Abstract
We report the observation of the doubly Cabibbo-suppressed decay D+ → K+π-π+ in data from Fermilab charm hadroproduction experiment E791. With a signal of 59 ± 13 events we measured the ratio of the branching fraction for this mode to that of the Cabibbo-favored decay D+ → K-π+π+ to be B(D+ → K+π-π+) / B(D+ → K-π+π+) = (7.7 ± 1.1 ± 0.8) × 10-3. A Dalitz plot analysis was performed to search for resonant structures.
Original language | English |
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Pages (from-to) | 187-193 |
Number of pages | 7 |
Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
Volume | 404 |
Issue number | 1-2 |
DOIs | |
State | Published - 3 Jul 1997 |