Measurement of the branching ratio for the doubly cabibbo suppressed decay D+ → + K-K+K+; Medida da razao de ramificacao do Decaimento D+ → + K-K+K+ duplamente suprimido por cabibbo (in Portuguese)
- Brazilian Centre for Physics Research (CBPF), Rio de Janeiro (Brazil).
In this thesis, we performed a study for the decay modes D+ → + K-K+K+ and D+s → + K-K+K+, using the data collected by the E791, a hadroproduction of charm experiment at Fermilab. The D+ → + K-K+K+ decay is doubly Cabibbo suppressed while the D+s → + K-K+K+ decay is singly Cabibbo suppressed. We found 11.6 +- 3.9 events in the D+ mass region and 8.9 +- 3.3 in the D+s mass region. The D+ → + K-K+K+ branching ratio is measured to be (3.7 +- 1.3 +- 0.6) x 10-4 while the D+ → + K-K+K+ branching ratio relative to D+s → + K-K+K+ is measured to be (4.2 +- 1.5 +- 0.6) x 10-2.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 5413
- Report Number(s):
- FERMILAB-Thesis-1997-06; TRN: US0101629
- Country of Publication:
- United States
- Language:
- Portuguese
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