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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
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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: Physics Letters B. 2015. Vol. 750. P. 466-474
Type: статьи в журналах
Date: 2015
Description:
We study D+s decays to final states involving the η with a 482 pb−1 data sample collected at √s = 4.009 GeV with the BESIII detector at the BEPCII collider. We measure the branching fractionsB(D+s →η
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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, № 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 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. 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. 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
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Source: Physical Review D. 2017. Vol. 95, № 7. P. 071102-1-071102-8
Type: статьи в журналах
Date: 2017
Description:
Using an electron-positron collision data sample of 2.93 fb−1 collected at a center-of-mass energy of ffiffi s p ¼ 3.773 GeV with the BESIII detector, we present the first search for the radiative lep
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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. 2015. Vol. 91, № 3. P. 031101(R)-1-031101(R)-8
Type: статьи в журналах
Date: 2015
Description:
Using 482 pb−1 of data taken at s√=4.009 GeV, we measure the branching fractions of the decays of D*0 into D0π0 and D0γ to be B(D*0→D0π0)=(65.5±0.8±0.5)% and B(D*0→D0γ)=(34.5±0.8±0.5)%, respectively
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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. 2015. Vol. 744. P. 339-346
Type: статьи в журналах
Date: 2015
Description:
We report a measurement of the parameter yCP in D0–D0 oscillations performed by taking advantage of quantum coherence between pairs of D0D0 mesons produced in e+e− annihilations near threshold. In thi
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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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