Elastic and inelastic photon scattering from 12C

F. Wissmann, J. Peise, M. Schmitz, M. Schneider, J. Ahrens, I. Anthony, R. Beck, B. Dolbilkin, S. J. Hall, F. Härter, S. Herdade, J. Herrmann, A. Hünger, P. Jennewein, J. D. Kellie, R. Kondratjev, H. P. Krahn, K. H. Krause, V. Kusnetzov, V. LisinG. J. Miller, A. Polonski, M. Schumacher, J. Sobolewski, Th Walcher, A. Zabrodin

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Abstract

The elastic and inelastic photon scattering from 12C was investigated in the energy range of the Δ-resonance (Eγ = 200-500 MeV) at a scattering angle of 40°. The experiment was performed with the tagged photon facility at the cw electron accelerator MAMI (Ee- = 855 MeV). By using a large NaI(Tl) detector having an energy resolution of 1.5%, the elastic scattering could be separated from the inelastic process to the first excited state (Ex = 4.44 MeV of 12C. The differential cross section for the coherent scattering is compared with a simple static ansatz, that uses the known charge form factor, and with a recent Δ-hole calculation.

Original languageEnglish
Pages (from-to)119-122
Number of pages4
JournalPhysics Letters B
Volume335
Issue number2
DOIs
Publication statusPublished - 1 Sep 1994
Externally publishedYes

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