Электронная библиотека (репозиторий) Томского государственного университета

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Source: Physical Review D. 2017. Vol. 95, № 7. P. 072010-1-072010-16
Type: статьи в журналах
Date: 2017
Description: We present an amplitude analysis of the decay D0 → K−πþπþπ− based on a data sample of 2.93 fb−1 acquired by the BESIII detector at the ψð3770Þ resonance. With a nearly background free sample of about ... More
Source: Physical Review Letters. 2017. Vol. 118, № 1. P. 012001-012001-8
Type: статьи в журналах
Date: 2017
Description: Based on a sample of 1.31×109  J/ψ events collected with the BESIII detector, an amplitude analysis of the isospin-violating decays η′→π+π−π0 and η′→π0π0π0 is performed. A significant P-wave contribut ... More
Source: Physical Review D. 2017. Vol. 96, № 1. P. 012002-1-012002-15
Type: статьи в журналах
Date: 2017
Description: Using 2.93  fb−1 of data taken at 3.773 GeV with the BESIII detector operated at the BEPCII collider, we study the semileptonic decays D+→¯K0e+νe and D+→π0e+νe. We measure the absolute decay branching ... More
Source: Physics Letters B. 2017. Vol. 774. P. 252-257
Type: статьи в журналах
Date: 2017
Description: Using a data set of 2.93 fb−1 taken at a center-of-mass energy s=3.773 GeV with the BESIII detector at the BEPCII collider, we perform a search for an extra U(1) gauge boson, also denoted as a dark ph ... More
Source: Chinese physics C. 2017. Vol. 41, № 1. P. 013001 (1-10)
Type: статьи в журналах
Date: 2017
Description: A measurement of the number of J/ψ events collected with the BESIII detector in 2009 and 2012 is performed using inclusive decays of the J/ψ. The number of J/ψ events taken in 2009 is recalculated to ... More
Source: Physical Review D. 2017. Vol. 96, № 5. P. 051101-1-051101-8
Type: статьи в журналах
Date: 2017
Description: We present first evidence for the process e+e−→γηc(1S) at six center-of-mass energies between 4.01 and 4.60 GeV using data collected by the BESIII experiment operating at BEPCII. We measure the Born c ... More
Source: Physical Review D. 2017. Vol. 95, № 11. P. 111102-1-111102-8
Type: статьи в журналах
Date: 2017
Description: We study the singly Cabibbo suppressed decays Λ+c→pη and Λ+c→pπ0 using Λ+c¯Λ−c pairs produced by e+e− collisions at a center-of-mass energy of √s=4.6 GeV. The data sample was collected by the BESIII d ... More
Source: Physical Review Letters. 2017. Vol. 118, № 9. P. 092002-1-092002-8
Type: статьи в журналах
Date: 2017
Description: The cross sections of e+e−→π+π−hc at center-of-mass energies from 3.896 to 4.600 GeV are measured using data samples collected with the BESIII detector operating at the Beijing Electron Positron Colli ... More
Source: Physical Review D. 2017. Vol. 95, № 9. P. 092004-1-092004-13
Type: статьи в журналах
Date: 2017
Description: Using ð223.7 1.4Þ × 106 J=ψ events accumulated with the BESIII detector, we study ηc decays to ϕϕ and ωϕ final states. The branching fraction of ηc → ϕϕ is measured to be Brðηc → ϕϕÞ ¼ ð2.5 0.3þ0.3 −0 ... More
Source: Physical Review D. 2017. Vol. 96, № 9. P. 092007-1-092007-11
Type: статьи в журналах
Date: 2017
Description: Based on 448.1×106  ψ(3686) events collected with the BESIII detector, the decays ψ(3686)→γχcJ,χcJ→γγ(J=0,1,2) are studied. The decay branching fractions of χc0,2→γγ are measured to be B(χc0→γγ)=(1.93 ... More
Source: Physical Review D. 2017. Vol. 96, № 5. P. 052003--052003-9
Type: статьи в журналах
Date: 2017
Description: Using a data sample of 448×106  ψ(3686) events collected with the BESIII detector operating at the BEPCII storage ring, the decays ψ(3686)→γη and ψ(3686)→γπ0 are observed with a statistical significan ... More
Source: Physics Letters B. 2017. Vol. 774. P. 78-86
Type: статьи в журналах
Date: 2017
Description: Using data samples collected with the BESIII detector at the BEPCII collider at six center-of-mass energies between 4.008 and 4.600 GeV, we observe the processes e+e−→ϕϕω and e+e−→ϕϕϕ. The Born cross ... More
Source: Physical Review D. 2017. Vol. 95, № 7. P. 072004-1-072004-13
Type: статьи в журналах
Date: 2017
Description: Using 106 ×106 ψð3686Þ events collected with the BESIII detector, we measure multipole amplitudes for the decay ψð3686Þ → γχc1;2 → γγJ=ψ beyond the dominant electric-dipole amplitudes. The normalized ... More
Source: Chinese physics C. 2017. Vol. 41, № 11. P. 113001-1-113001-9
Type: статьи в журналах
Date: 2017
Description: To study the nature of the state Y (2175), a dedicated data set of e+e− collision data was collected at the center-of-mass energy of 2.125 GeV with the BESIII detector at the BEPCII collider. By analy ... More
Source: Physics Letters B. 2017. Vol. 767. P. 42-47
Type: статьи в журналах
Date: 2017
Description: We report the first measurement of the absolute branching fraction for View the MathML sourceΛc+→Λμ+νμ. This measurement is based on a sample of e+e−e+e− annihilation data produced at a center-of-mass ... More
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