Spectator isobar production in the A([gamma], [nu]NN)BA([gamma], [nu]NN)B reaction / I. V. Glavanakov, A. N. Tabachenko
Уровень набора: International Journal of Modern Physics EЯзык: английский.Резюме или реферат: We present an analysis of the spectator mechanism of [delta][delta]-isobar production in the pion photoproduction on nuclei with the emission of two nucleons. The reaction mechanism is studied within the framework of the [delta]N[delta]N-correlation model, which considers the isobar and nucleon of the [delta]N[delta]N-system produced in the nucleus at the virtual NN->[delta]NNN->[delta]N transition to be in a dynamic relationship. The two-particle transition operator for nuclei is obtained by the S-matrix approach. We consider the properties of the spectator mechanism of isobar production using the example of the reaction 1616O([gamma], [nu]−pn)14([gamma], [nu]−pn)14O. Numerical estimates of the cross-section are obtained in the kinematic region, where it is possible to expect the manifestation of bound isobar-nuclear states..Примечания о наличии в документе библиографии/указателя: [References: 33 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | isobar configurations | spectator isobar knock-out | конфигурации | изобары | фоторождение | пионы | спектральный метод Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: 33 tit.]
We present an analysis of the spectator mechanism of [delta][delta]-isobar production in the pion photoproduction on nuclei with the emission of two nucleons. The reaction mechanism is studied within the framework of the [delta]N[delta]N-correlation model, which considers the isobar and nucleon of the [delta]N[delta]N-system produced in the nucleus at the virtual NN->[delta]NNN->[delta]N transition to be in a dynamic relationship. The two-particle transition operator for nuclei is obtained by the S-matrix approach. We consider the properties of the spectator mechanism of isobar production using the example of the reaction 1616O([gamma], [nu]−pn)14([gamma], [nu]−pn)14O. Numerical estimates of the cross-section are obtained in the kinematic region, where it is possible to expect the manifestation of bound isobar-nuclear states.
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