Measurement of the Strong Phase Delta (Kaon Pion) Through the Decay of Quantum-Correlated Neutral D-Anti-D Meson Pairs
White, Eric Justin
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https://hdl.handle.net/2142/80587
Description
Title
Measurement of the Strong Phase Delta (Kaon Pion) Through the Decay of Quantum-Correlated Neutral D-Anti-D Meson Pairs
Author(s)
White, Eric Justin
Issue Date
2008
Doctoral Committee Chair(s)
Kevin Pitts
Department of Study
Physics
Discipline
Physics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Physics, Elementary Particles and High Energy
Language
eng
Abstract
We exploit quantum correlations in coherent D 0D0 pairs produced at the psi(3770) resonance to measure the strong phase difference deltaKpi between D0 → K+pi- and D 0 → K-pi+ decays. Using 818 pb-1 of e+e- collisions collected by the CLEO-c detector, we report a measurement of deltaKpi extracted from a Dalitz plot fit of KSpi+pi- in the joint decay D0,D0 → K+/-pi∓, KSpi +pi-. We find a preliminary result of deltaKpi = (32.1 +/- 21.6 +/- 12)°, where the first error is statistical and the second is systematic.
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