- Accepted Paper
Tensor analyzing power in the reaction at photon energies 350–680 MeV
Phys. Rev. C - Accepted 4 November, 2026
DOI: https://doi.org/10.1103/y7ml-h1bt
Phys. Rev. C - Accepted 4 November, 2026
DOI: https://doi.org/10.1103/y7ml-h1bt
We present measurements of the tensor analyzing power T20 in the reaction γd → pn at photon energies Eγ = 350–680 MeV. The experiment was performed at the VEPP-3 storage ring using an internal tensor-polarized deuterium gas target and a tagged quasi-real photon beam. The data were obtained for proton emission angles Θp = 70◦–102◦. Comparison with modern meson-baryon calculations shows generally satisfactory agreement within the present uncertainties. A theoretical analysis of an extended data set, covering the energy range from threshold to 680 MeV and including both the new data and the previous results from 2007, is presented.
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