Bochum 2009 – wissenschaftliches Programm

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HK: Fachverband Hadronen und Kerne

HK 13: Hadron Structure and Spectroscopy I

HK 13.3: Vortrag

Montag, 16. März 2009, 17:00–17:15, H-ZO 20

Status of the Analysis of Double Pion Production in Proton-Proton Collisions — •Tamer Tolba and James Ritman — Institut für Kernphysik and Jülich Center for Hadron Physics, Forschungszentrum Jülich, D-52425 Jülich, Germany

Pion production, especially double pion production, in proton-proton collisions is one of the sources of information on the nucleon-nucleon (NN) interaction and on nucleon resonance properties.
The mechanisms for double pion production in proton-proton collisions are strongly momentum dependent and are dominated by baryon resonance intermediate states.
In this work, the WASA-at-COSY facility is used to measure double pion production at a proton beam kinetic energy of 1400 MeV.
The status of the analysis will be presented.
Supported by BMBF and Wallenberg Foundation.