Measurement of the T20 Component of the Tensor Analyzing Power of the Incoherent Photoproduction of a π– Meson on a Deuteron

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Abstract

New results have been presented for the T20 component of the tensor analyzing power of the γd → ppπ– reaction measured in the photon energy range from 300 to 600 MeV. The data have been obtained from the statistical sample collected at the VEPP-3 accelerator in 2021. The T20 component has been separated using the asymmetry of the reaction yield, which is due to change in the sign of the tensor polarization of the deuterium target. The experimental data have been compared to the simulation within the spectator model including the interaction between particles in the final state.

About the authors

V. V Gauzshteyn

National Research Tomsk Polytechnic University, 634050, Tomsk, Russia

Email: gauzshtein@tpu.ru

B. I Vasilishin

National Research Tomsk Polytechnic University, 634050, Tomsk, Russia

Email: gauzshtein@tpu.ru

E. Darvish

Physics Department, Faculty of Science, Taibah University, 41411, Medina, Saudi Arabia; Physics Department, Faculty of Science, Sohag University, 82524, Sohag, Egypt

Email: gauzshtein@tpu.ru

S. A Zevakov

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia

Email: gauzshtein@tpu.ru

M. Ya Kuzin

National Research Tomsk Polytechnic University, 634050, Tomsk, Russia

Email: gauzshtein@tpu.ru

A. S Kuz'menko

National Research Tomsk Polytechnic University, 634050, Tomsk, Russia

Email: gauzshtein@tpu.ru

M. I Levchuk

Stepanov Institute of Physics, National Academy of Sciences of Belarus, 220072, Minsk, Belarus; Institute of Applied Physics, National Academy of Sciences of Belarus, 220072, Minsk, Belarus

Email: gauzshtein@tpu.ru

A. Yu Loginov

Tomsk State University of Control Systems and Radioelectronics, 634050, Tomsk, Russia

Email: gauzshtein@tpu.ru

D. M Nikolenko

Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia

Author for correspondence.
Email: gauzshtein@tpu.ru

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