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Pré-Publication, Document De Travail Année : 2024

Relativistic meson-exchange currents in semi-inclusive lepton scattering

Résumé

We assess the impact of two-particle--two-hole excitations on the semi-inclusive electron scattering process (e,e'p) using a fully relativistic nuclear model calculation that precisely incorporates antisymmetrization. The calculation encompasses all contributions involving the exchange of a single pion and the excitation of a Delta resonance. Our results are compared with (e,e'p) data on carbon at kinematics where two-nucleon emission dominates. This work represents an essential step towards the microscopic computation of the two-particle--two-hole contribution to semi-inclusive neutrino reactions, crucial in the analysis of neutrino oscillation experiments.

Dates et versions

hal-04446191 , version 1 (08-02-2024)

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Valerio Belocchi, Maria Benedetta Barbaro, Arturo de Pace, Marco Martini. Relativistic meson-exchange currents in semi-inclusive lepton scattering. 2024. ⟨hal-04446191⟩
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