Transparency of the $\gamma (n,p){\pi }^{-}$ reaction in nuclei

Abstract

The transparency of the hadrons produced in the $\gamma (n,p){\pi }^{-}$ reaction in nuclei is calculated using the Glauber model modified by including the Fermi motion of the nucleon in the nucleus. Since the calculated results underestimates the measured transparency for ${}^4$He nucleus, the Glauber model is further modified by incorporating the short-range correlation of the nucleon and the color transparency of the hadron in the nucleus. The nuclear transparency of the $\gamma (n,p){\pi }^{-}$ reaction is calculated for ${\theta }_{{\pi }^{-}}$(c.m.) = 50${}^{\circ }$, 70${}^{\circ }$ and 90${}^{\circ }$. The calculated results are compared with the data reported for ${}^4$He nucleus.

arXiv commentFirst version: 11 pages, 2 figures. The reference of the final version is given below

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