / Sobolev Y.G. / Svoboda O. / Thomas A. / Tlusty P. / Traxler M.

EPJ Web of Conferences, Vol 81, p

2014 Volume 06009

Abstract	Electromagnetic calorimeter (ECAL) is being developed to complement dilepton spectrometer HADES. ECAL will enable the HADES@FAIR experiment to measure data on neutral meson production in heavy ion collisions at the energy range of 2-10 AGeV on the beam of future accelerator SIS100@FAIR. We will report results of the last beam test with quasi-monoenergetic photons carried out in MAMI facility at Johannes Gutenberg Universität Mainz.
Keywords	Physics ; QC1-999 ; Science ; Q
Language	English
Publishing date	2014-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Subthreshold Ξ^{-} production in collisions of p(3.5 GeV)+Nb.

Agakishiev, G / Arnold, O / Balanda, A / Belver, D / Belyaev, A V / Berger-Chen, J C / Blanco, A / Böhmer, M / Boyard, J L / Cabanelas, P / Chernenko, S / Dybczak, A / Epple, E / Fabbietti, L / Fateev, O V / Finocchiaro, P / Fonte, P / Friese, J / Fröhlich, I /

Galatyuk, T / Garzón, J A / Gernhäuser, R / Göbel, K / Golubeva, M / González-Díaz, D / Guber, F / Gumberidze, M / Heinz, T / Hennino, T / Holzmann, R / Ierusalimov, A / Iori, I / Ivashkin, A / Jurkovic, M / Kämpfer, B / Karavicheva, T / Koenig, I / Koenig, W / Kolb, B W / Kornakov, G / Kotte, R / Krása, A / Krizek, F / Krücken, R / Kuc, H / Kühn, W / Kugler, A / Kurepin, A / Ladygin, V / Lalik, R / Lang, S / Lapidus, K / Lebedev, A / Liu, T / Lopes, L / Lorenz, M / Maier, L / Mangiarotti, A / Markert, J / Metag, V / Michalska, B / Michel, J / Müntz, C / Müntzer, R / Naumann, L / Pachmayer, Y C / Palka, M / Parpottas, Y / Pechenov, V / Pechenova, O / Pietraszko, J / Przygoda, W / Ramstein, B / Reshetin, A / Rustamov, A / Sadovsky, A / Salabura, P / Schmah, A / Schwab, E / Siebenson, J / Sobolev, Yu G / Spataro, S / Spruck, B / Ströbele, H / Stroth, J / Sturm, C / Tarantola, A / Teilab, K / Tlusty, P / Traxler, M / Trebacz, R / Tsertos, H / Vasiliev, T / Wagner, V / Weber, M / Wendisch, C / Wüstenfeld, J / Yurevich, S / Zanevsky, Y V

Physical review letters

2015 Volume 114, Issue 21, Page(s) 212301

Abstract: Results on the production of the double strange cascade hyperon Ξ^{-} are reported for collisions of p(3.5 GeV)+Nb, studied with the High Acceptance Di-Electron Spectrometer (HADES) at SIS18 at GSI Helmholtzzentrum for Heavy-Ion Research, Darmstadt. For ...

Abstract	Results on the production of the double strange cascade hyperon Ξ^{-} are reported for collisions of p(3.5 GeV)+Nb, studied with the High Acceptance Di-Electron Spectrometer (HADES) at SIS18 at GSI Helmholtzzentrum for Heavy-Ion Research, Darmstadt. For the first time, subthreshold Ξ^{-} production is observed in proton-nucleus interactions. Assuming a Ξ^{-} phase-space distribution similar to that of Λ hyperons, the production probability amounts to P_{Ξ^{-}}=[2.0±0.4(stat)±0.3(norm)±0.6(syst)]×10^{-4} resulting in a Ξ^{-}/(Λ+Σ^{0}) ratio of P_{Ξ^{-}}/P_{Λ+Σ^{0}}=[1.2±0.3(stat)±0.4(syst)]×10^{-2}. Available model predictions are significantly lower than the measured Ξ^{-} yield.
Language	English
Publishing date	2015-05-29
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.114.212301
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Strong Absorption of Hadrons with Hidden and Open Strangeness in Nuclear Matter.

