Электронная библиотека (репозиторий) Томского государственного университета
BEPCII, коллайдер | Chelkov, G. A.

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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: Physical Review D. 2015. Vol. 92, № 9. P. 092006-1-092006-15
Type: статьи в журналах
Date: 2015
Description: We present a study of the process e+e-→π±(DD¯*)∓ using data samples of 1092  pb-1 at s=4.23  GeV and 826  pb-1 at s=4.26  GeV collected with the BESIII detector at the BEPCII storage ring. With full r ... More
Source: Physics Letters B. 2017. Vol. 765. P. 231-237
Type: статьи в журналах
Date: 2017
Description: By analyzing View the MathML source2.93fb−1 of data taken at the ψ(3770)ψ(3770) resonance peak with the BESIII detector, we measure the branching fractions for the hadronic decays View the MathML sour ... More
Source: Physics Letters B. 2016. Vol. 753. P. 629-638
Type: статьи в журналах
Date: 2016
Description: We extract the e+e−→π+π−e+e−→π+π− cross section in the energy range between 600 and 900 MeV, exploiting the method of initial state radiation. A data set with an integrated luminosity of 2.93 fb−12.93 ... More
Source: Physics Letters B. 2017. Vol. 770. P. 217-225
Type: статьи в журналах
Date: 2017
Description: We study the decays of J/ψ and ψ(3686) to the final states Σ(1385)0Σ¯(1385)0 and Ξ0Ξ¯0 based on a single baryon tag method using data samples of (1310.6±7.0)×106 J/ψ and (447.9±2.9)×106 ψ(3686) events ... 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 Letters. 2015. Vol. 115, № 22. P. 222002 (1-7)
Type: статьи в журналах
Date: 2015
Description: A neutral structure in the DD¯∗ system around the DD¯∗ mass threshold is observed with a statistical significance greater than 10σ in the processes e+e−→D+D*−π0+c.c. and e+e−→D0D¯*0π0+c.c. at s√=4.226 ... 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: 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. 2014. Vol. 90, № 5. P. 052009-1-052009-8
Type: статьи в журналах
Date: 2014
Description: Using 2.25×108J/ψ events collected with the BESIII detector at the BEPCII storage rings, we observe for the first time the process J/ψ→p¯pa0(980), a0(980)→π0η with a significance of 6.5σ (3.2σ includi ... 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. 2015. Vol. 749. P. 414-420
Type: статьи в журналах
Date: 2015
Description: Using the data sets taken at center-of-mass energies above 4 GeV by the BESIII detector at the BEPCII storage ring, we search for the reaction e+e- -> gamma_ISR X(3872) -> gamma_ISR pi+pi-J/psi via th ... 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
Source: Physics Letters B. 2017. Vol. 772. P. 388-393
Type: статьи в журналах
Date: 2017
Description: We report the first observation of the decay Λc+→Σ−π+π+π0, based on data obtained in e+e− annihilations with an integrated luminosity of 567 pb−1 at s=4.6GeV. The data were collected with the BESIII d ... More
Source: Physics Letters B. 2016. Vol. 753. P. 103-109
Type: статьи в журналах
Date: 2016
Description: By analyzing a data set of 2.92 fb−12.92 fb−1 of e+e−e+e− collision data taken at View the MathML sources=3.773 GeV and 106.41×106106.41×106ψ(3686)ψ(3686) decays taken at View the MathML sources=3.686 ... More
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