Exciting baryon resonances in isobar charge-exchange reactions

J. Benlliure, J. L. Rodriguez-Sanchez, J. Vargas, H. Alavarez-Pol, T. Aumann, J. Atkinson, Y. Ayyad, S. Beceiro, K. Boretzky, A. Chatillon, D. Cortina, P. Diaz, A. Estrade, H. Geissel, H. Lenske, Y. Litvinov, M. Mostazo, C. Paradela, S. Pietri, A. ProchazkaM. Takechi, I. Vidaña, H. Weick, J. Winfield

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Isobaric charge-exchange reactions induced by different tin isotopes have been investigated at GSI. The high-resolving power of the FRS spectrometer made it possible to separate elastic and inelastic components in the missing-energy spectra of the ejectiles. The inelastic component was associated to the in-medium excitation of nucleon resonances such as the Delta and Roper resonances. These data are expected to contribute to better understand the in-medium properties of baryon resonances but also to investigate the abundance of protons and neutrons at the nuclear periphery.

Original languageEnglish
Article number401
JournalNuovo Cimento della Societa Italiana di Fisica C
Issue number6
StatePublished - Nov 1 2016
Externally publishedYes


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