Study of double pion photoproduction on the deuteron

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The π + π - photoproductions on the proton and deuteron have been studied in a photon energy range of 0.8-1.1 GeV at the Laboratory of Nuclear Science, Tohoku University. Charged pions and protons were detected using Neutral Kaon Spectrometer. We obtained the cross sections for the p (γ, p π + π - ) and d (γ, p π + π - ) n. The quasi-free process with a neutron spectator was extracted by the neutron momentum cut of p n > 0.3   GeV / c. The cross section for the Δ + + Δ - production was deduced in the non-quasi-free process of the γ d → p n π + π - . It was 13.4 ± 0.4   μb at E γ = 0.82   GeV. © 2009 Elsevier B.V. All rights reserved.




Hirose, K., Ejima, M., Fujibayashi, T., Fujii, Y., Futatsukawa, K., Hashimoto, O., … Yawata, K. (2009). Study of double pion photoproduction on the deuteron. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 674(1), 17–22.

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