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Berlin 2005 – scientific programme

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HK: Physik der Hadronen und Kerne

HK 22: Postersitzung

HK 22.29: Poster

Monday, March 7, 2005, 16:30–18:00, TU MA141

Production and decay of charmonium in dense nuclear matter — •Goran Kruzic1, Elena Bratkovskaya2, Roman Caplar3, and Peter Senger11GSI,Darmstadt,Germany — 2Univ. Frankfurt, Germany — 3IRB Zagreb, Croatia

Production and absorption mechanisms of charmonium in dense nuclear matter have been studied using the Hadron String Dynamics (HSD) model. The HSD code provides a microscopic way of calculating Pt, rapidity, and invariant mass spectra (taking into account in-medium effects) for particles of interest: J/psi, rho, omega and phi. Additionally, the perturbative treatment of charmed mesons in the HSD model ensures predictions of their multiplicities and differential spectra. In order to optimize the layout of the Compressed Baryonic Matter (CBM) detector facility for future experiments at the Facility for Antiproton and Ion Research(FAIR), we have simulated the electron-positron decay channel of J/psi and various sources of background (Pi0->2gamma,Pi0->Dalitz,eta->2gamma,eta->Dalitz,phi>e+e-,rho->e+e-,omega->e+e-) in the range of energies from 10 to 45 GeV/ nucleon.

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