Adamczewski-Musch, J / Arnold, O / Atomssa, E T / Behnke, C / Belounnas, A / Belyaev, A / Berger-Chen, J C / Biernat, J / Blanco, A / Blume, C / Böhmer, M / Chernenko, S / Chlad, L / Chudoba, P / Ciepał, I / Deveaux, C / Dittert, D / Dreyer, J / Epple, E /

Fabbietti, L / Fateev, O / Fonte, P / Franco, C / Friese, J / Fröhlich, I / Galatyuk, T / Garzón, J A / Gernhäuser, R / Golubeva, M / Greifenhagen, R / Guber, F / Gumberidze, M / Harabasz, S / Heinz, T / Hennino, T / Höhne, C / Holzmann, R / Ierusalimov, A / Ivashkin, A / Kämpfer, B / Kardan, B / Koenig, I / Koenig, W / Kolb, B W / Korcyl, G / Kornakov, G / Kornas, F / Kotte, R / Kuboś, J / Kugler, A / Kunz, T / Kurepin, A / Kurilkin, A / Kurilkin, P / Ladygin, V / Lalik, R / Lapidus, K / Lebedev, A / Linev, S / Lopes, L / Lorenz, M / Mahmoud, T / Maier, L / Malige, A / Markert, J / Maurus, S / Metag, V / Michel, J / Mihaylov, D M / Mikhaylov, V / Morozov, S / Müntz, C / Münzer, R / Naumann, L / Nowakowski, K / Parpottas, Y / Pechenov, V / Pechenova, O / Petukhov, O / Pietraszko, J / Prozorov, A P / Przygoda, W / Ramstein, B / Rathod, N / Reshetin, A / Rodriguez-Ramos, P / Rost, A / Sadovsky, A / Salabura, P / Scheib, T / Schmidt-Sommerfeld, K / Schuldes, H / Schwab, E / Scozzi, F / Seck, F / Sellheim, P / Siebenson, J / Silva, L / Smyrski, J / Spataro, S / Spies, S / Ströbele, H / Stroth, J / Strzempek, P / Sturm, C / Svoboda, O / Szala, M / Tlusty, P / Traxler, M / Tsertos, H / Ungethüm, C / Vázquez Doce, O / Wagner, V / Wendisch, C / Wiebusch, M G / Wirth, J / Wójcik, D / Zanevsky, Y / Zumbruch, P / Curceanu, C / Piscicchia, K / Scordo, A

Physical review letters

2015 Volume 123, Issue 2, Page(s) 22002

Abstract: We present the first observation of K^{-} and ϕ absorption 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 with HADES at SIS18/GSI. The double ratio (K^{-}/K^{+})_{W}/(K^{-}/ ... ...

Abstract	We present the first observation of K^{-} and ϕ absorption 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 with HADES at SIS18/GSI. The double ratio (K^{-}/K^{+})_{W}/(K^{-}/K^{+})_{C} is found to be 0.319±0.009(stat)_{-0.012}^{+0.014}(syst) indicating a larger absorption of K^{-} in heavier targets as compared to lighter ones. The measured ϕ/K^{-} ratios in π^{-}+C and π^{-}+W reactions within the HADES acceptance are found to be equal to 0.55±0.04(stat)_{-0.07}^{+0.06}(syst) and to 0.63±0.06(stat)_{-0.11}^{+0.11}(syst), respectively. The similar ratios measured in the two different reactions demonstrate for the first time experimentally that the dynamics of the ϕ meson in nuclear medium is strongly coupled to the K^{-} dynamics. The large difference in the ϕ production off C and W nuclei is discussed in terms of a strong ϕN in-medium coupling. These results are relevant for the description of heavy-ion collisions and the structure of neutron stars.
Language	English
Publishing date	2015-09-30
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.123.022002
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Highlights of Resonance Measurements With HADES

