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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 Letters. 2015. Vol. 115, № 22. P. 221805 (1-7)-
Type: статьи в журналах
Date: 2015
Description:
We report the first measurement of the absolute branching fraction for Λ+c→Λe+νe. This measurement is based on 567 pb−1 of e+e− annihilation data produced at s√=4.599 GeV, which is just above the Λ+
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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: Chinese physics C. 2015. Vol. 39, № 4. P. 041001-1-041001-9
Type: статьи в журналах
Date: 2015
Description:
Using data samples collected at center-of-mass energies of √s=4.009, 4.230, 4.260, and 4.360 GeV with the BESIII detector operating at the BEPCII collider, we perform a search for the process e+e−→γχc
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Source: Physical Review Letters. 2015. Vol. 115, № 9. P. 091803 (1-7)
Type: статьи в журналах
Date: 2015
Description:
We report an observation of the process J/ψ→γX(1835)→γK0SK0Sη at low K0SK0S mass with a statistical significance larger than 12.9σ using a data sample of 1.31×109 J/ψ events collected with the BESIII
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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: Physical Review D. 2015. Vol. 91, № 11. P. 112018-1-112018-9
Type: статьи в журналах
Date: 2015
Description:
We present the first upper-limit measurement of the branching fractions of the isospin-violating transitions χc0,2→π0ηc. The measurements are performed using 106×106 ψ(3686) events accumulated with th
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Source: Physical Review D. 2015. Vol. 92, № 1. P. 012001-1-012001-11
Type: статьи в журналах
Date: 2015
Description:
We report the first observation of the Dalitz decay η′→γe+e−, based on a data sample of 1.31 billion J/ψ events collected with the BESIII detector. The η′ mesons are produced via the J/ψ→γη′ decay pro
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Source: Physical Review D. 2015. Vol. 91, № 11. P. 112008-1-112008-16
Type: статьи в журналах
Date: 2015
Description:
Using a data sample of 106 million ψ(3686) events collected with the BESIII detector operated at the BEPCII storage ring, we study for the first time the decays χcJ→ϕK0SK±π∓ and χcJ→ϕK+K−π0 in the E1
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Source: Physical Review D. 2015. Vol. 91, № 11. P. 112001-1-112001-7
Type: статьи в журналах
Date: 2015
Description:
Using a sample of 1.31 billion J/ψ events accumulated with the BESIII detector at the BEPCII collider, we report the observation of the decay J/ψ→ϕπ0, which is the first evidence for a doubly Okubo–Zw
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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: 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: Physical Review D. 2015. Vol. 91, № 11. P.112005-1-112005-12
Type: статьи в журналах
Date: 2015
Description:
Using data samples collected with the BESIII detector operating at the BEPCII collider at 17 center-of-mass energies from 3.810 to 4.600 GeV, we perform a study of e+e−→ηJ/ψ and π0J/ψ. The Born cross
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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. 2015. Vol. 92, № 1. P. 012008-1-012008-11
Type: статьи в журналах
Date: 2015
Description:
Using data samples collected at center-of-mass energies of s√=4.009, 4.226, 4.257, 4.358, 4.416, and 4.599 GeV with the BESIII detector operating at the BEPCII storage ring, we search for the isospin
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