Электронная библиотека (репозиторий) Томского государственного университета
Lyubovitskij, Valery E. | 2021

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Add   Analysis of the nonleptonic two-body decays of the Λ hyperon
Authors: Ivanov, Mikhail A. | Körner, Jürgen G. | Lyubovitskij, Valery E. | Tyulemissov, Zhomart
Source: Physical Review D. 2021. Vol. 104, № 7. P. 074004-1-074004-10
Type: статьи в журналах
Date: 2021
Description: We systematically study two-body nonleptonic decays of light lambda hyperon Λ→pπ−(nπ0) with account for both short- and long-distance effects. The short-distance effects are induced by five topologies ... More
Add   Form-factor-independent test of lepton universality in semileptonic heavy meson and baryon decays
Authors: Groote, Stefan | Ivanov, Mikhail A. | Körner, Jürgen G. | Lyubovitskij, Valery E. | Santorelli, Pietro | Tran, Chien-Thang
Source: Physical Review D. 2021. Vol. 103, № 9. P. 093001-1-093001-12
Type: статьи в журналах
Date: 2021
Description: In the semileptonic decays of heavy mesons and baryons, the lepton-mass dependence factors out in the quadratic cos2θ coefficient of the differential cosθ distribution. We call the corresponding norma ... More
Add   Gluon parton densities in soft-wall AdS/QCD
Authors: Lyubovitskij, Valery E. | Schmidt, Ivan A.
Source: Physical Review D. 2021. Vol. 103, № 9. P. 094017-1-094017-29
Type: статьи в журналах
Date: 2021
Description: We study the gluon parton densities [parton distribution functions (PDFs), transverse momentum distributions (TMDs), generalized parton distributions (GPDs)] and form factors in soft-wall AdS/QCD. We ... More
Add   Measurement of beam asymmetry for π−Δ++ photoproduction on the proton at Eγ=8.5 GeV
Authors: Adhikari, S. | Akondi, C. S. | Ali, A. | Amaryan, M. | Asaturyan, A. | Austregesilo, A. | Baldwin, Z. | Barbosa, F. | Barlow, J. | Barriga, E. | Barsotti, R. | Beattie, T. D. | Berdnikov, V. V. | Black, T. | Boeglin, W. | Lyubovitskij, Valery E.
Source: Physical Review C. 2021. Vol. 103, № 2. P. L022201-1-L022201-7
Type: статьи в журналах
Date: 2021
Description: We report a measurement of the π− photoproduction beam asymmetry for the reaction →γp→π−Δ++ using data from the GlueX experiment in the photon beam energy range 8.2–8.8 GeV. The asymmetry Σ is measure ... More
Add   New ideas for handling of loop and angular integrals in D-dimensions in QCD
Authors: Lyubovitskij, Valery E. | Wunder, Fabian | Zhevlakov, Alexey S.
Source: Journal of high energy physics. 2021. № 6. P. 66 (1-125)
Type: статьи в журналах
Date: 2021
Description: We discuss new ideas for consideration of loop diagrams and angular integrals in D-dimensions in QCD. In case of loop diagrams, we propose the covariant formalism of expansion of tensorial loop integr ... More
Add   The GlueX beamline and detector
Authors: Adhikari, S. | Akondi, C. S. | Barriga, E. | Barsotti, R. | Beattie, T. D. | Benesch, J. | Berdnikov, V. V. | Lyubovitskij, Valery E. | Al Ghoul, H. | Ali, A. | Amaryan, M. | Anassontzis, E. G. | Austregesilo, A. | Barbosa, F | Barlow, J. | Barnes, A.
Source: Nuclear instruments and methods in physics research Section A: accelerators, spectrometers, detectors and associated equipment. 2021. Vol. 987. P. 16480 (17-39)
Type: статьи в журналах
Date: 2021
Description: The GlueX experiment at Jefferson Lab has been designed to study photoproduction reactions with a 9-GeV linearly polarized photon beam. The energy and arrival time of beam photons are tagged using a s ... More
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