2021
DOI: 10.1103/physrevd.104.092014
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Cross section measurement of e+eKS0KL0 at

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Cited by 15 publications
(6 citation statements)
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“…Attempts have also been made to study channels with simpler topologies, including the processes e + e − → K + K − , where a resonance with a mass of (2239.2 ± 7.1 ± 11.3) MeV/c 2 and a width of (139.8 ± 12.3 ± 20.6) MeV is seen [33]; e + e − → φK + K − [34], where a sharp enhancement is observed in the Born cross section lineshape at a center-of-mass (c.m.) energy of √ s = 2.2324 GeV; e + e − → φη ′ [35], where a resonance with a mass of (2177.5 ± 5.1 ± 18.6) MeV/c 2 and a width of (149.0 ± 15.6 ± 8.9) MeV is seen; e + e − → ωη [38], a resonance with a mass of (2179 ± 21 ± 3) MeV/c 2 and a width of (89 ± 28 ± 5) MeV is observed with a significance of 6.1σ; e + e − → φη [36], a resonant structure is observed with parameters determined to be M = (2163.5 ± 6.2 ± 3.0) MeV/c 2 and Γ = (31.1 +21.1 −11.6 ± 1.1) MeV; and e + e − → K 0 S K 0 L [37], a resonant structure around 2.2 GeV is observed, with a mass and width of 2273.7 ± 5.7 ± 19.3 MeV/c 2 and 86 ± 44 ± 51 MeV respectively. The Breit-Wigner parameters of φ(2170) are not consistent between the different studies, especially concerning the width.…”
Section: Introductionmentioning
confidence: 89%
“…Attempts have also been made to study channels with simpler topologies, including the processes e + e − → K + K − , where a resonance with a mass of (2239.2 ± 7.1 ± 11.3) MeV/c 2 and a width of (139.8 ± 12.3 ± 20.6) MeV is seen [33]; e + e − → φK + K − [34], where a sharp enhancement is observed in the Born cross section lineshape at a center-of-mass (c.m.) energy of √ s = 2.2324 GeV; e + e − → φη ′ [35], where a resonance with a mass of (2177.5 ± 5.1 ± 18.6) MeV/c 2 and a width of (149.0 ± 15.6 ± 8.9) MeV is seen; e + e − → ωη [38], a resonance with a mass of (2179 ± 21 ± 3) MeV/c 2 and a width of (89 ± 28 ± 5) MeV is observed with a significance of 6.1σ; e + e − → φη [36], a resonant structure is observed with parameters determined to be M = (2163.5 ± 6.2 ± 3.0) MeV/c 2 and Γ = (31.1 +21.1 −11.6 ± 1.1) MeV; and e + e − → K 0 S K 0 L [37], a resonant structure around 2.2 GeV is observed, with a mass and width of 2273.7 ± 5.7 ± 19.3 MeV/c 2 and 86 ± 44 ± 51 MeV respectively. The Breit-Wigner parameters of φ(2170) are not consistent between the different studies, especially concerning the width.…”
Section: Introductionmentioning
confidence: 89%
“…6 For e + e − → K + K − , the experimental JHEP07(2023)037 datasets are from SND [39,97,98], BaBar [80], CMD-2 [99], CMD-3 [100], and BESIII [101]. For e + e − → K 0 L K 0 S , the experiment datasets are from SND [35,39], BaBar [41], CMD-2 [102], CMD-3 [40], BESIII [42], OLYA [36] and DM1 [37]. Notice that some of the experimental datasets are given in terms of the dressed cross sections, and some others are of the bare ones.…”
Section: Jhep07(2023)037mentioning
confidence: 99%
“…In the past decade, the measurements by SND in 2016 [40] and BABAR [41] in 2014 supply high statistics cross sections in the φ resonance region and make a precise analysis possible. There is also a recent measurement in the high-energy region of [2.00-3.08] GeV by BESIII [42]. For the last two processes of e + e − → π 0 γ and ηγ, they have not been studied in our approach before, and we take them into the analysis for completeness.…”
Section: Introductionmentioning
confidence: 99%
“…corresponding to about ±3σ around the known π 0 mass [39]. The selected candidate events are used to perform the PWA, while the events in the sideband region [30,60] MeV/c 2 are used to estimate the background contribution. No peaking background is observed in the π 0 signal region.…”
Section: Event Selection and Background Analysismentioning
confidence: 99%
“…With the data samples collected with the BESIII detector at nineteen center-of-mass energies from 2.00 to 3.08 GeV, corresponding to a total integrated luminosity of 647 pb −1 , the Born cross sections of exclusive hadron channels have been measured and excited meson states have been searched for with the processes e + e − → η′(958 30], ϕη [31], ϕη′(958) [32], and ϕK + K − [33]. In this paper, the Born cross sections of the process e + e − → π + π − π 0 and its intermediate processes (through ρπ and ρ(1450)π) are measured with the same data samples.…”
Section: Introductionmentioning
confidence: 99%