Study of D-0 ->pi(-)1(+)nu(1) decay
2006
In this paper, the D-0 -> pi-1+nu(1) decay process is studied by applying light-cone QCD sum rules. The form factor of D -> pi transition is calculated by choosing a correlation function with a chiral current to eliminate the effect caused by the uncertainty of the twist-3 function of the pion. Therefore the calculated result of the form factor is improved, and the branching ratio of the D-0 -> pi-1+nu(1) decay process is consistent with the now experimental data.
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