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Mass shift of σ-meson in nuclear matter

The propagation of σ-meson in nuclear matter is studied in the Walecka model, by assuming that the sigma couples to a pair of nucleon–antinucleon states and to particle–hole states. The in-medium effect of σ–ω mixing is also studied. For completeness, the coupling of sigma to two virtual pions was a...

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Bibliographic Details
Main Authors:	Morones Ibarra, José Rubén, Menchaca Maciel, Mónica del Carmen, Santos Guevara, Ayax, Robledo Padilla, Felipe Ángel
Format:	Article
Language:	English
Published:	Indian Academy of Sciences 2013
Subjects:	QC Física
Online Access:	http://eprints.uanl.mx/14901/1/541.pdf

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