A model calculation predicts that color transparency strongly modifies the nuclear transparency ratio in \bar p d -> pi- pi0 p and that PANDA can observe this with modest statistics.
A relativistic framework to determine the nuclear transparency from A(p,2p) reactions
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abstract
A relativistic framework for computing the nuclear transparency extracted from A(p,2p) scattering processes is presented. The model accounts for the initial- and final-state interactions (IFSI) within the relativistic multiple-scattering Glauber approximation (RMSGA). For the description of color transparency, two existing models are used. The nuclear filtering mechanism is implemented as a possible explanation for the oscillatory energy dependence of the transparency. Results are presented for the target nuclei 7Li, 12C, 27Al, and 63Cu. An approximated, computationally less intensive version of the RMSGA framework is found to be sufficiently accurate for the calculation of the nuclear transparency. After including the nuclear filtering and color transparency mechanisms, our calculations are in acceptable agreement with the data.
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Color transparency in $\bar p d \to \pi^- \pi^0 p$ reaction
A model calculation predicts that color transparency strongly modifies the nuclear transparency ratio in \bar p d -> pi- pi0 p and that PANDA can observe this with modest statistics.