Epple Eliane / Adamczewski-Musch J. / Arnold O. / Atomssa E.T. / Behnke C. / Berger-Chen J.C. / Biernat J. / Blanco A. / Blume C. / Böhmer M. / Bordalo P. / Chernenko S. / Deveaux C. / Dybczak A. / Fabbietti L. / Fateev O. / Fonte P. / Franco C. / Friese J. /

Fröhlich I. / Galatyuk T. / Garzón J. A. / Gill K. / Golubeva M. / Guber F. / Gumberidze M. / Harabasz S. / Hennino T. / Hlavac S. / Höhne C. / Holzmann R. / Ierusalimov A. / Ivashkin A. / Jurkovic M. / Kämpfer B. / Karavicheva T. / Kardan K. / Koenig I. / Koenig W. / Kolb B. W. / Korcyl G. / Kornakov G. / Kotte R. / Krása A. / Krebs E. / Kuc H. / Kugler A. / Kunz T. / Kurepin A. / Kurilkin A. / Kurilkin P. / Ladygin V. / Lalik R. / Lapidus K. / Lebedev A. / Lopes L. / Lorenz M. / Mahmoud T. / Maier L. / Mangiarotti A. / Markert J. / Metag V. / Michel J. / Müntz C. / Münzer R. / Naumann L. / Palka M. / Parpottas Y. / Pechenov V. / Pechenova O. / Petousis V. / Pietraszko J. / Przygoda W. / Ramstein B. / Rehnisch L. / Reshetin A. / Rost A. / Rustamov A. / Sadovsky A. / Salabura P. / Scheib T. / Schmidt-Sommerfeld K. / Schuldes H. / Sellheim P. / Siebenson J. / Silva L. / Sobolev Yu.G. / Spataro S. / Ströbele H. / Stroth J. / Strzempek P. / Sturm C. / Svoboda O. / Tarantola A. / Teilab K. / Tlusty P. / Traxler M. / Tsertos H. / Vasiliev T. / Wagner V. / Wendisch C. / Wirth J. / Wüstenfeld J. / Zanevsky Y. / Zumbruch P.

EPJ Web of Conferences, Vol 97, p

2015 Volume 00015

Abstract: This contribution aims to give a basic overview of the latest results regarding the production of resonances in different collision systems. The results were extracted from experimental data collected with HADES that is a multipurpose detector located at ...

Abstract	This contribution aims to give a basic overview of the latest results regarding the production of resonances in different collision systems. The results were extracted from experimental data collected with HADES that is a multipurpose detector located at the GSI Helmholtzzentrum, Darmstadt. The main points discussed here are: the properties of the strange resonances Λ(1405) and Σ(1385), the role of Δ’s as a source of pions in the final state, the production dynamics reflected in form of differential cross sections, and the role of the ϕ meson as a source for K− particles.
Keywords	Science ; Q ; Physics ; QC1-999
Language	English
Publishing date	2015-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Investigating hadronic resonances in pp interactions with HADES

Przygoda Witold / Adamczewski-Musch J. / Arnold O. / Atomssa E.T. / Behnke C. / Berger-Chen J.C. / Biernat J. / Blanco A. / Blume C. / Böhmer M. / Bordalo P. / Chernenko S. / Deveaux C. / Dybczak A. / Epple E. / Fabbietti L. / Fateev O. / Fonte P. / Franco C. /

