Observation of direct-CP violation
Conference
·
OSTI ID:14507
Using a subset of data collected in the 1996-97 fixed target run at Fermilab, the authors report the first preliminary measurement on the direct-CP violation from the KTeV experiment. The result is, e{prime}/e = (28.0-4.1) x 10{sup {minus}4}, nearly 7 standard deviations above zero obtained by a blind analysis. This establishes the long-sought direct-CP violation effect in the two-pion system of neutral kaon decays. The experimental technique, data analysis and systematic checks for this measurement are discussed and the comparison with other measurements is also presented.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 14507
- Report Number(s):
- FERMILAB-Conf-99-310-E; TRN: US0106149
- Resource Relation:
- Conference: OCPA Conference on Recent Advances and Cross-Century Outlooks in Physics, Atlanta, GA (US), 03/18/1999--03/20/1999; Other Information: PBD: 10 Nov 1999
- Country of Publication:
- United States
- Language:
- English
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