Pion re-scattering in pi0 production near threshold
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⚛️ nucl-th
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pionre-scatteringnearproductionthresholdamplitudesapproximationscalculate
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We compare the most used approximations to calculate the contribution from pion re-scattering mechanisms to pion production from proton-proton scattering, near threshold. Our calculation employs a pseudo-vector coupling for the pi NN vertex and realistic amplitudes for the pi N re-scattering and the NN transitions.
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