Friese J. / Fröhlich I. / Galatyuk T. / Garzón J. A. / Gill K. / Golubeva M. / Guber F. / Gumberidze M. / Harabasz S. / Hennino T. / Hlavac S. / Höhne C. / Holzmann R. / Ierusalimov A. / Ivashkin A. / Jurkovic M. / Kämpfer B. / Karavicheva T. / Kardan B. / Koenig I. / Koenig W. / Kolb B. W. / Korcyl G. / Kornakov G. / Kotte R. / Krása A. / Krebs E. / Kuc H. / Kugler A. / Kunz T. / Kurepin A. / Kurilkin A. / Kurilkin P. / Ladygin V. / Lalik R. / Lapidus K. / Lebedev A. / Lopes L. / Lorenz M. / Mahmoud T. / Maier L. / Mangiarotti A. / Markert J. / Metag V. / Michel J. / Müntz C. / Münzer R. / Naumann L. / Palka M. / Parpottas Y. / Pechenov V. / Pechenova O. / Petousis V. / Pietraszko J. / Ramstein B. / Rehnisch L. / Reshetin A. / Rost A. / Rustamov A. / Sadovsky A. / Salabura P. / Scheib T. / Schmidt-Sommerfeld K. / Schuldes H. / Sellheim P. / Siebenson J. / Silva L. / Sobolev Yu.G. / Spataro S. / Ströbele H. / Stroth J. / Strzempek P. / Sturm C. / Svoboda O. / Tarantola A. / Teilab K. / Tlusty P. / Traxler M. / Tsertos H. / Vasiliev T. / Wagner V. / Wendisch C. / Wirth J. / Wüstenfeld J. / Zanevsky Y. / Zumbruch P.

EPJ Web of Conferences, Vol 97, p

2015 Volume 00024

Abstract: In this paper we report on the investigation of baryonic resonance production in proton-proton collisions at the kinetic energies of 1.25 GeV and 3.5 GeV, based on data measured with HADES. Exclusive channels npπ+ and ppπ0 as well as ppe+e− were studied ... ...

Abstract	In this paper we report on the investigation of baryonic resonance production in proton-proton collisions at the kinetic energies of 1.25 GeV and 3.5 GeV, based on data measured with HADES. Exclusive channels npπ+ and ppπ0 as well as ppe+e− were studied simultaneously in the framework of a one-boson exchange model. The resonance cross sections were determined from the one-pion channels for Δ(1232) and N(1440) (1.25 GeV) as well as further Δ and N* resonances up to 2 GeV/c2 for the 3.5 GeV data. The data at 1.25 GeV energy were also analysed within the framework of the partial wave analysis together with the set of several other measurements at lower energies. The obtained solutions provided the evolution of resonance production with the beam energy, showing a sizeable non-resonant contribution but with still dominating contribution of Δ(1232)P33. In the case of 3.5 GeV data, the study of the ppe+e− channel gave the insight on the Dalitz decays of the baryon resonances and, in particular, on the electromagnetic transition form-factors in the time-like region. We show that the assumption of a constant electromagnetic transition form-factors leads to underestimation of the yield in the dielectron invariant mass spectrum below the vector mesons pole. On the other hand, a comparison with various transport models shows the important role of intermediate ρ production, though with a large model dependency. The exclusive channels analysis done by the HADES collaboration provides new stringent restrictions on the parameterizations used in the models.
Keywords	Science ; Q ; Physics ; QC1-999
Language	English
Publishing date	2015-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Low mass dielectrons radiated off cold nuclear matter measured with HADES

Lorenz M. / Agakishiev G. / Behnke C. / Belver D. / Belyaev A. / Berger-Chen J.C. / Blanco A. / Blume C. / Böhmer M. / Cabanelas P. / Chernenko S. / Dritsa C. / Dybczak A. / Epple E. / Fabbietti L. / Fateev O. / Fonte P. / Friese J. / Fröhlich I. /

Galatyuk T. / Garzón J. A. / Gill K. / Golubeva M. / González-Díaz D. / Guber F. / Gumberidze M. / Harabasz S. / Hennino T. / Höhne C. / Holzmann R. / Huck P. / Ierusalimov A. / Ivashkin A. / Jurkovic M. / Kämpfer B. / Karavicheva T. / Koenig I. / Koenig W. / Kolb B. W. / Korcyl G. / Kornakov G. / Kotte R. / Krása A. / Krebs E. / Krizek F. / Kuc H. / Kugler A. / Kurepin A. / Kurilkin A. / Kurilkin P. / Ladygin V. / Lalik R. / Lang S. / Lapidus K. / Lebedev A. / Lopes L. / Maier L. / Mangiarotti A. / Markert J. / Metag V. / Michel J. / Müntz C. / Münzer R. / Naumann L. / Palka M. / Parpottas Y. / Pechenov V. / Pechenova O. / Pietraszko J. / Przygoda W. / Ramstein B. / Rehnisch L. / Reshetin A. / Rustamov A. / Sadovsky A. / Salabura P. / Scheib T. / Schuldes H. / Siebenson J. / Sobolev Yu.G. / Spataro S. / Ströbele H. / Stroth J. / Strzempek P / Sturm C. / Svoboda O. / Tarantola A. / Teilab K. / Tlusty P. / Traxler M. / Tsertos H. / Vasiliev T. / Wagner V. / Weber M. / Wendisch C. / Wüstenfeld J. / Yurevich S. / Zanevsky Y.

