Neutral pion photoproduction on tensor-polarized deuterium on the VEPP-3 storage ring

S. A. Zevakov, V. V. Gauzshteyn, R. A. Golovin, A. V. Gramolin, V. F. Dmitriev, Renat Ramilievich Dusaev, B. A. Lazarenko, S. I. Mishnev, D. M. Nikolenko, I. A. Rachek, R. Sh Sadykov, V. N. Stibunov, D. K. Toporkov, Yu V. Shestakov

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Abstract

An experiment to measure component T 20 of the tensor analyzing power for the coherent photo-production of neutral pions on polarized deuterons is described. The measurements cover the photon energies in the ranges E γ = 200-500 MeV and E γ = 300-600 MeV, and the emission angles of neutral pions in the ranges = θc.m. π0 = 100°-140° and = θc.m. π0= 60°-65°, respectively. The experiment uses a hyperfine internal gas polarized target. Detectors of neutral pions and deuterons register these particles in coincidence. The target's degree of polarization and luminosity is measured by detecting elastic electron-deuteron scattering at low momentum transfer. A selection of the preliminary results is presented.

Original languageEnglish
Pages (from-to)611-615
Number of pages5
JournalBulletin of the Russian Academy of Sciences: Physics
Volume78
Issue number7
DOIs
Publication statusPublished - 1 Jan 2014

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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