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

V. V. Gauzshtein, E. M. Darwish, M. Ya Kuzin, M. I. Levchuk, A. Yu Loginov, D. M. Nikolenko, I. A. Rachek, R. Sh Sadykov, Yu V. Shestakov, D. K. Toporkov, B. I. Vasilishin, S. A. Zevakov, A. V. Bogomyagkov, A. N. Zhuravlev, S. E. Karnaev, V. A. Kiselev, E. B. Levichev, O. I. Meshkov, S. I. Mishnev, I. N. OkunevP. A. Piminov, E. A. Simonov, S. V. Sinyatkin, E. V. Starostina

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2 Citations (Scopus)

Abstract

We present the first accurate results of measurements of the tensor analyzing power component T20 for the coherent neutral pion photoproduction on the deuteron. The measurements were performed at the Budker Institute of Nuclear Physics at VEPP-3 storage ring using the internal tensor polarized deuterium target. The measurements cover the region of photon energy from 200 to 450 MeV and the region of the center-of-mass pion polar angle from 100 to 140 degrees. The results obtained are compared with predictions of several theoretical models.

Original languageEnglish
Article number169
Number of pages7
JournalEuropean Physical Journal A
Volume56
Issue number6
DOIs
Publication statusPublished - 1 Jun 2020

Keywords

  • INCOHERENT PI(0) PHOTOPRODUCTION
  • COHERENT PION-PHOTOPRODUCTION
  • CROSS-SECTION ASYMMETRY
  • ETA-NN INTERACTION
  • ELECTROMAGNETIC PROPERTIES
  • POLARIZATION OBSERVABLES
  • SPIN ASYMMETRIES
  • DEUTERIUM TARGET
  • PI(0)-PHOTOPRODUCTION
  • THRESHOLD

OECD FOS+WOS

  • 1.03 PHYSICAL SCIENCES AND ASTRONOMY

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