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Search for the decay KL --> pi(0)e+e-.
- Source :
-
Physical review letters [Phys Rev Lett] 2001 Jan 15; Vol. 86 (3), pp. 397-401. - Publication Year :
- 2001
-
Abstract
- We report on a search for the decay KL-->pi(0)e+e- carried out by the KTeV/E799 experiment at Fermilab. This decay is expected to have a significant CP violating contribution and the measurement of its branching ratio could support the Cabibbo-Kobayashi-Maskawa mechanism for CP violation or could point to new physics. Two events were observed in the 1997 data with an expected background of 1.06+/-0.41 events, and we set an upper limit B(KL-->pi(0)e+e-)<5.1 x 10(-10) at the 90% confidence level.
Details
- Language :
- English
- ISSN :
- 0031-9007
- Volume :
- 86
- Issue :
- 3
- Database :
- MEDLINE
- Journal :
- Physical review letters
- Publication Type :
- Academic Journal
- Accession number :
- 11177840
- Full Text :
- https://doi.org/10.1103/PhysRevLett.86.397