Inclusive pion and eta production in p+Nb collisions at 3.5 GeV beam energy

G. Agakishiev , A. Balanda , D. Belver , A. Belyaev , J.C. Berger-Chen , A. Blanco , M. Boehmer , J. L. Boyard

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P. Cabanelas S. Chernenko A. Dybczak E. Epple L. Fabbbietti O. Fateev P. Finocchiaro P. Fonte J. Friese I. Froehlich T. Galatyuk J. A. Garzon R. Gernhaeuser K. Goebel M. Golubeva D. Gonzalez-Diaz F. Guber M. Gumberidze T. Heinz T. Hennino R. Holzmann A. Ierusalimov I. Iori A. Ivashkin M. Jurkovic B. Kaempfer T. Karavicheva I. Koenig W. Koenig B. W. Kolb G. Kornakov R. Kotte A. Krasa F. Krizek R. Kruecken H. Kuc W. Kuehn A. Kugler A. Kurepin V. Ladygin R. Lalik S. Lang K. Lapidus A. Lebedev T. Liu L. Lopes M. Lorenz L. Maier A. Mangiarotti J. Markert V. Metag B. Michalska J. Michel C. Muentz L. Naumann Y. C. Pachmayer M. Palka Y. Parpottas V. Pechenov O. Pechenova J. Pietraszko W. Przygoda B. Ramstein A. Reshetin A. Rustamov A. Sadovsky P. Salabura A. Schmah E. Schwab J. Siebenson Yu.G. Sobolev S. Spataro B. Spruck H. Stroebele J. Stroth C. Sturm A. Tarantola K. Teilab P. Tlusty M. Traxler R. Trebacz H. Tsertos T. Vasiliev V. Wagner M. Weber C. Wendisch J. Wuestenfeld S. Yurevich Y. Zanevsky

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keywords productionenergybeaminclusivepionaccountbombardingcalculations

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Data on inclusive pion and eta production measured with the dielectron spectrometer HADES in the reaction p+93Nb at a kinetic beam energy of 3.5 GeV are presented. Our results, obtained with the photon conversion method, supplement the rather sparse information on neutral meson production in proton-nucleus reactions existing for this bombarding energy regime. The reconstructed e+e-e+e- transverse-momentum and rapidity distributions are confronted with transport model calculations, which account fairly well for both pi0 and eta production.

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Inclusive pion and eta production in p+Nb collisions at 3.5 GeV beam energy

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