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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, № 3.P. 032002-1-032002-11
Type: статьи в журналах
Date: 2015
Description:
Using data samples collected at center-of-mass energies s√=4.23, 4.26, and 4.36 GeV with the BESIII detector operating at the BEPCII storage ring, we search for the production of the charmoniumlike st
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Source: Physical Review D. 2015. Vol. 91, № 5. P. 052017-1-052017-11
Type: статьи в журналах
Date: 2015
Description:
Based on a sample of 2.25×108J/ψ events taken with the BESIII detector at the BEPCII collider, we present the results of a study of the decay J/ψ→ηϕπ+π−. The Y(2175) resonance is observed in the invar
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Source: Physical Review D. 2015. Vol. 92, № 1. P. 012007-1-012007-11
Type: статьи в журналах
Date: 2015
Description:
Using a sample of 1.31×109 J/ψ events collected with the BESIII detector at the BEPCII collider, the decays J/ψ→ϕπ+π−π0 and J/ψ→ϕπ0π0π0 are investigated. The isospin-violating decay J/ψ→ϕπ0f0(980) wit
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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. 92, № 3. P. 032009-1-032009-8
Type: статьи в журналах
Date: 2015
Description:
The decay Zc(3900)±→ωπ± is searched for using data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies s√=4.23 and 4.26 GeV. No significant signa
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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, № 1. P. 012014-1-012014-11
Type: статьи в журналах
Date: 2015
Description:
Based on a sample of 1.31×109 J/ψ events collected with the BESIII detector at the BEPCII collider, Dalitz plot analyses of selected 79,625 η→π+π−π0 events, 33,908 η→π0π0π0 events, and 1,888 η′→π0π0π0
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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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Source: Physical Review D. 2015. Vol. 91, № 11. P. 112004-1-112004-12
Type: статьи в журналах
Date: 2015
Description:
Using data samples collected with the BESIII detector at the BEPCII collider, we measure the Born cross section of e+e−→pp¯ at 12 center-of-mass energies from 2232.4 to 3671.0 MeV. The corresponding e
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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, № 9. P. 092006-1-092006-11
Type: статьи в журналах
Date: 2015
Description:
Using a sample of 1.06×108ψ(3686) events produced in e+e− collisions at s√=3.686 GeV and collected with the BESIII detector at the BEPCII collider, we present studies of the decays ψ(3686)→K−ΛΞ¯++c.c
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Source: Physical Review Letters. 2016. Vol. 116, № 25. P. 251802-1-251802-7
Type: статьи в журналах
Date: 2016
Description:
A search for radiative decays of the P-wave spin singlet charmonium resonance hc is performed based on 4.48×108 ψ′ events collected with the BESIII detector operating at the BEPCII storage ring. Event
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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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