EPJ Web of Conferences, Vol 66, p

2014 Volume 09011

Abstract: The High Acceptance DiElectron Spectrometer HADES [1] is installed at the Helmholtzzentrum für Schwerionenforschung (GSI) accelerator facility in Darmstadt. It investigates dielectron emission and strangeness production in the 1-3 AGeV regime. A recent ... ...

Abstract	The High Acceptance DiElectron Spectrometer HADES [1] is installed at the Helmholtzzentrum für Schwerionenforschung (GSI) accelerator facility in Darmstadt. It investigates dielectron emission and strangeness production in the 1-3 AGeV regime. A recent experiment series focusses on medium-modifications of light vector mesons in cold nuclear matter. In two runs, p+p and p+Nb reactions were investigated at 3.5 GeV beam energy; about 9·109 events have been registered. In contrast to other experiments the high acceptance of the HADES allows for a detailed analysis of electron pairs with low momenta relative to nuclear matter, where modifications of the spectral functions of vector mesons are predicted to be most prominent. Comparing these low momentum electron pairs to the reference measurement in the elementary p+p reaction, we find in fact a strong modification of the spectral distribution in the whole vector meson region.
Keywords	Physics ; QC1-999 ; Science ; Q
Subject code	530
Language	English
Publishing date	2014-03-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: HADES results in elementary reactions

Ramstein B. / Adamczewski-Musch J. / Arnold O. / Atomssa E.T. / Behnke C. / Berger-Chen J.C. / Biernat J. / Blanco A. / Blume C. / Böhmer M. / Bordalo P. / Chernenko S. / Deveaux C. / Dybczak A. / Epple E. / Fabbietti L. / Fateev O. / Fonte P. / Franco C. /

Friese J. / Fröhlich I. / Galatyuk T. / Garzón J. A. / Gill K. / Golubeva M. / Guber F. / Gumberidze M. / Harabasz S. / Hennino T. / Hlavac S. / Höhne C. / Holzmann R. / Ierusalimov A. / Ivashkin A. / Jurkovic M. / Kämpfer B. / Karavicheva T. / Kardan K. / Koenig I. / Koenig W. / Kolb B. W. / Korcyl G. / Kornakov G. / Kotte R. / Krása A. / Krebs E. / Kuc H. / Kugler A. / Kunz T. / Kurepin A. / Kurilkin A. / Kurilkin P. / Ladygin V. / Lalik R. / Lapidus K. / Lebedev A. / Lopes L. / Lorenz M. / Mahmoud T. / Maier L. / Mangiarotti A. / Markert J. / Metag V. / Michel J. / Müntz C. / Münzer R. / Naumann L. / Palka M. / Parpottas Y. / Pechenov V. / Pechenova O. / Petousis V. / Pietraszko J. / Przygoda W. / Rehnisch L. / Reshetin A. / Rost A. / Rustamov A. / Sadovsky A. / Salabura P. / Scheib T. / Schmidt-Sommerfeld K. / Schuldes H. / Sellheim P. / Siebenson J. / Silva L. / Sobolev Yu.G. / Spataro S. / Ströbele H. / Stroth J. / Strzempek P. / Sturm C. / Svoboda O. / Tarantola A. / Teilab K. / Tlusty P. / Traxler M. / Tsertos H. / Vasiliev T. / Wagner V. / Wendisch C. / Wirth J. / Wüstenfeld J. / Zanevsky Y. / Zumbruch P.

