Measurement of cross section for e+eΞΞˉ+e^+e^-\to\Xi^-\bar{\Xi}^+ near threshold at BESIII

Collaboration
Oct 16, 2020
9 pages
Published in:
  • Phys.Rev.D 103 (2021) 1, 012005
  • Published: Jan 9, 2021
e-Print:
Experiments:

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Abstract: (APS)
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.
  • Particle Physics Experiments
  • threshold: effect
  • BES
  • Beijing Stor
  • form factor: electromagnetic
  • cross section