Hyoeun Cho

ORCID: 0009-0007-6244-0000
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About
Contact & Profiles
Research Areas
  • Particle physics theoretical and experimental studies
  • Particle Accelerators and Free-Electron Lasers
  • Advanced Algebra and Geometry
  • Analytic Number Theory Research
  • High-Energy Particle Collisions Research
  • Meromorphic and Entire Functions

Yonsei University
2024

We have measured the B0B¯0 mixing probability, χd, using a sample of 965 000 BB¯ pairs from Υ(4S) decays. Counting dilepton events, we find χd=0.157±0.016±0.018−0.021+0.028. Using tagged B0 χd=0.149±0.023±0.019±0.010. The first (second) error is statistical (systematic). third reflects ±15% uncertainty in assumption, made both cases, that charged and neutral B contribute equally to events. also obtain limit on CP impurity Bd0 system, ‖Re(εB0)‖<0.045 at 90% C.L.Received 29 April...

10.1103/physrevlett.71.1680 article EN Physical Review Letters 1993-09-13
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