Ramos Gómez, ÀngelsOset Baguena, Eulogio2013-06-062013-06-0620120370-2693https://hdl.handle.net/2445/44088The photoproduction of η′η′-mesons off different nuclei has been measured with the CBELSA/TAPS detector system for incident photon energies between 1500-2200 MeV. The transparency ratio has been deduced and compared to theoretical calculations describing the propagation of η′η′-mesons in nuclei. The comparison indicates a width of the η′η′-meson of the order of Γ=15-25 MeVΓ=15-25 MeV at ρ=ρ0ρ=ρ0 for an average momentum pη′=1050 MeV/cpη′=1050 MeV/c, at which the η′η′-meson is produced in the nuclear rest frame. The inelastic η′Nη′N cross section is estimated to be 3-10 mb. Parameterizing the photoproduction cross section of η′η′-mesons by σ(A)=σ0Aασ(A)=σ0Aα, a value of α=0.84±0.03α=0.84±0.03 has been deduced.14 p.application/pdfeng(c) Elsevier B.V., 2012Física nuclearConstitució de la matèriaMesons (Física nuclear)HadronsFotonsNuclear physicsConstitution of matterMesons (Nuclear physics)HadronsPhotonsinfo:eu-repo/semantics/article6195562013-06-06info:eu-repo/semantics/openAccess