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Source: Physical Review D. 2015. Vol. 92, № 7. P. 072012-1-072012 -7
Type: статьи в журналах
Date: 2015
Description:
In an analysis of a 2.92 fb−1 data sample taken at 3.773 GeV with the BESIII detector operated at the BEPCII collider, we measure the absolute decay branching fractions B(D0→K−e+νe)=(3.505±0.014±0.03
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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 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: 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: 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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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: Physical Review D. 2017. Vol. 96, № 1. P. 012001-1-012001-13
Type: статьи в журналах
Date: 2017
Description:
We observe for the first time the process e+e−→ηhc with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy s=4.226 GeV, and the Born cross section i
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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. 2018. Vol. 98, № 7. P. 072003-1-072003-15
Type: статьи в журналах
Date: 2018
Description:
An amplitude analysis of the KSKS system produced in radiative J/ψ decays is performed using the (1310.6±7.0)×106 J/ψ decays collected by the BESIII detector. Two approaches are presented. A mass-dep
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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 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: Physical Review D. 2015. Vol. 91, № 9. P. 092009-1-092009-9
Type: статьи в журналах
Date: 2015
Description:
We report a measurement of the branching fraction for ψ(3770)→γχc1 and search for the transition ψ(3770)→γχc2 based on 2.92 fb−1 of e+e− data accumulated at s√=3.773 GeV with the BESIII detector at
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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
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Source: Physical Review Letters. 2017. Vol. 118, № 22. P. 221802-1-221802-8
Type: статьи в журналах
Date: 2017
Description:
Using 4.479 × 108 ψð3686Þ events collected with the BESIII detector, we search for the decays ψð3686Þ → eþe−χcJ and χcJ → eþe−J=ψ, where J ¼ 0, 1, 2. The decays ψð3686Þ → eþe−χcJ and χcJ → eþe−J=ψ are
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