Measurement of the tensor analyzing power T20 for incoherent π− photoproduction on a deuteron above the first resonance region
New measurements of the T 20 component of tensor analyzing power in the reaction γ d → p p π − for photon energies 400 − 700 MeV are presented. The experiment was carried out on an internal tensor-polarized gas deuterium target of the VEPP-3 electron storage ring in 2023 with the use of tagged quasi-real photons and two-proton coincidence. For determination of T 20 , the asymmetry caused by a change of the sign of the tensor polarization of the deuteron target was measured. The new data are compared with the results of theoretical calculations based on the quasi-free approximation including πN and NN rescattering effects.
Authors
- I. Morozov (ORCID: https://orcid.org/0000-0002-1821-7051)
- V. V. Gauzshtein (ORCID: https://orcid.org/0000-0001-9072-0893)
- M. Ya. Kuzin
- S. A. Zevakov
- M. I. Levchuk
- S.E. Karnaev
- D. K. Toporkov
- А. Н. Журавлев (ORCID: https://orcid.org/0000-0003-1087-2702)
- M. A. Skamarokha (ORCID: https://orcid.org/0000-0002-4886-6941)
- A. Fix (ORCID: https://orcid.org/0000-0002-7283-8246)
- V. Kudryavtsev (ORCID: https://orcid.org/0009-0000-2192-995X)
- V. L. Dorokhov (ORCID: https://orcid.org/0000-0002-4549-1849)
- A. V. Yurchenko (ORCID: https://orcid.org/0000-0002-7854-5495)
- E. Levichev (ORCID: https://orcid.org/0000-0001-6660-4569)
- Vladislav Borin (ORCID: https://orcid.org/0000-0002-8317-5855)
- G. N. Baranov (ORCID: https://orcid.org/0000-0002-9027-5977)
- A. Loginov (ORCID: https://orcid.org/0000-0002-3834-8075)
- I. A. Rachek (ORCID: https://orcid.org/0000-0001-7819-7534)
- I.N. Okunev
- L. Shekhtman (ORCID: https://orcid.org/0000-0003-1512-9715)
- Anna A. Kovalenko (ORCID: https://orcid.org/0000-0002-3790-2396)
- D. V. Dorokhova
- S. Sinyatkin
- A. Bogomyagkov (ORCID: https://orcid.org/0000-0001-5751-3761)
- K. Yu. Karyukina
- E. M. Darwish (ORCID: https://orcid.org/0000-0002-8250-2412)
- R. Z. Mamutov (ORCID: https://orcid.org/0000-0002-1808-1879)
- Е. В. Старостина (ORCID: https://orcid.org/0000-0002-7698-2210)
- I.B. Logashenko
- P. Piminov
- B. I. Vasilishin
- Yu. V. Shestakov
- D. M. Nikolenko
- E.A. Simonov
- T. Maltsev (ORCID: https://orcid.org/0000-0002-2120-5633)
Institutions
- Tomsk State University of Control Systems and Radio-Electronics (RU)
- Novosibirsk State University (RU)
- Taibah University (SA)
- Tomsk Polytechnic University (RU)
- B.I. Stepanov Institute of Physics (BY)
- Institute of Applied Physics (BY)
- Budker Institute of Nuclear Physics (RU)
- Sohag University (EG)
Publication Details
- Journal
- Physics Letters B
- Published
- 2024-11-29
- DOI
- https://doi.org/10.1016/j.physletb.2024.139166
- Citations
- 1
- Primary Topic
- Quantum Chromodynamics and Particle Interactions
- Type
- article
- Field-Weighted Citation Impact
- 0.66
Funders
- Tomsk Polytechnic University
- Ministry of Science and Higher Education of the Russian Federation