Search for e+e-K+K-ψ(3770) at center-of-mass energies from 4.84 to 4.95 GeV

Collaboration
Apr 18, 2024
10 pages
Published in:
  • Phys.Rev.D 109 (2024) 11, 112019
  • Published: Jun 1, 2024
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Abstract: (APS)
Using e+e- collision data, corresponding to an integrated luminosity of 892pb-1 collected at center-of-mass energies from 4.84 to 4.95 GeV with the BESIII detector, we search for the process e+e-K+K-ψ(3770) by reconstructing two charged kaons and one D meson from ψ(3770). No significant signal of e+e-K+K-ψ(3770) is found and the upper limits of the Born cross sections are reported at 90% confidence level.
  • electron positron: annihilation
  • electron positron: colliding beams
  • K: pair production
  • psi(3770): associated production
  • K: particle identification
  • D: particle identification
  • Beijing Stor
  • BES
  • Born approximation
  • tree approximation