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doi:10.1103/physrevlett.124.032002

Cited by 29 publications

(18 citation statements)

References 58 publications

(47 reference statements)

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“…Figure 13 shows the fit to the dressed cross section assuming a Y(4230) or Y(4260) resonance and without a resonance assumption. Additionally, an excited Ξ hyperon at 1820 MeVc 2 is observed by combining data of the 15 energy points in the range from 1.6 to 2.1 GeV/c 2 [32]. The significance is estimated to be more than 6.0σ.…”

Section: The ξ Emffs Above the Open Charm Thresholdmentioning

confidence: 93%

“…In the context of QCD and even our understanding of the quark-gluon structure of hadrons, the study of EMFFs near the hyperon pair production threshold is particularly interesting for probing these anomalous phenomena [22][23][24][25]. Recently, the BESIII collaboration performed measurements of Born cross sections and EFFs for the processes e + e − → Ξ − Ξ+ and Ξ 0 Ξ0 based on a single hyperon tag method [26][27][28][29][30][31][32] using about 360 to 500 pb −1 data events collected at c.m. energies between 2.644 and 3.080 GeV [33,34].…”

Section: The ξ Emffs Near Thresholdmentioning

confidence: 99%

“…These results achieved by the CLEO-c experiment could provide additional information to examine the features of di-quark correlations. Recently, BESIII collaboration also reported the measurements of Born cross sections and EFFs for the e + e − → Ξ − Ξ+ process [32] with a similar method to those described for the analysis of the near threshold [33,34]. The dataset used in this work corresponds to a total of 11.0 fb −1 of e + e − collision data [32] collected at c.m.…”

Section: The ξ Emffs Above the Open Charm Thresholdmentioning

confidence: 99%

“…Recently, BESIII collaboration also reported the measurements of Born cross sections and EFFs for the e + e − → Ξ − Ξ+ process [32] with a similar method to those described for the analysis of the near threshold [33,34]. The dataset used in this work corresponds to a total of 11.0 fb −1 of e + e − collision data [32] collected at c.m. energies from 4.009 to 4.600 GeV with the BESIII detector at the BEPCII collider.…”

Section: The ξ Emffs Above the Open Charm Thresholdmentioning

confidence: 99%

“…energies from 4.009 to 4.600 GeV with the BESIII detector at the BEPCII collider. Figure 12 for all energy points from data from 4.009 to 4.600 GeV [32]. The dashed lines denote the Ξ signal region.…”

Section: The ξ Emffs Above the Open Charm Thresholdmentioning

confidence: 99%

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Electromagnetic Form Factor of Doubly-Strange Hyperon

Wang

Huang²

2022

Symmetry

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The standard model of particle physics is a well-tested theoretical framework, but there are still some issues that deserve experimental and theoretical investigation. The Ξ resonances with strangeness S=−2, the so-called doubly-strange hyperon, can provide important information to further test the standard model by studying their electromagnetic form factors, such as probing the limitation of the quark models and spotting unrevealed aspects of the QCD description of the structure of hadron resonances. In this work, we review some recent studies of the electromagnetic form factors on doubly-strange hyperons in pair production from positron–electron annihilation experiment.

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Section: The ξ Emffs Above the Open Charm Thresholdmentioning

confidence: 93%