Measurement of the tensor analyzing power T20 for the reaction γd → pnπ0-Reference-Cited by-同舟云学术

Measurement of the tensor analyzing power T20 for the reaction γd → pnπ0

Published:2021-09-10 Issue:28 Volume:36 Page:2150199
ISSN:0217-7323
Container-title:Modern Physics Letters A
language:en
Short-container-title:Mod. Phys. Lett. A

Author:

Gauzshtein V. V.¹^ORCID,Darwish E.²³,Fix A. I.¹,Kuzin M. Ya.¹,Levchuk M. I.⁴,Loginov A. Yu.¹⁵,Nikolenko D. M.⁶,Rachek I. A.⁶,Sadykov R. Sh.⁶,Shestakov Yu. V.⁶⁷,Toporkov D. K.⁶⁷,Yurchenko A. V.⁶,Vasilishin B. I.¹,Zevakov S. A.⁶

Affiliation:

1. National Research Tomsk Polytechnic University, Tomsk, 634050, Russia

2. Physics Department, Faculty of Science, Taibah University, Medina, 41411, Saudi Arabia

3. Physics Department, Faculty of Science, Sohag University, Sohag, 82524, Egypt

4. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, 220072, Belarus

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

6. Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia

7. Novosibirsk State University, Novosibirsk, 630090, Russia

Abstract

This paper presents new results for the [Formula: see text]-component of the tensor analyzing power of the reaction [Formula: see text] in the photon energy range of [Formula: see text]. The experimental statistics accumulated in 2013 at the VEPP-3 accelerator-storage complex is used. The reaction events are identified by the coincidence registration of the proton and two [Formula: see text]-quanta from the decay of the neutral pion. To determine the [Formula: see text]-component, the asymmetry of the yields with respect to the change of sign of the tensor polarization of the deuterium target is measured. The experimental results are compared with the theoretical calculations in which the MAID 2007 model is used as the elementary pion–nucleon photoproduction amplitude and contributions from the pion–nucleon and nucleon–nucleon rescattering are taken into account.

Funder

Tomsk Polytechnic University

Publisher

World Scientific Pub Co Pte Ltd

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217732321501996

Reference26 articles.

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