Bochum 2009 – scientific programme

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HK: Fachverband Hadronen und Kerne

HK 25: Hadron Structure and Spectroscopy II

HK 25.8: Talk

Tuesday, March 17, 2009, 15:45–16:00, H-ZO 30

Analysis Tools and Vertex Reconstruction in PANDA experiment — •Dipak Mishra and Klaus Goetzen — GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstr. 1, 64291 Darmstadt

The physics of strong interaction is one of the most challenging and facinating areas of current science. The PANDA experiment will address various questions related to the strong interactions by employing a multi purpose detector at High Energy Storage Ring (HESR) of the upcoming Facility for Anti proton and Ion Research (FAIR). The main physics programs of PANDA experiment are: Study of charmonium states with unprecedented precision, search for gluonic excitations such as hybrids and glueballs, study the properties of mesons in hidden and open charm in nuclear medium, hyper nuclei spectroscopy and many more physics programs.

In high energy experiments like PANDA, the precise determination of new exotic particles (resonances) are very important. These states which decay to stable particles via intermediate metastable states are usually reconstructed by following a bottom-up approach. In order to effectively separate the secondary vertices from the primary ones, all vertices have to be well reconstructed. For that purpose a set of analysis tools based on the Rho Analysis Package are being implemented comprising desirable functionality like e.g. decay tree reconstruction, kinematic and vertex fitting or PID classification. The current status of these developments will be presented.