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Charged-pion production in Au+ Au collisions at √sNN=2.4GeV : HADES Collaboration

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dc.abstract.enAbstractWe present high-statistic data on charged-pion emission from Au + Au collisions at$$\sqrt{s_{\mathrm{NN}}} = 2.4~\hbox {GeV}$$sNN=2.4GeV(corresponding to$$E_{beam} = 1.23~\hbox {A GeV}$$Ebeam=1.23A GeV) in four centrality classes in the range 0–40% of the most central collisions. The data are analyzed as a function of transverse momentum, transverse mass, rapidity, and polar angle. Pion multiplicity per participating nucleon decreases moderately with increasing centrality. The polar angular distributions are found to be non-isotropic even for the most central event class. Our results on pion multiplicity fit well into the general trend of the available world data, but undershoot by$$2.5~\sigma $$2.5σdata from the FOPI experiment measured at slightly lower beam energy. We compare our data to state-of-the-art transport model calculations (PHSD, IQMD, PHQMD, GiBUU and SMASH) and find substantial differences between the measurement and the results of these calculations.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorMatulewicz, Tomasz
dc.contributor.authorPiasecki, Krzysztof
dc.contributor.authorMaier, L.
dc.contributor.authorKardan, B.
dc.contributor.authorKaravicheva, T.
dc.contributor.authorKolb, B. W.
dc.contributor.authorKohls, M.
dc.contributor.authorKoenig, W.
dc.contributor.authorKoenig, I.
dc.contributor.authorMüntz, C.
dc.contributor.authorMaurus, S.
dc.contributor.authorMarkert, J.
dc.contributor.authorMangiarotti, A.
dc.contributor.authorMalige, A.
dc.contributor.authorMorozov, S.
dc.contributor.authorMihaylov, D. M.
dc.contributor.authorMichel, J.
dc.contributor.authorMetag, V.
dc.contributor.authorLadygin, V.
dc.contributor.authorKurilkin, P.
dc.contributor.authorKotte, R.
dc.contributor.authorKornas, F.
dc.contributor.authorKorcyl, G.
dc.contributor.authorKurilkin, A.
dc.contributor.authorKurepin, A.
dc.contributor.authorKunz, T.
dc.contributor.authorKugler, A.
dc.contributor.authorWirth, J.
dc.contributor.authorWiebusch, M. G.
dc.contributor.authorUsenko, E.
dc.contributor.authorTsertos, H.
dc.contributor.authorWendisch, C.
dc.contributor.authorWagner, V.
dc.contributor.authorParpottas, Y.
dc.contributor.authorNowakowski, K.
dc.contributor.authorNaumann, L.
dc.contributor.authorSpataro, S.
dc.contributor.authorMünzer, R.
dc.contributor.authorPechenova, O.
dc.contributor.authorPechenov, V.
dc.contributor.authorSchuldes, H.
dc.contributor.authorScheib, T.
dc.contributor.authorRustamov, A.
dc.contributor.authorRost, A.
dc.contributor.authorSalabura, P.
dc.contributor.authorSadovsky, A.
dc.contributor.authorSzala, M.
dc.contributor.authorTraxler, M.
dc.contributor.authorTlusty, P.
dc.contributor.authorPietraszko, J.
dc.contributor.authorPetukhov, O.
dc.contributor.authorLebedev, A.
dc.contributor.authorLapidus, K.
dc.contributor.authorLalik, R.
dc.contributor.authorZumbruch, P.
dc.contributor.authorZanevsky, Y.
dc.contributor.authorMahmoud, T.
dc.contributor.authorLorenz, M.
dc.contributor.authorLopes, L.
dc.contributor.authorSvoboda, O.
dc.contributor.authorStröbele, H.
dc.contributor.authorSpies, S.
dc.contributor.authorSturm, C.
dc.contributor.authorStroth, J.
dc.contributor.authorRamos, S.
dc.contributor.authorPysz, K.
dc.contributor.authorPrzygoda, W.
dc.contributor.authorRathod, N.
dc.contributor.authorRamstein, B.
dc.contributor.authorRodriguez-Ramos, P.
dc.contributor.authorReshetin, A.
dc.contributor.authorBlanco, A.
dc.contributor.authorBerger-Chen, J. C.
dc.contributor.authorBelyaev, A.
dc.contributor.authorBelounnas, A.
dc.contributor.authorRosier, P.
dc.contributor.authorBlume, C.
dc.contributor.authorEpple, E.
dc.contributor.authorDreyer, J.
dc.contributor.authorFonte, P.
dc.contributor.authorFilip, P.
dc.contributor.authorFateev, O.
dc.contributor.authorFabbietti, L.
dc.contributor.authorSingh, U.
dc.contributor.authorSilva, L.
dc.contributor.authorSobolev, Yu. G.
dc.contributor.authorSmyrski, J.
dc.contributor.authorSellheim, P.
dc.contributor.authorSeck, F.
dc.contributor.authorSiebenson, J.
dc.contributor.authorSelyuzhenkov, I.
dc.contributor.authorBehnke, C.
dc.contributor.authorArnold, O.
dc.contributor.authorAdamczewski-Musch, J.
dc.contributor.authorScozzi, F.
dc.contributor.authorSchwab, E.
dc.contributor.authorGarzón, J. A.
dc.contributor.authorGreifenhagen, R.
dc.contributor.authorGolubeva, M.
dc.contributor.authorGläßel, S.
dc.contributor.authorGernhäuser, R.
dc.contributor.authorKämpfer, B.
dc.contributor.authorIvashkin, A.
dc.contributor.authorIerusalimov, A.
dc.contributor.authorHeinz, T.
dc.contributor.authorHarabasz, S.
dc.contributor.authorGumberidze, M.
dc.contributor.authorGuber, F.
dc.contributor.authorHolzmann, R.
dc.contributor.authorHöhne, C.
dc.contributor.authorHlavac, S.
dc.contributor.authorHennino, T.
dc.contributor.authorChlad, L.
dc.contributor.authorChernenko, S.
dc.contributor.authorBordalo, P.
dc.contributor.authorBöhmer, M.
dc.contributor.authorGalatyuk, T.
dc.contributor.authorFröhlich, I.
dc.contributor.authorFriese, J.
dc.contributor.authorFranco, C.
dc.contributor.authorDeveaux, C.
dc.contributor.authorCiepał, I.
dc.contributor.authorKornakov, Georgy
dc.contributor.authorWójcik, Dominika
dc.date.accessioned2024-01-24T19:12:14Z
dc.date.available2024-01-24T19:12:14Z
dc.date.copyright2020-10-01
dc.date.issued2020
dc.description.accesstimeAT_PUBLICATION
dc.description.financePublikacja bezkosztowa
dc.description.number10
dc.description.versionORIGINAL_AUTHOR
dc.description.volume56
dc.identifier.doi10.1140/EPJA/S10050-020-00237-2
dc.identifier.issn1434-6001
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/102944
dc.identifier.weblinkhttps://link.springer.com/article/10.1140/epja/s10050-020-00237-2
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofEuropean Physical Journal A
dc.relation.pages259 (17 stron)
dc.rightsCC-BY
dc.sciencecloudnosend
dc.titleCharged-pion production in Au+ Au collisions at √sNN=2.4GeV : HADES Collaboration
dc.typeJournalArticle
dspace.entity.typePublication