Reconstructing $ρ^0$ and $ω$ mesons from non-leptonic decays in C+C at 2AGeV

Details Reconstructing $ρ^0$ and $ω$ mesons from non-leptonic decays in C+C at 2AGeV Reconstructing $ρ^0$ and $ω$ mesons from non-leptonic decays in C+C at 2AGeV

2005-09-30

arxiv.org/abs/nucl-th/0509105v1

Phys.Rev. C74 (2006) 014902

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

10.1103/PhysRevC.74.014902

We predict transverse and longitudinal momentum spectra and yields of $\rho^0$ and $\omega$ mesons reconstructed from hadron correlations in C+C reactions at 2~AGeV. The rapidity and $p_T$ distributions for reconstructable $\rho^0$ mesons differs strongly from the primary distribution, while the $\omega$'s distributions are only weakly modified. We discuss the temporal and spatial distributions of the particles emitted in the hadron channel. Finally, we report on the mass shift of the $\rho^0$ due to its coupling to the $N^*(1520)$, which is observable in both the di-lepton and $\pi\pi$ channel. Our calculations can be tested with the Hades experiment at GSI, Darmstadt.

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