Электронная библиотека (репозиторий) Томского государственного университета
2017

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Add   CP-violating decays of the pseudoscalars η and η' and their connection to the electric dipole moment of the neutron
Authors: Blin, Astrid N. Hiller | Kovalenko, Sergey | Kuleshov, Serguei | Lyubovitskij, Valery E. | Vicente Vacas, Manuel J. | Zhevlakov, Alexey S. | Gutsche, Thomas
Source: Physical Review D. 2017. Vol. 95, № 3. P. 036022-1-036022-9
Type: статьи в журналах
Date: 2017
Description: Using the present upper bound on the neutron electric dipole moment, we give an estimate for the upper limit of the CP-violating couplings of the eta(eta') to the nucleon. Using this result, we then d ... More
Add   Effect of the ηη channel and interference phenomena in the two-pion transitions of charmonia and bottomonia
Authors: Bydžovský, Petr | Gutsche, Thomas | Kamiński, Robert | Lyubovitskij, Valery E. | Nagy, Miroslav | Surovtsev, Yurii S.
Source: EPJ Web of Conferences. 2017. Vol. 138. P. 01025 (1-10)
Type: статьи в журналах
Date: 2017
Description: The basic shape of di-pion mass spectra in the two-pion transitions of both charmonia and bottomonia states is explained by a unified mechanism based on contributions of the ππ, KK̅, and ηη coupled ch ... More
Add   Electroproduction of lightest nucleon resonances up to Q*2=12 GeV*2 in quark models at light front
Authors: Faessler, Amand | Gutsche, Thomas | Fedorov, D. K. | Lyubovitskij, Valery E. | Obukhovsky, Igor T.
Source: EPJ Web of Conferences. 2017. Vol. 138. P. 04003 (1-7)
Type: статьи в журналах
Date: 2017
Description: The lightest nucleon resonances are described at light front as mixed states of the 3q cluster (“quark core”) possessing a definite value of the inner orbital momentum L = 0,1 and a hadron molecular s ... More
Add   Nonperturbative strange sea in proton using wave functions inspired by light front holography
Authors: Vega, Alfredo | Gutsche, Thomas | Lyubovitskij, Valery E. | Schmidt, Ivan A.
Source: Few-body systems. 2017. Vol. 58, № 2. P. 87 (1-7)
Type: статьи в журналах
Date: 2017
Description: We use different light-front wave functions (two inspired by the AdS/QCD formalism), together with a model of the nucleon in terms of meson–baryon fluctuations to calculate the nonperturbative (intrin ... More
Add   Nucleon parton distributions in a light-front quark model
Authors: Gutsche, Thomas | Lyubovitskij, Valery E. | Schmidt, Ivan A.
Source: The European physical journal C. 2017. Vol. 77, № 2. P. 86 (1-14)
Type: статьи в журналах
Date: 2017
Description: Continuing our analysis of parton distributions in the nucleon, we extend our light-front quark model in order to obtain both the helicity-independent and the helicity-dependent parton distributions, ... More
Add   Role of QCD compositeness in the production of scalar and tensor mesons through single-photon annihilation e + e − → γ* → γ S(T)
Authors: Chumakov, Alexandr G. | Lyubovitskij, Valery E. | Schmidt, Ivan A. | Gutsche, Thomas
Source: Physical Review D. 2017. Vol. 96, № 9. P. 094018-1-094018-6
Type: статьи в журналах
Date: 2017
Description: We study the exclusive production of scalar S=0++ and tensor T=2++ mesons through single-photon annihilation e+e−→γ∗→γS(T). Using QCD compositeness of the involved hadrons considered as quark-antiquar ... More
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