KTeV中ε ′/ε的最终测量
The Final Measurement of Epsilon'/Epsilon from KTeV
摘要:
我们提出了精确的测量CP和CPT对称性的基础上收集的KTeV实验在FNAL的K到2 π衰变的完整数据集。我们测量直接CP破坏参数Re(ε ′/ε)=(19.2 pm 2.1)x10-4。我们还报道了KL-KS的质量差、KS寿命、KL-KS的相位和相位差(φ 00)-(φ +-)。这些结果与其他实验结果和CPT对称性是一致的。
英文摘要:
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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