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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
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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
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Source: Physical Review D. 2015. Vol. 91, № 11. P. 112015-1-112015-10
Type: статьи в журналах
Date: 2015
Description:
Using 2.92 fb−1 of electron-positron annihilation data collected at s√=3.773 GeV with the BESIII detector, we report the results of a search for the flavor-changing neutral current process D0→γγ usi
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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
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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
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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
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Source: Physical Review D. 2015. Vol. 92, № 5. P. 051101-1-051101-8
Type: статьи в журналах
Date: 2015
Description:
Based on a sample of η′ mesons produced in the radiative decay J/ψ→γη′ in 1.31×109 J/ψ events collected with the BESIII detector, the decay η′→ωe+e− is observed for the first time, with a statistical
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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
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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
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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
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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
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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
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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
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Source: Physics Letters B. 2017. Vol. 771. P. 45-51
Type: статьи в журналах
Date: 2017
Description:
Based on e+e− annihilation data samples collected with the BESIII detector at the BEPCII collider at 13 center-of-mass energies from 4.008 to 4.600 GeV, measurements of the Born cross section of e+e−→
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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
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