EPJ Web of Conferences, Vol 81, p

2014 Volume 01003

Abstract: Recent results obtained with the HADES experimental set-up at GSI are presented with a focus on dielectron production and strangeness in pp and quasi-free np reactions. Perspectives related to the very recent experiment using the pion beam at GSI are ... ...

Abstract	Recent results obtained with the HADES experimental set-up at GSI are presented with a focus on dielectron production and strangeness in pp and quasi-free np reactions. Perspectives related to the very recent experiment using the pion beam at GSI are also discussed.
Keywords	Physics ; QC1-999 ; Science ; Q
Language	English
Publishing date	2014-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Measurement of the quasi free np → npπ+π− and np → ppπ−π0 reactions at 1.25 GeV With HADES

Kurilkin A. / Arnold O. / Atomssa E. T. / Behnke C. / Belyaev A. / Berger-Chen J. C. / Biernat J. / Blanco A. / Blume C. / Böhmer M. / Bordalo P. / Chernenko S. / Deveaux C. / Dybczak A. / Epple E. / Fabbietti L. / Fateev O. / Fonte P. / Franco C. /

Friese J. / Fröhlich I. / Galatyuk T. / Garzón J. A. / Gill K. / Golubeva M. / González-Díaz D. / Guber F. / Gumberidze M. / Harabasz S. / Hennino T. / Höhne C. / Holzmann R. / Ierusalimov A. / Ivashkin A. / Jurkovic M. / Kämpfer B. / Karavicheva T. / Kardan K. / Koenig I. / Koenig W. / Kolb B. W. / Korcyl G. / Kornakov G. / Kotte R. / Krása A. / Krebs E. / Krizek F. / Kuc H. / Kugler A. / Kunz T. / Kurepin A. / Kurilkin P. / Ladygin V. / Lalik R. / Lang S. / Lapidus K. / Lebedev A. / Lopes L. / Lorenz M. / Maier L. / Mangiarotti A. / Markert J. / Metag V. / Michel J. / Müntz C. / Münzer R. / Naumann L. / Palka M. / Pechenov V. / Pechenova O. / Petousis V. / Pietraszko J. / Przygoda W. / Ramstein B. / Rehnisch L. / Reshetin A. / Rost A. / Rustamov A. / Sadovsky A. / Salabura P. / Scheib T. / Schmidt-Sommerfeld K. / Schuldes H. / Sellheim P. / Siebenson J. / Silva L. / Sobolev Yu. G. / Spataro S. / Ströbele H. / Stroth J. / Strzempek P. / Sturm C. / Svoboda O. / Tarantola A. / Teilab K. / Tlusty P. / Traxler M. / Tsertos H. / Vasiliev T. / Wagner V. / Wendisch C. / Wirth J. / Wüstenfeld J. / Yurevich S. / Zanevsky Y.

EPJ Web of Conferences, Vol 81, p

2014 Volume 02009

Abstract: We present the results of two-pion production in tagged quasi-free np collisions at a deutron incident beam energy of 1.25 GeV/c measured with the High-Acceptance Di-Electron Spectrometer (HADES) installed at GSI. The specific acceptance of HADES allowed ...

Abstract	We present the results of two-pion production in tagged quasi-free np collisions at a deutron incident beam energy of 1.25 GeV/c measured with the High-Acceptance Di-Electron Spectrometer (HADES) installed at GSI. The specific acceptance of HADES allowed for the first time to obtain high-precision data on π+π− and π−π0 production in np collisions in a region corresponding to large transverse momenta of the secondary particles. The obtained differential cross section data provide strong constraints on the production mechanisms and on the various baryon resonance contributions (∆∆, N(1440), N(1520), ∆(1600)). The invariant mass and angular distributions from the np → npπ+π −and np → ppπ−π0 reactions are compared with different theoretical model predictions.
Keywords	Physics ; QC1-999 ; Science ; Q
Language	English
Publishing date	2014-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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