Электронная библиотека (репозиторий) Томского государственного университета
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Source: Few-body systems. 2018. Vol. 59, № 4. P. 66 (1-4)
Type: статьи в журналах
Date: 2018
Description: We use the present upper bound on the neutron electric dipole moment to give an estimate for the upper limit of the CP-violating couplings of the η(η′) to the neutron. Using this result, we derive con ... More
Source: Physics Letters B. 2018. Vol. 784. P. 378-384
Type: статьи в журналах
Date: 2018
Description: We report on the investigation of the rare decay $eta
Source: Physics Letters B. 2018. Vol. 782. P. 297-304
Type: статьи в журналах
Date: 2018
Description: New data on both total and differential cross sections of the production of η mesons in proton-deuteron fusion to 3Heη in the excess energy region 13.6MeV≤Qη≤80.9MeV are presented. These data have bee ... More
Source: Physics Letters B. 2017. Vol. 770. P. 418-425
Type: статьи в журналах
Date: 2017
Description: Using the production reactions and , the Dalitz plot distribution for the decay is studied with the WASA detector at COSY, based on a combined data sample of events. The Dalitz plot density is paramet ... More
Source: Physical Review D. 2017. Vol. 96, № 1. P. 012005-1-012005-8
Type: статьи в журналах
Date: 2017
Description: Based on a sample of 1.31 billion J/ψ events collected with the BESIII detector, we report the study of the doubly radiative decay η′→γγπ0 for the first time, where the η′ meson is produced via the J/ ... More
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
Source: Nuclear physics A. 2017. Vol. 959. С. P. 102-115
Type: статьи в журналах
Date: 2017
Description: The search for 4He-ηbound states was performed with the WASA-at-COSY facility via the mea-surement of the excitation function for the dd→3Henπ0and dd→3Hepπ−processes. The deuteron beam momentum was va ... More
Source: Physical Review Letters. 2016. Vol. 117, № 11. P. 111802-1-111802-19
Type: статьи в журналах
Date: 2016
Description: A search for the decays of the Higgs and Z bosons to a ϕ meson and a photon is performed with a pp collision data sample corresponding to an integrated luminosity of 2.7  fb−1 collected at s√=13  TeV ... More
Source: Physics Letters B. 2015. Vol. 750. P. 466-474
Type: статьи в журналах
Date: 2015
Description: We study D+s decays to final states involving the η with a 482 pb−1 data sample collected at √s = 4.009 GeV with the BESIII detector at the BEPCII collider. We measure the branching fractionsB(D+s →η ... More
Source: Physical Review D. 2015. Vol. 92, № 1. P. 012001-1-012001-11
Type: статьи в журналах
Date: 2015
Description: We report the first observation of the Dalitz decay η′→γe+e−, based on a data sample of 1.31 billion J/ψ events collected with the BESIII detector. The η′ mesons are produced via the J/ψ→γη′ decay pro ... More
Source: Journal of physics G: Nuclear and particle physics. 2015. Vol. 42, № 7. P. 075002 (1-8)
Type: статьи в журналах
Date: 2015
Description: We provide a new insight into the problem of generating the hadron mass spectrum in the framework of the covariant confined quark model. One of the underlying principles of this model is the composite ... More
Source: Physical Review D. 2015. Vol. 91, № 3. P. 037901-1-037901-4
Type: статьи в журналах
Date: 2015
Description: The effect of isoscalar S-wave multichannel ππ→ππ, KK¯¯,ηη scattering is considered in the analysis of decay data of the Υ-mesons. We show that when allowing for the final state interaction contributi ... More
Source: Physical Review D. 2015. Vol. 91, № 7. P. 074001-1-074001-20
Type: статьи в журналах
Date: 2015
Description: Recently there has been much interest in the tauonic semileptonic meson decays B→D+τ+ντ and B→D∗+τ+ντ, where one has found larger rates than what is predicted by the Standard Model. We analyze the cor ... More
Source: Physical Review Letters. 2014. Vol. 113, № 21. P. 212004-1-212004-18
Type: статьи в журналах
Date: 2014
Description: A search for excited states of the Bf meson is performed using 4.9 fb-1 of 7 TeVand 19.2 fb-1 of 8 TeV pp collision data collected by the ATLAS experiment at the LHC. A new state is observed through i ... More
Source: Physical Review D. 2014. Vol. 89, № 3. P. 036010-1-036010-9
Type: статьи в журналах
Date: 2014
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