Role of pion exchange in η meson photoproduction on the deuteron

A. Fix, H. Arenhövel, M. Levchuk, M. Tammam

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Incoherent η photoproduction on the deuteron is studied, with the main emphasis on the role of final-state interactions. In addition to the previously studied mechanisms of NN and ηN rescatterings, the role of an intermediate pion exchange is considered in detail, where first a pion is photoproduced on one nucleon and then rescatters into an η meson on the other, the spectator nucleon. It is found that the role of this pion-mediated contribution is comparable in size to that of ηN rescattering. Results for total and semi-inclusive differential cross sections and associated polarization observables are presented. In particular, polarization observables show significant sensitivity to final-state interactions.

Original languageEnglish
Article number014001
JournalPhysical Review C - Nuclear Physics
Issue number1
Publication statusPublished - 5 Jan 2015

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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