The Final Measurement of Epsilon'/Epsilon from KTeV

2009/10/16 by E. T. Worcester, Worcester, E. T.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #hep-ex

paper · pdf · doi:10.48550/arxiv.0910.3160

10 pages, 19 figures. To be published in the proceedings of DPF-2009, Detroit, MI, July 2009, eConf C090726

arxiv created 2009/10/16 · arxiv updated 2009/12/01

Abstract

We present precise measurements of CP and CPT symmetry based on the full dataset of K to 2pi decays collected by the KTeV experiment at FNAL. We measure the direct CP violation parameter Re(epsilon'/epsilon) = (19.2 pm 2.1)x10-4. We also report the KL-KS mass difference, the KS lifetime, the phase of epsilon, and the phase difference (phi00)-(phi+-). These results are consistent with other experimental results and with CPT symmetry.

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