Measurements of the T20 Analyzing Power Tensor Component of the γd→Pnπ0 Reaction / B. I. Vasilishin, V. V. Gauzshteyn (Gauzshtein), S. A. Zevakov [et al.]

Уровень набора: Russian Physics JournalАльтернативный автор-лицо: Vasilishin, B. I., engineer-physicist, laboratory researcher at Tomsk Polytechnic University, 1990-, Bogdan Ivanovich;Gauzshteyn (Gauzshtein), V. V., specialist in the field of nuclear engineering, Researcher, Tomsk Polytechnic University, Candidate of Physical and Mathematical Sciences, 1983-, Vyacheslav Valerjevich;Zevakov, S. A., Sergey Aleksandrovich;Kuzin, M. Ya., specialist in the field of nuclear technologies, Engineer of Tomsk Polytechnic University, 1998-, Matvey Yaroslavovich;Levchuk, M. I., Mikhail Ivanovich;Loginov, A. Yu., Aleksey Yurjevich;Nikolenko, D. M., Dmitry Mitrofanovich;Rachek, I. A., Igor Anatoljevich;Toporkov, D. K., Dmitry Konstantinovich;Fiks (Fix), A. I., mathematician, Professor of Tomsk Polytechnic University, doctor of physico-mathematical Sciences, 1968-, Alexander Ivanovich;Shestakov, Yu. V., Yury Vladimirovich;Darwish, E. M., Eed;Yurchenko, A. V., Arseny VladislavovichКоллективный автор (вторичный): Национальный исследовательский Томский политехнический университет, Исследовательская школа физики высокоэнергетических процессов, (2017- )Язык: английский.Резюме или реферат: The paper presents new results for the T20 analyzing power tensor component of the γd→pnπ0 reaction in the photon energy range of 300 MeV < Eγ < 500 MeV. The experimental statistics accumulated in 2013 at the VEPP-3 accelerator-storage complex using an internal tensor-polarized gaseous deuterium target has been used. The reaction events are identified by the coincidence registration of the proton and two gamma quanta from the neutral pion decay. To determine the T20 component, the asymmetry of the yields with respect to the change in the sign of the tensor polarization of the deuterium target is measured. Experimental results are compared with the theoretical calculations for the MAID 2007 model of the amplitude used as the elementary pion-nucleon photoproduction amplitude and contributions of pion-nucleon and nucleon-nucleon rescattering are taken into account..Примечания о наличии в документе библиографии/указателя: [References: 22 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | T 20 analyzing power tensor component | incoherent neutral pion photoproduction | photon | tensorpolarized deuteron | тензор | фотоны | дейтроны Ресурсы он-лайн:Щелкните здесь для доступа в онлайн
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[References: 22 tit.]

The paper presents new results for the T20 analyzing power tensor component of the γd→pnπ0 reaction in the photon energy range of 300 MeV < Eγ < 500 MeV. The experimental statistics accumulated in 2013 at the VEPP-3 accelerator-storage complex using an internal tensor-polarized gaseous deuterium target has been used. The reaction events are identified by the coincidence registration of the proton and two gamma quanta from the neutral pion decay. To determine the T20 component, the asymmetry of the yields with respect to the change in the sign of the tensor polarization of the deuterium target is measured. Experimental results are compared with the theoretical calculations for the MAID 2007 model of the amplitude used as the elementary pion-nucleon photoproduction amplitude and contributions of pion-nucleon and nucleon-nucleon rescattering are taken into account.

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