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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. 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. 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: 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: 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
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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. 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. 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. 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. 92, № 7. P. 071101-1-071101-8
Type: статьи в журналах
Date: 2015
Description:
Using 2.92 fb−1 of electron-positron annihilation data collected at a center-of-mass energy of s√=3.773 GeV with the BESIII detector, we present an improved measurement of the branching fraction B(D
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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 Letters. 2016. Vol. 116, № 8. P. 082001-1-082001-7
Type: статьи в журналах
Date: 2016
Description:
Based on 2.93 fb−1 e+e− collision data taken at center-of-mass energy of 3.773 GeV by the BESIII detector, we report searches for the singly Cabibbo-suppressed decays D+→ωπ+ and D0→ωπ0. A double tag
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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. 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. 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
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