Observation of D+ -> rho0(770) mu+ nu
arXiv:hep-ph/9308344 · doi:10.1016/0370-2693(93)90351-H
Abstract
We report the first observation of the Cabibbo disfavored semileptonic decay mode D+ -> rho0(770) mu+ nu, and measure its decay rate relative to the Cabibbo favored mode D+ -> K*0(892) mu+ nu to be Gamma(D+ -> rho0(770) mu+ nu) / Gamma(D+ -> K*0(892) mu+ nu) = 0.044 +0.031 -0.025 (stat.) +/- 0.014 (sys). The results are compared to theoretical predictions and to previous experimental upper limits.
15 pgs., OKHEP-93-09
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