Abstract
We report the first observation of a number of decay modes of the B meson, namely B0 → D*- (5π)+, B + → D*-(4π)++, and B+ → D̄*0(5π)+, where (nπ) implies the combination of n charged pions. The analysis is based on a 140 fb-1 data sample collected at the Y(4S) resonance with the Belle detector at KEKB: We measure B[B0 → D*-(5π)+] = (4.72 ± 0.59 ± 0.71) × 10-3, B[B+ → D*-(4μ)++] = (2.56 ± 0.26 ± 0.33) × 10-3, and B[B+ → D̄* 0(5π)+] = (5.67 ± 0.91 ± 0.85) × 10-3. We also provide improved measurements of the branching fractions for the decay modes B0 → D*-(3π) +, B+ → D̄*0°(3π) +, and B0 → D̄*0(4π) 0.
Original language | English |
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Article number | 111103 |
Pages (from-to) | 111103-1-111103-5 |
Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
Volume | 70 |
Issue number | 11 |
DOIs | |
State | Published - Dec 2004 |