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Measurements of the T20 Analyzing Power Tensor Component of the γd→Pnπ0 Reaction

The paper presents new results for the T 20 analyzing power tensor component of the γd→pnπ 0 reaction in the photon energy range of 300 MeV < Eγ < 500 MeV. The experimental statistics accumulated in 2013 at the VEPP-3 accelerator-storage complex using an internal tensor-polarized gaseous deute...

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Published in:Russian physics journal 2022, Vol.64 (10), p.1792-1796
Main Authors: Vasilishin, B. I., Gauzshtein, V. V., Zevakov, S. A., Kuzin, M. Ya, Levchuk, M. I., Loginov, A. Yu, Nikolenko, D. M., Rachek, I. A., Toporkov, D. K., Fix, A. I., Shestakov, Yu. V., Darwish, E., Yurchenko, A. V.
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cited_by cdi_FETCH-LOGICAL-c1648-e57c210861c02cfd34c21310cde6458eb4f101c1b60dc74bcbb6f1bd10a884a43
cites cdi_FETCH-LOGICAL-c1648-e57c210861c02cfd34c21310cde6458eb4f101c1b60dc74bcbb6f1bd10a884a43
container_end_page 1796
container_issue 10
container_start_page 1792
container_title Russian physics journal
container_volume 64
creator Vasilishin, B. I.
Gauzshtein, V. V.
Zevakov, S. A.
Kuzin, M. Ya
Levchuk, M. I.
Loginov, A. Yu
Nikolenko, D. M.
Rachek, I. A.
Toporkov, D. K.
Fix, A. I.
Shestakov, Yu. V.
Darwish, E.
Yurchenko, A. V.
description The paper presents new results for the T 20 analyzing power tensor component of the γd→pnπ 0 reaction in the photon energy range of 300 MeV < Eγ < 500 MeV. The experimental statistics accumulated in 2013 at the VEPP-3 accelerator-storage complex using an internal tensor-polarized gaseous deuterium target has been used. The reaction events are identified by the coincidence registration of the proton and two gamma quanta from the neutral pion decay. To determine the T 20 component, the asymmetry of the yields with respect to the change in the sign of the tensor polarization of the deuterium target is measured. Experimental results are compared with the theoretical calculations for the MAID 2007 model of the amplitude used as the elementary pion-nucleon photoproduction amplitude and contributions of pion-nucleon and nucleon-nucleon rescattering are taken into account.
doi_str_mv 10.1007/s11182-022-02521-8
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subjects Amplitudes
Condensed Matter Physics
Deuterium
Hadrons
Heavy Ions
Lasers
Mathematical analysis
Mathematical and Computational Physics
Nuclear Physics
Nucleons
Optical Devices
Optics
Photonics
Photoproduction
Physics
Physics and Astronomy
Pions
Tensors
Theoretical
title Measurements of the T20 Analyzing Power Tensor Component of the γd→Pnπ0 Reaction
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