Pion double charge exchange reactions leading to deeply bound double pionic atoms

Abstract
We study theoretically pion double charge exchange reactions leading to double pionic atoms. The reaction cross-sections with two pions in the deeper bound pionic orbits in 208Pb are calculated with realistic pionic atom wave functions and distortion effects. The cross-sections are found to be d2σ/dEdΩ~10−3−10−4 µb/srMeV, which are only a small fraction of the double charge exchange background.
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Bibliographic reference
Nieves Pamplona, Juan Miguel Oset Báguena, Eulogio Hirenzaki, Satoru Toki, Hiroshi Vicente Vacas, Manuel José 1992 Pion double charge exchange reactions leading to deeply bound double pionic atoms Modern Physics Letters A 7 32 2991 2998
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