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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, № 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: 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. 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: 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: 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
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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. 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. 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: Physical Review Letters. 2017. Vol. 118, № 11. P. 112001-1-112001-7
Type: статьи в журналах
Date: 2017
Description:
We report the first direct measurement of decays of the Λ+c baryon involving the neutron. The analysis is performed using 567 pb−1 of e+e− collision data collected at √s=4.599 GeV with the BESIII de
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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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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: 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
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Source: Physical Review D. 2017. Vol. 95, № 5. P. 052003-1-052003-10
Type: статьи в журналах
Date: 2017
Description:
Using 1310.6 × 106 J=ψ and 447.9 × 106 ψð3686Þ events collected with the BESIII detector at the BEPCII eþe− collider, the branching fractions and the angular distributions of J=ψ and ψð3686Þ decays to
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Source: Physical Review D. 2017. Vol. 96, № 5. P. 052003-1-052003-9
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
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