Measurement of the tensor analyzing power T20 for the reaction γd → dπ0

被引：0

作者：

Gauzshtein, V. V. ^{[1
]}

Darwish, E. M. ^{[2
,3
]}

Kuzin, M. Ya ^{[1
]}

Levchuk, M., I ^{[4
]}

Loginov, A. Yu ^{[5
]}

Nikolenko, D. M. ^{[6
]}

Rachek, I. A. ^{[6
]}

Sadykov, R. Sh ^{[6
]}

Shestakov, Yu, V ^{[6
,7
]}

Toporkov, D. K. ^{[6
,7
]}

Vasilishin, B., I ^{[1
]}

Zevakov, S. A. ^{[6
]}

Bogomyagkov, A., V ^{[6
]}

Zhuravlev, A. N. ^{[6
]}

Karnaev, S. E. ^{[6
]}

Kiselev, V. A. ^{[6
]}

Levichev, E. B. ^{[6
]}

Meshkov, O., I ^{[6
]}

Mishnev, S., I ^{[6
]}

Okunev, I. N. ^{[6
]}

Piminov, P. A. ^{[6
]}

Simonov, E. A. ^{[6
]}

Sinyatkin, S., V ^{[6
]}

Starostina, E., V ^{[6
]}

机构：

[1] Natl Res Tomsk Polytech Univ, Tomsk 634050, Russia

[2] Taibah Univ, Fac Sci, Phys Dept, Medina 41411, Saudi Arabia

[3] Sohag Univ, Fac Sci, Phys Dept, Sohag 82524, Egypt

[4] Natl Acad Sci Belarus, Stepanov Inst Phys, Minsk 220072, BELARUS

[5] Tomsk State Univ Control Syst & Radioelect, Tomsk 634050, Russia

[6] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[7] Novosibirsk State Univ, Novosibirsk 630090, Russia

来源：

EUROPEAN PHYSICAL JOURNAL A | 2020年 / 56卷 / 06期

关键词：

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;

D O I：

10.1140/epja/s10050-020-00175-z

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We present the first accurate results of measurements of the tensor analyzing power component T-20 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.

引用

页数：7

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