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Inclusive dielectron spectra in p+p collisions at 3.5 GeV kinetic beam energy

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Inclusive dielectron spectra in p+p collisions at 3.5 GeV kinetic beam energy

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dc.contributor.author Agakishiev, G. pl
dc.contributor.author Bałanda, Andrzej [SAP11003402] pl
dc.contributor.author Belver, D. pl
dc.contributor.author Belyaev, A. pl
dc.contributor.author Blanco, A. pl
dc.contributor.author Böhmer, M. pl
dc.contributor.author Boyard, J. L. pl
dc.contributor.author Cabanelas, P. pl
dc.contributor.author Castro, E. pl
dc.contributor.author Chen, J. C. pl
dc.contributor.author Chernenko, S. pl
dc.contributor.author Christ, T. pl
dc.contributor.author Destefanis, M. pl
dc.contributor.author Dohrmann, F. pl
dc.contributor.author Dybczak, Adrian [USOS8059] pl
dc.contributor.author Epple, E. pl
dc.contributor.author Fabbietti, L. pl
dc.contributor.author Fateev, O. pl
dc.contributor.author Finocchiaro, P. pl
dc.contributor.author Fonte, P. pl
dc.contributor.author Friese, J. pl
dc.contributor.author Fröhlich, I. pl
dc.contributor.author Galatyuk, T. pl
dc.contributor.author Garzón, J. A. pl
dc.contributor.author Gernhäuser, R. pl
dc.contributor.author Gilardi, C. pl
dc.contributor.author Golubeva, M. pl
dc.contributor.author González-Díaz, D. pl
dc.contributor.author Guber, F. pl
dc.contributor.author Gumberidze, M. pl
dc.contributor.author Heinz, T. pl
dc.contributor.author Hennino, T. pl
dc.contributor.author Holzmann, R. pl
dc.contributor.author Ierusalimov, A. pl
dc.contributor.author Iori, I. pl
dc.contributor.author Ivashkin, A. pl
dc.contributor.author Jurkovic, M. pl
dc.contributor.author Kämpfer, B. pl
dc.contributor.author Kanaki, K. pl
dc.contributor.author Karavicheva, T. pl
dc.contributor.author Koenig, I. pl
dc.contributor.author Koenig, W. pl
dc.contributor.author Kolb, B. W. pl
dc.contributor.author Kotte, R. pl
dc.contributor.author Krása, A. pl
dc.contributor.author Krizek, F. pl
dc.contributor.author Krücken, R. pl
dc.contributor.author Kuc, Hubert [USOS122173] pl
dc.contributor.author Kühn, W. pl
dc.contributor.author Kugler, A. pl
dc.contributor.author Kurepin, A. pl
dc.contributor.author Lalik, R. pl
dc.contributor.author Lang, S. pl
dc.contributor.author Lange, J. S. pl
dc.contributor.author Lapidus, K. pl
dc.contributor.author Liu, T. pl
dc.contributor.author Lopes, L. pl
dc.contributor.author Lorenz, M. pl
dc.contributor.author Maier, L. pl
dc.contributor.author Mangiarotti, A. pl
dc.contributor.author Markert, J. pl
dc.contributor.author Metag, V. pl
dc.contributor.author Michalska, Beata [USOS8215] pl
dc.contributor.author Michel, J. pl
dc.contributor.author Morinière, E. pl
dc.contributor.author Mousa, J. pl
dc.contributor.author Müntz, C. pl
dc.contributor.author Naumann, L. pl
dc.contributor.author Otwinowski, Jacek pl
dc.contributor.author Pachmayer, Y. C. pl
dc.contributor.author Pałka, Marek [SAP14007322] pl
dc.contributor.author Parpottas, Y. pl
dc.contributor.author Pechenov, V. pl
dc.contributor.author Pechenova, O. pl
dc.contributor.author Pietraszko, J. pl
dc.contributor.author Przygoda, Witold [SAP11016049] pl
dc.contributor.author Ramstein, B. pl
dc.contributor.author Reshetin, A. pl
dc.contributor.author Rustamov, A. pl
dc.contributor.author Sadovsky, A. pl
dc.contributor.author Salabura, Piotr [SAP11011883] pl
dc.contributor.author Schmah, A. pl
dc.contributor.author Schwab, E. pl
dc.contributor.author Siebenson, J. pl
dc.contributor.author Sobolev, Yu. G. pl
dc.contributor.author Spataro, S. pl
dc.contributor.author Spruck, B. pl
dc.contributor.author Ströbele, H. pl
dc.contributor.author Stroth, J. pl
dc.contributor.author Sturm, C. pl
dc.contributor.author Tarantola, A. pl
dc.contributor.author Teilab, K. pl
dc.contributor.author Tlusty, P. pl
dc.contributor.author Traxler, M. pl
dc.contributor.author Trębacz, Radosław pl
dc.contributor.author Tsertos, H. pl
dc.contributor.author Wagner, V. pl
dc.contributor.author Weber, M. pl
dc.contributor.author Wendisch, C. pl
dc.contributor.author Wüstenfeld, J. pl
dc.contributor.author Yurevich, S. pl
dc.contributor.author Zanevsky, Y. pl
dc.date.accessioned 2016-05-18T13:07:18Z
dc.date.available 2016-05-18T13:07:18Z
dc.date.issued 2012 pl
dc.identifier.issn 1434-6001 pl
dc.identifier.uri http://ruj.uj.edu.pl/xmlui/handle/item/26411
dc.language eng pl
dc.rights Udzielam licencji. Uznanie autorstwa 3.0 *
dc.rights.uri http://creativecommons.org/licenses/by/3.0/legalcode *
dc.title Inclusive dielectron spectra in p+p collisions at 3.5 GeV kinetic beam energy pl
dc.type JournalArticle pl
dc.abstract.en We present the inclusive invariant mass, transverse momentum and rapidity distributions of dielectrons ($e^{+}e^{-}$ pairs) in p+p interactions at 3.5GeV beam kinetic energy. In the vector meson mass region, a distinct peak corresponding to direct $\omega$ decays is reconstructed with a 2% mass resolution. The data is compared to predictions from three model calculations. Due to the large acceptance of the HADES apparatus for $e^{+}e^{-}$ invariant masses above 0.2 GeV/c$^{2}$ and for transverse pair momenta $p_{t}$ < 1 GeV/c, acceptance corrections are, to a large extent, model independent. This allows us to extract from dielectron data for the first time at this energy the inclusive production cross-sections for light vector mesons. Inclusive production cross-sections for $\pi^{\circ}$ and $\eta$ mesons are also reported. The obtained results will serve as an important reference for the study of vector meson production in proton-nucleus and heavy-ion collisions. Furthermore, using this data, an improved value for the upper bound of the branching ratio for direct \eta decays into the electron-positron channel is obtained. pl
dc.description.volume 48 pl
dc.description.number 5 pl
dc.description.publication 0,7 pl
dc.identifier.doi 10.1140/epja/i2012-12064-y pl
dc.identifier.eissn 1434-601X pl
dc.title.journal The European Physical Journal. A, Hadrons and Nuclei pl
dc.contributor.institution HADES Collaboration pl
dc.language.container eng pl
dc.affiliation Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego pl
dc.subtype Article pl
dc.identifier.articleid 64 pl
dc.rights.original CC-BY; inne; ostateczna wersja wydawcy; w momencie opublikowania; 0; pl
dc.identifier.project ROD UJ / P pl
.pointsMNiSW [2012 A]: 25


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Udzielam licencji. Uznanie autorstwa 3.0 Except where otherwise noted, this item's license is described as Udzielam licencji. Uznanie autorstwa 3.0