Proper-time Resolution Function for Measurement of Time Evolution of B Mesons at the KEK B-Factory
H. Tajima, H. Aihara, T. Higuchi, H. Kawai, T. Nakadaira, J. Tanaka,, T. Tomura, M. Yokoyama, M. Hazumi, Y. Sakai, K. Sumisawa, and T. Kawasaki
TL;DR
This paper develops a detailed proper-time resolution function for B meson measurements at KEKB, enabling precise studies of lifetimes, oscillation frequencies, and CP asymmetries with the Belle detector.
Contribution
It introduces a new proper-time resolution function tailored for B meson analysis at KEKB, improving measurement accuracy.
Findings
Resolution function effectively models B meson time measurements
Accurate lifetime and oscillation parameters obtained
Enhanced sensitivity for CP violation studies
Abstract
The proper-time resolution function for the measurement of the time evolution of B mesons with the Belle detector at KEKB is studied in detail. The obtained resolution function is applied to the measurement of B meson lifetimes, the B0-B0bar oscillation frequency and time-dependent CP asymmetries.
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