The ratio of $e^{\pm}p$ scattering cross sections predicted from the global fit of elastic $ep$ data

We present predictions for the value of the cross section ratio $\sigma(e^+p \to e^+p)/\sigma(e^-p \to e^-p) $, d e t e r m i n e d f r o m o u r f i t o f t h e e l a s t i c$ ep$ cross section and polarization data. In this fit we took into account the phenomenological two-photon exchange dispersive correction. The cross section ratios which are expected to be measured by the VEPP-3 experiment are computed. The kinematical region which will be covered by the E04-116 JLab experiment is also considered. It is shown that for both experiments the predicted cross section ratios deviate from unity within more than $3 σ$ .

The ratio of $e^{\pm} p$ scattering cross sections predicted from the global fit of elastic $e p$ data

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The ratio of $e^{\pm} p$ scattering cross sections predicted from the global fit of elastic $e p$ data

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The ratio of e±pe±p scattering cross sections predicted from the global fit of elastic epep data

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The ratio of e±pe±p scattering cross sections predicted from the global fit of elastic epep data

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The ratio of $e^{\pm} p$ scattering cross sections predicted from the global fit of elastic $e p$ data

讲解博客

AI智能校验

The ratio of $e^{\pm} p$ scattering cross sections predicted from the global fit of elastic $e p$ data

讲解博客

AI智能校验