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Source: Physics Letters B. 2017. Vol. 765. P. 231-237
Type: статьи в журналах
Date: 2017
Description:
By analyzing View the MathML source2.93fb−1 of data taken at the ψ(3770)ψ(3770) resonance peak with the BESIII detector, we measure the branching fractions for the hadronic decays View the MathML sour
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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: Physics Letters B. 2017. Vol. 772. P. 388-393
Type: статьи в журналах
Date: 2017
Description:
We report the first observation of the decay Λc+→Σ−π+π+π0, based on data obtained in e+e− annihilations with an integrated luminosity of 567 pb−1 at s=4.6GeV. The data were collected with 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 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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Source: Physical Review Letters. 2017. Vol. 118, № 9. P. 092001-1-092001-8
Type: статьи в журналах
Date: 2017
Description:
The cross section for the process e+e−→π+π−J/ψ is measured precisely at center-of-mass energies from 3.77 to 4.60 GeV using 9 fb−1 of data collected with the BESIII detector operating at the BEPCII s
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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: 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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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. 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, № 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: 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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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: 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 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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