Deuteron electromagnetic structure functions and polarization properties in soft-wall AdS/QCD / Th. Gutsche, V. E. Lyubovitskiy (Lyubovitskij), I. A. Schmidt

Уровень набора: Physical Review D, particles, fields, gravitation, and cosmology = 1970-Основной Автор-лицо: Gutsche, Th., ThomasАльтернативный автор-лицо: Schmidt, I. A., Ivan;Lyubovitskiy (Lyubovitskij), V. E., physicist, Professor of Tomsk Polytechnic University, Doctor of physical and mathematical sciences, Professor of the University of Tubingen (Germany), 1963-, Valery EfimovichКоллективный автор (вторичный): Национальный исследовательский Томский политехнический университет (ТПУ), Физико-технический институт (ФТИ), Кафедра высшей математики и математической физики (ВММФ)Язык: английский.Страна: .Резюме или реферат: We apply a nonperturbative soft-wall AdS/QCD approach to the description of deuteron structure functions and tensor polarized properties. Present work is a completion of our previous study on electromagnetic form factors. By the appropriate choice of two couplings in the effective action we are able to reproduce both the form factors and structure functions in full consistency with model-independent constraints set by perturbative QCD. Our framework is based on a five-dimensional action in AdS space formulated in terms of vector fields dual to the deuteron and the electromagnetic fields. The AdS fields depend on four Minkowski and one holographic coordinate z. The scale dependence of the form factors and structure functions is consistent with quark counting rules implying the 1/Q10 behavior of the charge form factor GC(Q2), structure functions A(Q2) and B(Q2), and the 1/Q12 behavior of the magnetic GM(Q2) and quadrupole GQ(Q2) form factors..Примечания о наличии в документе библиографии/указателя: [References: 15 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | дейтроны | поляризационные свойства | AdS / QCD Ресурсы он-лайн:Щелкните здесь для доступа в онлайн
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[References: 15 tit.]

We apply a nonperturbative soft-wall AdS/QCD approach to the description of deuteron structure functions and tensor polarized properties. Present work is a completion of our previous study on electromagnetic form factors. By the appropriate choice of two couplings in the effective action we are able to reproduce both the form factors and structure functions in full consistency with model-independent constraints set by perturbative QCD. Our framework is based on a five-dimensional action in AdS space formulated in terms of vector fields dual to the deuteron and the electromagnetic fields. The AdS fields depend on four Minkowski and one holographic coordinate z. The scale dependence of the form factors and structure functions is consistent with quark counting rules implying the 1/Q10 behavior of the charge form factor GC(Q2), structure functions A(Q2) and B(Q2), and the 1/Q12 behavior of the magnetic GM(Q2) and quadrupole GQ(Q2) form factors.

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