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Observation of D+ → ρ(770)0μ+v
- Source :
- Physics Letters B, Vol 316, Iss 2, Pp 455-462 (1993)
- Publication Year :
- 1993
- Publisher :
- Elsevier, 1993.
-
Abstract
- We report the first observation of the Cabibo disfavored semileptonic decay mode D+ → ρ(770)0 μ+v and measure its decay rate relative to the Cabibbo favored mode D + → K ∗ (892) 0 μ + v to be Λ(D + → ρ(770) 0 μ + v Λ(D + → K ∗ (892) 0 μ + v) = 0.044 0.031 −0.025 ( stat. ) ± 0.014 ( syst. ) . The results are compared to theoretical predictions and to previous experimental upper limits.
Details
- Language :
- English
- ISSN :
- 03702693
- Volume :
- 316
- Issue :
- 2
- Database :
- OpenAIRE
- Journal :
- Physics Letters B
- Accession number :
- edsair.doi.dedup.....9ead9d695f9a1be4949c8ef4dc76ef05