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Article
Open AccessPrecise measurements of branching fractions for \( {\mathrm{D}}_{\mathrm{s}}^{+} \) meson decays to two pseudoscalar mesons
We measure the branching fractions for seven D s + \( {D}_s^{+} \) two-body decays to pseudo-scalar mesons, by analyzing data collected at s \( \sqrt{s} \) = 4.178 ∼ 4.226 GeV with the BESIII detector...
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Article
Open AccessMeasurement of the D → K−π+π+π− and D → K−π+π0 coherence factors and average strong-phase differences in quantum-correlated \( D\overline{D} \) decays
The decays D → K−π+π+π− and D → K−π+π0 are studied in a sample of quantum-correlated D ...
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Article
Open AccessSearch for the rare semi-leptonic decay J/ψ → D−e+νe + c.c.
Using 10.1 × 109 J/ψ events produced by the Bei**g Electron Positron Collider (BEPCII) at a center-of-mass energy ...
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Article
Open AccessAmplitude analysis and branching-fraction measurement of \( {D}_s^{+}\to {K}_S^0{\pi}^{+}{\pi}^0 \)
By using 6.32 fb−1 of data collected with the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV, we perform an amplitude analysis of the decay
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Article
Open AccessObservation of e+e− → ηψ(2S) at center-of-mass energies from 4.236 to 4.600 GeV
Using a total of 5.25 fb−1 of e+e− collision data with center-of-mass energies from 4.236 to 4.600 GeV, we report the first observation of the process e+e− → ηψ(2S) with a statistical significance of 4.9 standard...
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Article
Open AccessObservation of the decays χcJ → \( {\mathrm{nK}}_{\mathrm{S}}^0\overline{\Lambda} \) + c.c.
By analyzing 4.48 × 108 ψ(3686) events collected with the BESIII detector, we observe the decays χcJ → ...
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Article
Open AccessMeasurement of branching fractions of J/ψ and ψ(3686) decays to Σ+ and \( \overline{\Sigma} \) −
Using 1310.6 × 106 J/ψ and 448.1 × 106 ψ(3686) events collected with the BESIII detector, the branching fractions of J/ψ decays to Σ+ ...
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Article
Open AccessAmplitude analysis and branching fraction measurement of the decay \( {D}_s^{+} \) → π+π0π0
Using a data set corresponding to an integrated luminosity of 6.32 fb−1 recorded by the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV, an amplitude analysis of the decay
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Article
Open AccessAmplitude analysis and branching-fraction measurement of \( {\mathrm{D}}_{\mathrm{s}}^{+} \) → π+π0η′
Using data collected with the BESIII detector in e+e− collisions at center-of-mass energies between 4.178 and 4.226 GeV and corresponding to 6.32 fb−1 of integrated luminosity, we report the amplitude analysis an...
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Article
Open AccessSearch for the decay hc → π0J/ψ
A search for the decay hc → π0J/ψ is performed using a sample of hc produced in the reaction e+e− → π+π−hc. The data samples were collected with the BESIII detector at center-of-mass energies between 4.189 and 4....
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Article
Open AccessSearch for new hadronic decays of hc and observation of hc → \( p\overline{p}\eta \)
A search for the hadronic decays of the hc meson to the final states p p ...
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Article
Open AccessCross section measurements of the e+e− → D*+D*− and e+e− → D*+D− processes at center-of-mass energies from 4.085 to 4.600 GeV
The Born cross sections of the e+e− → D*+D*− and e+e− → D*+D− processes are measured using e+e− collision data collected with the BESIII experiment at center-of-mass energies from 4.085 to 4.600 GeV, correspondin...
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Article
Open AccessStudy of the processes χcJ → Ξ− \( \overline{\**} \) + and Ξ0 \( \overline{\**} \) 0
Using 448.1 × 106 ψ(3686) decays collected with the BESIII detector at the BEPCII e+e− storage rings, the branching fractions and angular distributions of the decays χcJ → Ξ−
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Article
Open AccessMeasurement of e+e− → K+K−π0 cross section and observation of a resonant structure
Based on e+e− collision data collected by the BESIII detector at the BEPCII collider at center-of-mass energies from 2.000 to 3.080 GeV, a partial-wave analysis is performed for the process e+e− → K+K−π0. The Bor...
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Article
Open AccessAmplitude analysis and branching fraction measurement of \( {D}_s^{+} \) → K−K+π+π+π−
Using e+e− annihilation data corresponding to a total integrated luminosity of 6.32 fb−1 collected at the center-of-mass energies between 4.178 and 4.226 GeV with the BESIII detector, we perform an amplitude anal...
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Article
Open AccessCross section measurements of the processes e+e− → ωπ0 and ωη at center-of-mass energies between 3.773 and 4.701 GeV
The Born cross sections of the processes e+e− → ωπ0 and e+e− → ωη are measured at center-of-mass energies between 3.773 and 4.701 GeV using a total integrated luminosity of 22.7 fb−1 collected with the BESIII det...
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Article
Open AccessAmplitude analysis and branching fraction measurement of the decay \( {D}_s^{+} \) → K+π+π−
Using 6.32 fb−1 of e+e− collision data collected at the center-of-mass energies between 4.178 and 4.226 GeV with the BESIII detector, we perform an amplitude analysis of the decay
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Article
Open AccessObservation of the doubly Cabibbo-suppressed decays D+ → K+π0π0 and D+ → K+π0η
By analyzing e+e− annihilation data corresponding to an integrated luminosity of 2.93 fb−1 collected at the center-of-mass energy of 3.773 GeV with the BESIII detector, we report the first observations of the dou...
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Article
Open AccessAmplitude analysis and branching fraction measurement of the decay \( {\textrm{D}}_{\textrm{s}}^{+} \) → K+π+π−π0
The singly Cabibbo-suppressed decay D s + ...
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Article
Open AccessObservation of the decay ψ(3686) → \( {\Sigma}^{-}{\overline{\Sigma}}^{+} \) and measurement of its angular distribution
Using (448.1 ± 2.9) × 106 ψ(3686) events collected with the BESIII detector at the BEPCII collider, the decay ψ(3686) → ...