Measurement of cross section for e+e- → Ξ- Ξ ¯ + near threshold at BESIII MEASUREMENT of CROSS SECTION for ... M. ABLIKIM et al.

BESIII Collaboration

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Abstract

The Born cross sections and effective form factors for process e+e-→Ξ-Ξ¯+ are measured at eight center-of-mass energies between 2.644 and 3.080 GeV, using a total integrated luminosity of 363.9 pb-1 e+e- collision data collected with the BESIII detector at BEPCII. After performing a fit to the Born cross section of e+e-→Ξ-Ξ¯+, no significant threshold effect is observed.

Original languageEnglish (US)
Article number012005
JournalPhysical Review D
Volume103
Issue number1
DOIs
StatePublished - Jan 8 2021

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