A Theoretical approach to the (pi-, gamma gamma) reaction in nuclei
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A Theoretical approach to the (pi-, gamma gamma) reaction in nuclei

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A Theoretical approach to the (pi-, gamma gamma) reaction in nuclei

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Gil Gómez, Amparo; Oset Báguena, Eulogio Perfil
This document is a artículoDate1995
We have studied the pion^{-} capture in nuclei leading to two photons, using improved many body methods which have been tested with success in one photon pion^{-} radiative capture, muon^{-} capture and neutrino scattering. The qualitative features of the experimental data are reproduced but there are still some disagreement at small relative photon angles. The reaction is a potential source of information on details of the gamma-gamma-pion-pion vertex where chiral corrections can be relevant. New and more precise experiments are planned which make calculations like the present one relevant and opportune.

    Gil Gómez, Amparo Oset Báguena, Eulogio 1995 A Theoretical approach to the (pi-, gamma gamma) reaction in nuclei Physics Letters B 346 1-2 1 4
http://dx.doi.org/10.1016/0370-2693(95)00009-A
distribuido bajo licencia Creative Commons de Reconocimiento-NoComercial 3.0 No adaptada

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