2021
DOI: 10.1103/physrevd.104.052012
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Cross section measurement of e+eπ+πψ(3686) from

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Cited by 22 publications
(7 citation statements)
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“…Recent XYZ studies at BESIII Will Imoehl 4.23 and 4.36 GeV, and new data samples between 4.6 and 4.7 GeV have been collected. The measured cross sections in the updated data samples are consistent with the 2017 result and include significant 𝑌 (4230) [4.0𝜎], 𝑌 (4390) [16.1𝜎], and 𝑌 (4660) [8.1𝜎] signals [15]. One of the four fit solutions is shown in Figure 1c.…”
Section: Pos(panic2021)183supporting
confidence: 69%
“…Recent XYZ studies at BESIII Will Imoehl 4.23 and 4.36 GeV, and new data samples between 4.6 and 4.7 GeV have been collected. The measured cross sections in the updated data samples are consistent with the 2017 result and include significant 𝑌 (4230) [4.0𝜎], 𝑌 (4390) [16.1𝜎], and 𝑌 (4660) [8.1𝜎] signals [15]. One of the four fit solutions is shown in Figure 1c.…”
Section: Pos(panic2021)183supporting
confidence: 69%
“…The parameters of ψ(4360) are consistent within uncertainties. However, the width of ψ(4230) obtained in this analysis is larger than those obtained in other processes [11,12,16,19]. 4040) parameters (ψ(4040)), the systematic uncertainty in the cross section measurement (Cross section), the parameterization of non-resonant amplitude (Fit model), and the parameterization of Breit-Wigner function (Γtot).…”
Section: Summary and Discussioncontrasting
confidence: 54%
“…With higher statistics achieved by BESIII, they are observed via more processes and measured with improved precision. The ψ(4230) is observed in the e + e − → π + π − J/ψ [10,11], e + e − → π 0 π 0 J/ψ [12], e + e − → K 0 S K 0 S J/ψ [13], e + e − → K + K − J/ψ [14], e + e − → π + π − ψ(3686) [15,16], e + e − → π + π − h c [17], e + e − → ωχ c0 [18,19], and e + e − → π + D 0 D * − [20] processes, and the ψ(4360) is observed in the e + e − → π + π − ψ(3686) [15,16], e + e − → π + π − h c [17], and e + e − → π + π − ψ 2 (3823) [21] processes. The parameters of each of these two resonances, such as their masses and widths, are similar, but there are still differences between these decay modes.…”
Section: Introductionmentioning
confidence: 99%
“…Among them, the Y states show strong coupling to hiddencharm final states, such as the experimentally well established Y (4260) → π + π − J/ψ [4,[11][12][13][14][15] and Y (4360)/Y (4660) → π + π − ψ(3686) [16][17][18][19][20]. This is in contrast to the vector charmonium states in the same energy region.…”
mentioning
confidence: 99%