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Abstract: We present a calculation of single pion electroproduction cross sections onheavy targets in the kinematic region of the Delta1232 resonance. Final stateinteractions of the pions are taken into account using the pion multiplescattering model of Adler, Nussinov and Paschos ANP model. Forelectroproduction and neutral current reactions we obtain results for carbon,oxygen, argon and iron targets and find a significant reduction of theW-spectra for pi^0 as compared to the free nucleon case. On the other hand, thecharged pion spectra are only little affected by final state interactions.Measurements of such cross sections with the CLAS detector at JLAB could helpto improve our understanding of pion rescattering effects and serve asimportant-valuable input for calculations of single pion neutrinoproduction onheavy targets relevant for current and future long baseline neutrinoexperiments. Two ratios, in Eq. 3.8 and 3.10, will test importantproperties of the model.



Author: E. A. Paschos, I. Schienbein, J.-Y. Yu

Source: https://arxiv.org/



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