Abstract
Using data from the FOCUS (E831) experiment at Fermilab, we present a new measurement of the branching ratio for the Cabibbo-favored decay mode D 0 → K-K-K+π+. From a sample of 143 ± 19 fully reconstructed D0 → K -K-K+π+ events, we measure Γ(D0 → K-K-K+π +)/Γ(D0 → K-π-π +π+) = 0.00257 ± 0.00034(stat.) ± 0.00024(syst.). A coherent amplitude analysis has been performed to determine the resonant substructure of this decay mode. This analysis reveals a dominant contribution from φ and Kο*0(892) states.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 190-197 |
| Number of pages | 8 |
| Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
| Volume | 575 |
| Issue number | 3-4 |
| DOIs | |
| State | Published - Nov 27 2003 |
ASJC Scopus subject areas
- Nuclear and High Energy Physics
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